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Product Spotlight: Rockford Fosgate P3D4-12 Car Audio Subwoofer

Rockford Subwoofer

If you’ve been into car audio for as long as I have, you’ve likely had a memorable experience with a Rockford Fosgate subwoofer. I vividly remember being in one of the Korbon Trading (the Canadian distributor of Rockford Fosgate in the ’80s) Blastro vans. This GMC Safari had four 18-inch Punch subwoofers powered by a pair of Power 1000 amplifiers. It was the first time a car audio system left me breathless. Fast-forward 33 years and Rockford Fosgate is still a leader in developing car audio subwoofer solutions that get loud and sound amazing. Let’s take a close look at the flagship of the Punch Series 12-inch drivers – the P3D4-12.

Rockford Fosgate Punch P3D4-12 Features

The P3D4-12 is a dual voice coil subwoofer constructed with each coil having an impedance of 4 ohms. The sub is available in a dual 2-ohm model called the P3D2-12. Both are based around a custom-tooled four-spoke hybrid stamp-cast aluminum basket. The main vertical supports and the mounting lip are stamped. There is a cast cooling insert at the base of the basket around the voice coil. Underneath the basket is a 96-ounce double-stacked ceramic magnet assembly that is concealed with a protective PVC rubber cover. The bumped T-yoke is visible through the bottom of the cover, exposing the vented pole piece and eight additional small cooling vents under the voice coil former. These extra vents also allow air pressure to be released from inside the motor as the driver moves rearward, thereby improving linearity and reducing distortion at high excursion levels.

Up top, the additional cooling and ventilation are provided by vents below each window in the basket. These allow hot air to escape from under the spider, helping to keep the motor assembly cool and reduce power compression. All the cooling features combine to ensure that these subwoofers continue to sound great without losing efficiency, even after hours of play time.

With Rockford Fosgate’s FlexFit basket, instead of eight fixed holes in the mounting lip for fasteners, eight slots allow your installer to align the subwoofer perfectly in the enclosure. An aluminum ring is included to finish off the installation and conceal the mounting hardware for a classy and tidy look.

Rockford Subwoofer
The heavy-duty hybrid stamp-cast aluminum basket ensures a solid foundation for this impressive subwoofer.

Voice Coil and Moving Part Features

The cone of the P3D4-12 is made from aluminum, as is the inverted dust cap. Both have an anodized finish, and Rockford Fosgate is screened on the cone. At the top of the cone is a Santoprene rubber surround that is attached to the basket with Rockford Fosgate’s VAST design. In essence, VAST moves the surround closer to the outer edge of the basket and increases the effective cone area of the driver.

Rockford Subwoofer
An aluminum trim ring conceals the FlexFit mounting hardware for a clean and tidy appearance.

At the base of the cone are a pair of tear- and fatigue-resistant linear poly-cotton spiders mounted face-to-face to reduce nonlinearities. Four 16-AWG tinsel leads are sewn into the spiders to ensure that they won’t make noise at high excursion levels. The 2.5-inch voice coil former is made of anodized aluminum so that it can withstand extreme temperatures. The driver uses a four-layer voice coil winding. A spun-laced NOMEX reinforcement collar adds strength to the connection between the cone, the voice coil former and the spiders.

Electrical connections are handled by four nickel-plated spring terminals. The terminals push inward toward the voice coil and wire up to 10 AWG in size is inserted from below. While it seems inconsequential, this vertical wiring method helps keep everything organized during installation.

Rockford Subwoofer
The bottom-entry terminals on the P3D4-12 accept up to 10-AWG cables and keep the wiring out of the way when installing the subwoofer.

P3D4-12 Specifications

The P3D4-12 subwoofer is rated to handle 600 watts of power continuously and up to 1,200 watts maximum power. The driver has a total weight of 20.9 pounds (9.48 kilograms). Mounting depth is 6.66 inches, and the driver requires a cutout size of 11.25 inches.

In terms of electromechanical specifications, Rockford Fosgate specifies the driver as having a resonant frequency (Fs) of 27.7 hertz, an equivalent volume compliance (Vas) of 2.04 cubic feet and a total Q (Qts) of 0.52. The maximum linear excursion (Xmax) is listed at 0.547 inch in each direction.

The owner’s manual suggests a sealed enclosure with a net internal volume of 1.02 cubic feet to produce an F3 frequency of 42.2 hertz and a system Q of 0.78 – which should be well-controlled and impressively musical. If you want to increase low-frequency efficiency, they suggest a 1.79-cubic-foot vented enclosure with a tuning frequency of 40 hertz. This should result in an F3 frequency of 32.8 hertz and a lot more output. If you have the room, we always suggest the vented enclosure.

Rockford Subwoofer
Predicted frequency response of the P3D34-12 in the factory-spec enclosures: red, sealed; yellow, vented

If you want a little more rumble from the sub, ask the Rockford Fosgate retailer you’re working with to build the vented enclosure with a tuning frequency of 30 Hz. You’ll lose some of the 50-60 hertz efficiency, but pick up more output below 35 hertz.

Rockford Subwoofer
If you want to trade some boom for more rumble, drop the enclosure tuning frequency from 40 hertz (yellow) to 30 hertz (green).

Upgrade Your Car Audio System with a Rockford Fosgate Subwoofer Today

If you’re searching for a high-performance subwoofer that’s designed to sound great while delivering impressive amounts of bass, drop by your local authorized Rockford Fosgate retailer. You can find a shop near you using the dealer locator on the Rockford Fosgate website. Be sure to follow Rockford Fosgate on their Facebook page and Instagram feed and check out the awesome videos they produce on their YouTube channel.

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, Products, RESOURCE LIBRARY Tagged With: Rockford Fosgate

Product Spotlight: Sony XAV-AX8100 Media Receiver

Sony XAV-AX8100

When it comes to floating-face or T-style radios, there are more options than ever. The Sony XAV-AX8100 combines all the most sought-after features with an 8.95-inch screen that will look perfect in your dash. Whether it’s staying connected with Android Auto and Apple CarPlay smartphone integration or having support for all your favorite digital media files to entertain you on a long drive, this solution has all the bases covered.

8.95-inch Floating Face

The center point of the XAV-AX8100 is its large 8.95-inch color touchscreen. The display has a resolution of 800 by 480 pixels and has been treated with an anti-glare coating to help ensure that its graphics are clear in bright sunlight. At the base of the screen are eight physical buttons that provide quick and easy access to source selection, volume control, track selection and voice recognition features. As with all Sony multimedia receivers, the styling and colors are specifically designed to create a look that’s right at home in the dash of your car or truck.

One of the big upgrades to the XAV-AX8100 over its predecessor is the inclusion of an HDMI input jack on the bottom of the display. Located just under the volume control rocker switch, the input allows you to connect a laptop, game system or media player to access while the vehicle is parked and the parking brake is set.

Sony XAV-AX8100
An HDMI input on the bottom of the display makes it easy to connect a media player or laptop.

Smartphone Integration Technologies

Apple CarPlay and Android Auto smartphone integration remain at the top of the feature list for the 8100. Using the voice recognition features of your smartphone and its internet connection, you can make phone calls, send text messages or request navigation directions without having to enter information on the screen. Instead, press the voice button on the radio and ask for what you want. Your phone will take care of the rest.

The Sony XAV-AX8100 also includes support for Weblink. When installed on your Android or iOS-based smartphone, Weblink allows you to display images from many popular applications on the radio screen. In addition, touchscreen commands from the system are relayed back to your smartphone if the application is compatible, so navigating app menus is intuitive and seamless.

Sony XAV-AX8100
Apple CarPlay and Android Auto smartphone integration allow you to use voice commands to control your phone.

Sony XAV-AX8100 Audio Features

This media device includes an AM/FM receiver and one USB port for your smartphone or a USB memory stick. The system will play MP3, WMA, AAC, WAV and FLAC audio files, along with MP4, WMV and MKV video files (when parked). Bluetooth hands-free calling and audio streaming are also built in, and the integration features provide direct access to iHeartRadio, Pandora, Spotify and Tidal streaming services. In addition, your authorized Sony retailer can add an SXV300 SiriusXM satellite radio receiver to deliver non-stop entertainment from coast to coast.

The XAV-AX8100 has a four-channel amplifier that can deliver up to 20 watts of power to each speaker. The front, rear and subwoofer preamp outputs are rated at 5 volts and include adjustable electronic crossovers. In addition, Sony includes their EQ10 10-band equalizer, the Extra Bass loudness feature and Digital Soundstage Organizer (DSO) processing to let you fine-tune the sound of your car audio system.

The radio is based on a single-DIN chassis, which will fit in vehicles that weren’t previously compatible with double-DIN aftermarket radios. Your installer can adjust the screen angle, extension and height so that the radio looks great and is easy to use. From an integration and safety standpoint, the XAV-AX8100 is compatible with most steering wheel audio control interfaces, and it includes a backup camera input with a reverse trigger wire.

Sony XAV-AX8100
The compact single-DIN chassis allows the XAV-AX8100 to be installed in applications where a double-DIN unit won’t fit.

If you’re looking for a reliable, high-performance radio upgrade for your car or truck, drop by your local authorized Sony car audio retailer and ask for a demonstration of the XAV-AX8100. Be sure to bring your smartphone to experience the voice command features. For more information about this radio and the other fantastic car audio upgrade products from Sony, visit their website. Also, be sure to follow them on Facebook page, Instagram and YouTube for the latest updates and new product releases.

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, Products, RESOURCE LIBRARY Tagged With: Sony

Product Spotlight: Rockford Fosgate M5-1500X Marine/Powersports Amp

Rockford Fosgate M5-1500X5

Whether you have a Jeep that gets muddy, a side-by-side that thinks it’s a part-time submarine, or a boat that’s always getting swamped, Rockford Fosgate’s M5-1500X5 powersports amplifier can be the heart of an impressive audio system upgrade. This five-channel amplifier can deliver the power your speakers need to reproduce audio with amazing clarity while driving a subwoofer or two to give your music impact and warmth – all from a single chassis. If you agree that this sounds like the perfect upgrade for your mobile sound system, read on to learn more about this fantastic amplifier.

Rockford Fosgate M5-1500X5 Specifications

The M5-1500X5 amplifier is rated to produce 100 watts per channel from the four main channels and an impressive 600 watts from the subwoofer channel. The front channels can drive 2- or 4-ohm loads while the subwoofer channel is optimized to produce that power into a 2- or 1-ohm load. The sub channel makes 400 watts into a 4-ohm load. If you have an application where you need huge power for a set of tower speakers, the front and rear channel pairs can be bridged to drive a pair of 4-ohm loads with 200 watts to each speaker. Of course, all of the specifications for the amp are compliant with the CTA-2006 standard, so you know you can trust the ratings. Based on our experience with the M5-1000X1, the numbers are likely conservative.

The front, rear and subwoofer channels each have a dedicated sensitivity control, Punch EQ control and a crossover that’s adjustable between 50 and 250 Hz. The Punch EQ allows up to 18 dB of boost at 45 hertz on the subwoofer channel and combines that bass attenuation with treble boost centered at 12.5 kHz on the front channels. The crossover on the front channels can be run in high- or low-pass modes or defeated completely. The adjustable subwoofer channel crossover is always on and limits high-frequency information. Your installer can connect an RCA cable directly to the RCA input for the sub channel, or set the Sub Input Switch off and let the amp combine the signals from the front and rear channel inputs. The subwoofer channel has a fixed -12 dB/octave infrasonic filter that’s set to 30 hertz to protect your subwoofers and optimize their output. There’s also a two- or four-channel switch on the end of the amp by the input connections. Setting this to two-channel mode copies the signal from the front channel inputs to the rear channels.

Rockford Fosgate includes their C.L.E.A.N. input and output monitoring circuit, making it easy for your installer to maximize the signals going into the amp and set the output level controls to deliver maximum performance. They’ve also included a PRESET switch for level and crossover settings for use with their vehicle-specific Motorsports stage kits. These settings can be invoked by activating the PRESET switch on each channel.

Rockford Fosgate M5-1500X5
Your installer has easy access to settings and adjustments for each pair of channels right from the top of the M5-1500X5 amplifier.

The amplifier makes use of several technologies found on other premium Rockford Fosgate amplifiers. The NOMAD protection circuitry guards against short circuits on the speaker connections. The Class-AD and Class-BD designs help to ensure good efficiency to maximize the capabilities of the magneto or alternator and battery on your boat or side-by-side. Likewise, the lightly regulated P.O.W.E.R. technology for the power supply design allows the amplifier to maximize output power when it’s fed with more voltage. Finally, the Maximum Efficiency Heat Sink Application (MEHSA) heat sink design helps to ensure that the amp keeps running when pushed hard by spreading thermal energy throughout the chassis.

Rockford Fosgate M5-1500X5
The Rockford Fosgate M5-1500X5 includes speaker-level and RCA preamp input harnesses to make the amp compatible with all manner of signal sources.

Five-Channel Powersports Amplifier Layout

The M5-1500X5 is based on a 4.25- by 1.7-inch extruded aluminum chassis that’s 12.3 inches long, including the cast aluminum end-caps. The connections for input signals, along with speaker and power output, are made via pigtail harnesses that attach to each end of the amplifier. The harnesses are held in place with screws and feature gaskets to ensure that everything is watertight.

The controls are on the top of the amp on the left side and are protected by a removable cover once set. As you’d expect, the cover includes a rubber gasket to keep water, dust and debris out of the amp. The combination of these waterproofing features gives the amp an IPX6 water and dust intrusion rating. Rockford Fosgate calls this their Element Ready design, and it includes testing for prolonged UV exposure as well as corrosion resistance.

Rockford Fosgate M5-1500X5
The controls on the top of the amp are protected by a watertight removal cover that maintains the IPX6 water intrusion rating.

Upgrade Your Adventure with Rockford Fosgate

Your local authorized Rockford Fosgate dealer would be happy to design an audio system upgrade for your boat, side-by-side, off-roader or Jeep using the M5-1500X5. You can find a dealer near you by using the Dealer Locator on their website. To keep up with the latest new product release, cool events and amazing vehicle features from Rockford Fosgate, be sure to follow them on Facebook, Instagram and their YouTube channel.

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, Products, RESOURCE LIBRARY Tagged With: Rockford Fosgate

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