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RESOURCE LIBRARY

Acoustic Suspension Subwoofer Enclosures Explained

Acoustic SuspensionEnclosure, box or cabinet: Whatever you want to call them, where you install your speaker or subwoofer is critically important to their resulting performance. In this article, we focus on the simplest and most forgiving of enclosures to design and construct – the acoustic suspension or sealed enclosure.

The Laws of Physics

There are a few characteristics to keep in mind about every speaker. The first is that as frequency decreases, cone excursion increases. In fact, to produce the same acoustic output, a speaker must move four times as far for every halving of frequency. As an example, if your subwoofer were moving 1 mm at 80 Hz, it would have to move 4 mm to produce the same output at 40 Hz. To produce the same output at 20 Hz, it would have to move 16 mm.

Acoustic SuspensionA speaker includes an element called a spider. The spider stores energy when the voice coil of a speaker moves the cone forward or rearward from its resting position. When the cone reaches the end of its travel and comes to a stop, the stored potential energy in the spider wants to be released. This stored energy pulls the cone in the opposite direction. Each transfer of energy includes some losses, and eventually, the cone comes to rest.

Think of the cone motion like a swing at the park. You exert a force on the swing to get it started, and it continues to swing back and forth with a decreasing amplitude until it comes to a stop. Thankfully, a speaker stops moving a lot faster than the swing at the park.

In a speaker, this transfer of energy from the cone to the spider and back is most efficient at a specific frequency. We call this the resonant frequency of the speaker. At the resonant frequency, there is a dramatic increase in impedance because the spider stores a great deal of energy. This energy storage causes the cone to want to continue to move. The movement of the voice coil moving through the magnetic field generates a voltage. This voltage generates a flow of current in the opposite direction to the current flowing from the amp. We represent this opposition to current flow as an increase in impedance.

Acoustic Suspension
This graph shows the impedance rise around the resonant frequency of a 12-inch subwoofer in enclosures with a Qtc of 0.85, 1.0, 1.1 or 1.25.

We also have to consider that every speaker is limited in how far the cone can move. Once we exceed the excursion limitations of the speaker, bad things happen. The voice coil former can hit the back plate. The suspension components may be compromised and start to fail. As a by-product of the cone, dust cap, surround, spider and motor geometry, harmonic distortion also increases as excursion increases.

Our goal in designing any audio system should be to keep distortion as low as possible. Most of the distortion at low frequencies is resonance. These resonances decrease as we move above the resonant frequency of the speaker. The spider and the changing motor force, as the coil moves past the edge of the gap, are the biggest contributors to distortion.

Why Do We Need an Enclosure?

Let’s consider a few additional characteristics. The low-frequency roll-off of a speaker is a high-pass filter. The spider in the speaker is like a capacitor—a spring stores energy and so does a capacitor. The air inside the box is also a spring, and it is in parallel with the spider. The air spring and the spider work together at the same time to do the same thing. The combination of the air spring and the spider increases the high-pass filter frequency. Yes: Contrary to our efforts to produce as much low-frequency information as possible, an enclosure limits low-frequency reproduction.

If that is the case, why do we want to limit cone motion? Consider what we’ve said about how much excursion is required to reproduce low frequencies and about distortion. Limiting low-frequency output from our speaker is not an ideal goal, but limiting some of the really low frequencies to get the right amount of bass at higher frequencies is worthwhile.

Acoustic Suspension
This graph shows the increase in energy output as the Q-factor of the enclosure for this 12-inch subwoofer increases. The volume of the enclosure decreases and the Q-factor increases.

There is a benefit to increasing the resonant frequency of the speaker and enclosure system. Let us say we have a subwoofer with a Q of 0.5 and it is our goal to have a total system Q of 0.707. We choose an enclosure air volume that increases the Q, which then increases the system output at the new resonant frequency. Yes, we sacrifice output at lower frequencies, but we gain output around the new system resonant frequency.

I Want More Bass!

Acoustic Suspension
The King of the Hill is the 15″ subwoofer.

Modern speaker designs continue to reduce distortion through computer simulation and modeling of material behavior. Qualified and properly equipped speaker designers can simulate spider, cone and surround behavior to analyze individual resonance and distortion behaviors. They also can model the interaction between the voice coil and the motor structure to predict changes in magnetic field strength and inductance that can further affect how a speaker will sound at moderate to high excursion levels.

These advancements have resulted in speakers that produce less distortion at higher excursion levels. This improvement in performance allows enclosure designers to build speaker systems that will play lower and louder.

Some basic principles govern low-frequency sound reproduction. Cone area is critical. An old article published by the Audio Engineering Society called “The Problem with Low-Frequency Reproduction,” by Saul J. White, included a graph that compared cone excursion vs. frequency vs. system output for a 12- and 15-inch loudspeaker. In the chart, it shows that a 15-inch driver cone only has to move half as much as a 12-inch driver to produce the same output.

To produce sound, we need to displace air. Displacement is calculated by the product of speaker cone area times the distance the cone can travel. In other words, bore times stroke. For the same displacement, more bore requires less stroke.

What is the punch line? If you want it louder, buy more speakers or subwoofers.

Driver Behavior in an Enclosure

The increase in the system Q caused by the addition of air stiffness in the enclosure can cause distortion if the Q is increased excessively. This increase in Q works against our desire for a low-distortion system. Making the enclosure too small increases the Q too much, and we wind up with a system that produces a great deal of output in a narrow frequency range. These undersized enclosures are often referred to as a “one-note-wonders.”

What causes this behavior? The one-note quality is a result of the increased energy storage and transference in the resonant system. The bass just keeps going and going – like our swing at the park.

Power Handling

In an acoustic suspension enclosure, cone excursion increases as frequency decreases. This increase in excursion continues down to the frequency at which the force of the spider and the box exceeds the force of the motor. At that point, the excursion level is limited, and we will not see the increase in excursion . The result: We protect the speaker from physical damage due to cone excursion beyond the design characteristics of the speaker.

Predicting the limits of cone excursion relative to frequency and power is relatively simple for a sealed enclosure. The volume of the enclosure is inversely proportional to the amount of power the speaker can handle when perceived from the standpoint of excursion. A small enclosure limits cone excursion a great deal at very low frequencies, but the system does not produce a lot of deep bass. A large enclosure allows the speaker to move further and produce more low-frequency output, but we cannot drive the speaker with as much power for fear of damaging it.

Acoustic SuspensionAs we increase the volume of the subwoofer enclosure, the air inside has less “spring effect” on the subwoofer’s motion. This graph shows the increase in driver excursion as air volume increases in four different enclosures.

Acoustic Suspension Overview

An acoustic suspension speaker enclosure reduces bass output at a rate of -12 dB per octave below the resonant frequency. When you combine this roll-off with the cabin gain associated with most vehicles, you can get excellent and linear low-frequency extension well into the infrasonic region. Acoustic suspension enclosures are easy to calculate and to construct. They are very forgiving of minor errors in volume calculation.

Finally, it is worth remembering that acoustic suspension enclosures are not the lowest-distortion enclosure designs available.

When it comes time to design a subwoofer enclosure for your car or truck, visit your local mobile electronics retailer and discuss your requirements. They can help you choose a subwoofer and enclosure design that will give you a solid foundation on which to build your audio system.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, RESOURCE LIBRARY

The Importance of Proper Cables and Wiring

WiringInstalling mobile electronics systems is not as easy as it used to be. In the “good old days,” cars were made from thick metal and didn’t have many electrical components. Modern vehicle construction makes use of the thinnest, lightest materials possible. These body panels are held together with non-conductive adhesives, and it seems that every square inch of our cars and trucks are packed with computers, sensors and modules. Even a task as simple as wiring an amplifier can become quite complex.

In this Best Car Audio article, we look at the importance of proper wiring techniques and materials, and the effect they have on the performance of an aftermarket audio system upgrade.

Power Delivery

WiringThis article is about installing a five-channel amplifier in a vehicle with a factory head unit. There are two important tasks when it comes to installing an amp: getting a signal to it and getting power to it. For an amplifier to produce power, you need to feed it power. The primary source of power in our vehicles is the alternator, followed by the battery. Most people focus on running a large conductor from the positive terminal of the battery to the positive terminal of the amplifier. While this is important, where and how the amplifier is grounded is equally important.

Quality installers will know the best locations on a vehicle to make a ground connection. They will know how to handle a vehicle with an aluminum or composite chassis. They will know how to recognize vehicles that are assembled with adhesives instead of spot welds. If you are installing a large amplifier, they will know how to upgrade the factory wiring under the hood to handle the extra current draw.

Wiring
It is best practice to install the fuse as close to the battery as possible.

Protecting your vehicle is a part of installing power wire. In the unlikely event you get into an accident or something bad happens to your amplifier, the wiring and the equipment installed in your vehicle need protection in the form of a fuse. A good installer will install a fuse as close as possible to each source of power for the system. In most installations, this is near the main battery.

Some systems have secondary batteries and require additional fuses for proper protection. If you have the choice, a fuse provides better protection device than a circuit breaker. Fuses offer more surface area for power conduction. Also, there is absolutely no chance that a properly installed fuse could fail in a condition that may allow current to continue to pass.

Signal Integration

The audio systems in modern vehicles are becoming increasingly complex. Manufacturers (JBL, Infinity and Lexicon) are turning to suppliers like Bose and Harman for increasingly complex audio systems. Each of these companies employs highly trained engineers who spend months tuning each new system.

Wiring
Technicians use an RTA to gain a visual representation of audio signals.

Trying to source an audio signal that will work with aftermarket equipment is becoming increasingly difficult at the same time. A properly trained installer will have the knowledge and experience to measure the signals in the factory system to determine if they can be used as is. If the signals are not acceptable in level, frequency response or bandwidth, your installer can recommend the correct component to correct them.

Your installer will also know to test each signal source across multiple functions. Ensuring that factory Bluetooth, navigation prompts and parking sensor warnings continue to work as intended is important to you being able to enjoy your upgraded audio system.

Noise Prevention

Wiring
Proper wire routing can help reduce the chance of radiated noise.

Dealing with factory computers, sensors, data networks and other high-current components can cause interference with the delicate low-level audio signals we send to our amplifiers. If you are not using good-quality interconnects that offer a twisted-pair design and appropriate shielding, you leave yourself open to picking up all sorts of strange noises. Likewise, choosing the right equipment is critical. You want to ensure that each component in the signal path has differential inputs to reject any noise that might be imposed on your interconnects, or the speaker wires running to the input of your amplifier.

The amplified signal coming from your amp is still subject to noise. Passive crossover networks can be notorious for picking up electromagnetic noise. Where your installer places the passive networks is quite important. An experienced installer knows what to avoid for your system to sound great and be noise-free.

Choice of Wiring Materials

Wiring
OFC wire is often tinned to help reduce surface oxidation.

There are two options for power and speaker wire – CCA and what most refer to as OFC. CCA stands for Copper Clad Aluminum. CCA typically is an inexpensive wire that is part aluminum and part copper. Aluminum costs less than copper, but it also does not conduct as well. You will usually see CCA wiring labeled with Gauge or GA when referencing its size. It is also worth noting that, unless the wiring you have chosen says AWG on it, there is no standard for the size of the conductor within the jacket.

Combine that with not knowing the ratio of copper to aluminum, and you run the risk of starving your amplifier for power. We have seen CCA 4 gauge wires that present almost four times the resistance as a proper 4 AWG conductor.

OFC stands for Oxygen-Free Copper. The term OFC has become the accepted slang term for all copper wiring. Properly sized copper wiring (using the AWG standard) offers the best possible power delivery to your amplifier.

Working on modern vehicles has its challenges, but those challenges come with rewards regarding background noise levels, convenience and features. Trust the installation of your audio equipment to qualified professionals. They have the experience to get the job done right the first time. Visit your local mobile electronics retailer to find out more.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, RESOURCE LIBRARY

Product Spotlight: Drone XC-LTE Dash Cam

Drone XC-LTE

If you’re a regular visitor to BestCarAudio.com, you should be familiar with dash cams and smartphone-based remote vehicle control solutions like Drone. Imagine combining the features of both units into one product and then adding live video streaming capabilities! The new Drone XC-LTE 2K QHD dash cam with LTE, GPS and Wi-Fi does precisely that. Let’s check it out!

What Is the Drone XC-LTE Dash Cam?

There are a lot of features and design elements to unpack with the Drone XC-LTE. The unit has a footprint of 4.2 by 2.8 inches with a thickness of 1.5 inches. A vertical mounting orientation on the windshield minimizes obstruction.

Drone XC-LTE
The XC-LTE mounts vertically on the windshield to stay out of your line of sight.

The XC-LTE uses a Sony STARVIS image sensor for excellent contrast and low-light performance. The sensor is mated to a wide 154-degree lens to allow recording well off to the sides of the vehicle. The camera records at a 2K Quad HD resolution of 2560 by 1440 pixels at 30 frames per second. A built-in Wi-Fi transceiver lets you download stored videos to your smartphone.

Firstech includes a high-quality 64 GB microSD memory card to ensure reliable recording. Upgrading to a 128 or 256 GB memory card allows the system to store more data. The system also accepts a secondary camera input signal. Your installer can add the XC-RC100 rear-facing or the XC-IR100 infrared interior cameras. The interior camera is very popular with taxi, Uber and Lyft operators. The parking mode feature allows it to monitor the visible area continuously and then record when something or someone enters its field of vision.

Drone XC-LTE
The optional XC-RC100 rear-facing camera allows the Drone XC-LTE to capture video of what happens behind your vehicle.

What makes this dash cam unique is the ability to view live video on the DroneMobile app on your smartphone using an LTE cellular data connection. You can see exactly what the camera sees on your phone. The system uses an LTE data connection to transmit video. As long as your phone can access the cellular data network, it doesn’t matter where it’s parked or driving. Remote live-viewing capability is a feature people have been requesting for years.

Drone XC-LTE
The DroneMobile app provides access to a live video feed from your Drone XC-LTE dash cam.

Regarding live-feed details, the video stream has a resolution of 960 by 540 pixels. Depending on your chosen service package, you get 1 or 2 GB of cloud storage for important videos you tag via the DroneMobile app.

Drone Vehicle Control

While the excitement of the remote video viewing is the highlight of the Drone XC-LTE, it’s crucial to remember that this is still a Drone vehicle control interface. When paired with a compatible control module from Compustar, Arctic Start, FTX or NuStart, you can use the DroneMobile app on your phone to lock and unlock your vehicle or start the engine. You can even pop the trunk or open a sliding door or motorized hatch in many applications.

Drone XC-LTE
The updated DroneMobile app retains lock, unlock, remote start and auxiliary control features.

The Drone XC-LTE acts like the DAS-II sensor to detect impact, tilt, motion and glass breakage. Any of these triggers will instantly send a notification to your smartphone. You can use the LTE streaming feature of the dash cam to look around your vehicle to find out what’s going on. The DroneMobile app also allows you to trigger the Panic feature to scare away would-be thieves or the neighbor’s cat.

Drone XC-LTE
The Drone system pushes security alerts to your smartphone so you’ll know immediately when someone is tampering with your vehicle.

The system also functions as a vehicle-locating or -tracking solution with one of the GPS-enabled Drone service plans. You can configure speed-based warnings to monitor vehicle operation. Location-based notifications, often called geofencing, are also available. These warnings tell you when the vehicle enters or exits a specific area or location.

Drone XC-LTE
The Drone’s GPS receiver provides location and speed-based warnings on your smartphone.

See Why Your Car Alarm Triggered

Most of us are familiar with hearing car alarm sirens, getting a security alert from a two-way remote key fob or perhaps seeing an alarm notification on our smartphones. We all want to know what is happening in and around the vehicle. With the new XC-LTE, you can open the DroneMobile app and see what the cameras see in real time. There’s no need to leave the house or your office. You could be on vacation in the Caribbean and check on your car or truck from the pool while sipping a mojito or enjoying a beer.

The XC-LTE is ideal for commercial equipment left on a job site or in a company-owned service or delivery vehicle. The XC-LTE is a perfect solution if you rent your car or truck on Turo or Getaround and want to see where and how the renter uses your vehicle.

The Best Vehicle Monitoring and Control Solution

The Drone XC-LTE is the first aftermarket dash cam solution with live view capabilities that can integrate with a car alarm or remote start system to provide vehicle control and monitoring. You can also use the system as a stand-alone dash cam with remote live viewing. Your local Compustar retailer can explain the remote control and live-view service plans and the features they offer. To find an authorized Drone retailer near you, use the locator tool on their website. For more information about Drone solutions, visit their YouTube channel, Facebook page or Instagram. Check back frequently, as a full Test Drive Review of the Drone XC-LTE is coming soon.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Driver Safety, Products, RESOURCE LIBRARY, Vehicle Security Tagged With: Arctic Start, Compustar, DAS-II Sensor, Dash Cameras, DroneMobile, Firstech LLC, FTX, Getaround, LTE, Lyft, NuStart, Sony, Turo, Uber

Product Spotlight: Rockford Fosgate Polaris Ranger Roof Audio Systems

Polaris Ranger Audio

Polaris Rangers are among the most popular side-by-sides for work applications. Rockford Fosgate, a leader in motorsports audio systems, has just introduced three stunning roof-mount audio solutions that will transform these vehicles into a concert on wheels. All three options include speakers and amplification in custom enclosures. Let’s check them out!

Rockford Fosgate Polaris Ranger Audio Systems

Let’s start by looking at the Rockford Fosgate RNGR18-ROOF2M2. This audio system upgrade includes a replacement roof panel for 2018 and newer XP1000 full-size (three-seat) models. The new roof panel works with the tip-out windshield and Northstar Edition versions with power windows.

Polaris Ranger Audio
The RNGR18-ROOF2M2 includes a 1,500-watt amplifier, four speakers and a PMX-3 multimedia receiver.

The new roof panel features four M2-8B 8-inch speakers, an M5-1500X5 1,500-watt five-channel amplifier, and the brand new 2.7-inch PMX-3 multimedia receiver. All the equipment comes pre-installed and wired, so your installer need only mount the roof using the provided hardware and run the included power wiring to the battery.

The roof also includes six rocker switches. These switches control the sound system, activate a backup camera or even provide power to an optional 30- to 40-inch LED light bar. There’s a plug outside the roof for the light bar.

Polaris Ranger Audio
Six integrated switches flank the new PMX-3 multimedia receiver to control various functions and options.
Polaris Ranger Audio
You can upgrade your Roof Audio system with a 30- to 40-inch light bar, and all the wiring is ready.

Because the kit includes one of the fantastic M5-1500X5 five-channel amplifiers, it’s ready for upgrades. You can add the RNGR18-FWE under-seat enclosure and an M2D2-10IB subwoofer. The roof also features an integrated LED dome light and connections for power windows.

Polaris Ranger Audio
The RNGRG18-FWE subwoofer enclosure and M2D2-10IB subwoofer can be powered by the M5-1500X5 amp in the RNGR18-ROOF2M2.

If you want to take the party everywhere, add the optional RNGR18-CAPM2 rear audio speaker cap. This external speaker pod replaces the blank pod that came with the RNGR18-ROOF2M2 kit and adds four M2-8HB horn-load M2-series 8-inch speakers and an M5-800X4 four-channel amplifier. All the power and audio connections plug into the RNGR18-ROOF2M2.

Polaris Ranger Audio
The RNGR18-CAPM2 upgrades your roof speaker panel to ensure that everyone on the trail or at the campsite can enjoy great sound.

The RNGR18-CAPM2 has a few other tricks up its sleeve. The switch in the RNGR18-ROOF2M2 controls two LED work lights. The rear cap also has a backup camera called the MX-CAM. One of the rocker switches activates the camera, so the image appears on the PMX-3.

Polaris Ranger Audio
The new Rockford Fosgate MX-CAM comes pre-installed and pre-wired with the RNGR18-CAPM2 speaker cap.

Four-door Polaris Ranger Subwoofer Upgrade

If you have a four-door, six-seat Ranger, the RNGR18-ROOF4M2 roof speaker system was designed just for you. This kit starts with the RNGR-ROOFM2 and adds a rear roof panel with four additional 8-inch M2-series M2-8H coaxial drivers and two 10-inch M2D2-10IB M2-Series subwoofers in a ported enclosure. There are power provisions for rear doors with power windows and an additional integrated LED rear dome light. You can upgrade the RNGR18-ROOF4M2 with the optional RNGRG18-CAPM2 if you want more sound. The under-seat subwoofer upgrade is also compatible with the four-door system.

√ Image: Rockford Fosgate RNGR18-ROOF4M2 Front.png

Image Caption: The RNGR18-ROOF4M2 adds a second panel with four more speakers and two subwoofers to the RNGR18-ROOF2M2 front roof upgrade.

Killer Sound and Amazing Looks

The new PMX-3 multimedia receiver can play all your favorite tunes from your smartphone or tune into your favorite genre-specific entertainment with an optional SiriusXM satellite radio tuner. When the MX-CAM is connected, you can see everything behind your side-by-side with the flick of a switch.

The M2 speakers and subwoofers in the Ranger Roof Audio systems all have integrated Color Optix LED lighting. The PMX-RGB Bluetooth lighting controller is built into the RNGR18-ROOF2M2 enclosure. Just download the RF Connect app on your Android or Apple smartphone, pair it, and you have complete control over the color of your new Rockford Fosgate speakers.

Rockford Fosgate knows you bought your Ranger to work and play, so all the new Roof Audio systems, the speakers and the electronics, feature their Element Ready products that are water-, dust-, dirt- and UV-resistant. Rip, jump or bash it – your Rockford Fosgate Ranger Audio system upgrades can take the abuse!

Upgrade Your Polaris Ranger XP1000 with Rockford Fosgate Today!

Rockford Fosgate knows you love your music, and the new Roof Audio systems for the Polaris Ranger will make sure every note and word is crystal clear, even with the throttle mashed to the floor. Visit a local authorized Rockford Fosgate retailer today to order a system for your Ranger side-by-side. You can find a shop using the dealer locator on the website. To learn more about the new Roof Audio systems, check out the Rockford Fosgate YouTube Channel (https://www.youtube.com/user/rockfordfosgate), their Facebook page or Instagram feed.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

  • Elite Car Customs

Filed Under: ARTICLES, Lighting, Marine Audio, Products, RESOURCE LIBRARY Tagged With: Amplifiers, LED Lighting, Polaris, Powered Subwoofers, Radios, Ranger, Rockford Fosgate, Roof Audio, Speakers, Subwoofers

Product Spotlight: Rockford Fosgate PMX-HD14

Rockford Fosgate PMX-HD14

Rockford Fosgate, a brand synonymous with Harley-Davidson amplifier, speaker and subwoofer upgrades, has just introduced its PMX-HD14 multimedia infotainment system. If you have a 2014 and newer Street Glide or Ultra, or 2015 and newer Road Glide, this might be the perfect way to make your entire stereo system sound better. Best of all, it’s got a unique trick up its sleeve. Let’s check it out.

Rockford Fosgate PMX-HD14
The new Rockford Fosgate PMX-HD14 is the ultimate audio upgrade for your Harley-Davidson touring motorcycle.

Features of the Rockford Fosgate PMX-HD14 Radio

The PMX-HD14 is Rockford Fosgate’s second foray into the multimedia receiver market for Harley-Davidson. The radio is a direct drop-in upgrade for many of H-D’s touring bikes. This plug-and-play design works with the existing power and speaker wiring. It also features a 7-inch touchscreen that works even if the rider is wearing gloves. The screen and the trim around it are Element Ready, the term Rockford Fosgate gives to products that are sealed to keep out water and dust and can handle prolonged UV exposure and all the vibrations from applications like a big V-twin motorcycle.

In terms of the interface, there are four fixed buttons adjacent to the screen for Home, Settings, Information and Power control. A short press on the information button in the top right increases the radio volume, and a short press on the power button below it lowers the volume. Pressing and holding the information button brings up an odometer and distance-since-last-service display.

Rockford Fosgate is on top of the integration situation with the PMX-HD14. The radio is compatible with the factory-installed handlebar audio controls without the need for any additional parts. It works with wireless headsets and the OEM CB system when the WHIM and CB modules are present. And there’s no need to reflash the bike to maximize the radio’s performance. These features make the radio ideal for those who don’t want permanent modifications on their motorcycle.

Harley-Davidson Multimedia Radio Audio Sources

Of course, the PMX-HD14 has an AM/FM and Weather Band receiver, so you can tune in to your favorite local radio stations. An optional SXV300 tuner module will give you access to SiriusXM satellite radio for uninterrupted genre-specific programming from coast to coast. You can also play MP3, WMA or FLAC digital audio files from a USB memory stick. A Bluetooth receiver allows you to play music stored on a portable media player or stream audio from your smartphone.

The PMX-HD14 also includes Apple CarPlay. Connect your Apple iPhone and you can easily access entertainment, communication and navigational information. You can make phone calls or send text messages without taking your eyes off the road. If you’re on a cross-state or cross-country adventure, access to Apple Maps, Google Maps and Waze will help you reach your destination efficiently and safely. Of course, dedicated CarPlay streaming apps like Pandora, IHeartRadio, Pandora or Spotify make listening to almost anything you want quick and easy.

Rockford Fosgate PMX-HD14
Large menu icons and handlebar control integration make the PMX-HD14 intuitive and safe to operate.

Take Your Party on the Road

Rockford Fosgate knows that an essential part of owning a Harley-Davidson motorcycle is the lifestyle and brotherhood with fellow riders. That awareness led them to create a feature called Street Party Mode. If your friends have a PMX-HD14 on their bikes, you can share whatever music you’re playing. They can connect their radios to yours using a proprietary Bluetooth 5.0 solution. The crew can enjoy the same music while cruising or hanging out.

Amazing Audio and Processing Features

The PMX-HD14 includes a built-in amplifier that can deliver 25 watts of clean power to four 4-ohm speakers or 50 watts to four 2-ohm speakers. The radio has six preamp outputs that provide up to 4 volts RMS to your amplifiers. A built-in 14-band graphic equalizer allows you or your installer to fine-tune the sound to your listening preferences. Rockford Fosgate invested a lot of time developing this radio, with innovations like audio presets – called Optimized Tunes – for the different Rockford Fosgate amplifier, speaker and subwoofer upgrade solutions available for your bike.

Rockford Fosgate PMX-HD14
Rockford Fosgate audio upgrade kits’ preset settings ensure maximum performance with minimal configuration time.

Transform Your Motorcycle Adventure with Rockford Fosgate

If high-quality sound, reliability and an easy-to-use interface are on your radio shopping list, drop by a local authorized Rockford Fosgate retailer and check out the Rockford Fosgate PMX-HD14. With a very detailed compatibility list on the product website, you can instantly see whether the radio is suitable for your touring bike. Follow Rockford Fosgate on Facebook and Instagram to keep up with their latest releases. Of course, their YouTube Channel has some of the coolest and most informative videos in the mobile audio industry.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Elite Car Customs

1176 Park Rd
Unit A10,
Reading, PA 19605
United States (US)
Phone: 484-671-2343
Email: info@elitecarcustoms.com

Filed Under: ARTICLES, Car Audio, Products, RESOURCE LIBRARY Tagged With: Rockford Fosgate

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