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Product Spotlight: Rockford Fosgate P3D4-12 Car Audio Subwoofer

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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.

Product Spotlight: Audison Bit One HD Virtuoso

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Bit One HD Virtuoso

Long considered one of the forerunners in digital signal processing in the car audio industry, Audison continues their performance and technological evolution with the introduction of the new Bit One HD Virtuoso. This advanced processor builds on the success of the Bit One HD and includes upgraded premium audio components for improved sound quality, along with state-of-the-art signal routing and processing capabilities to cope with even the most-advanced and challenging of factory-installed source units and amplifiers.

Virtuoso Digital Signal Processor Basic Features

Bit One HD VirtuosoThe new Virtuoso digital signal processor (DSP) includes six RCA inputs, 12 high-level inputs, a pair of RCA auxiliary inputs and two TOSLINK optical inputs. The high-level inputs are equipped with Audison’s Universal Speaker Simulator (USS), so factory-installed source units that use load-sensing to check for speakers will function normally.

The digital inputs will accept standard stereo audio data streams up to 24-bit depth and 96kHz sampling rates. There are 13 RCA preamp outputs, each rated to produce up to 4 volts of signal. Two sets of AD Link/AC Link connections are available to feed digital signals to Audison amplifiers like the Voce Series when equipped with the AV Bit IN HD digital input board. Using the AD Link/AC Link system eliminates the chance of picking up noise between a processor and an amplifier using analog connections.

Remote Volume Auxiliary Input

An interesting and unique feature of the Virtuoso is the Remote Volume Aux (RVA) feature, which lets you use the volume control on your source unit to control the output level of the processor when using its auxiliary input. The function can be enabled using a test tone stored on a USB memory stick or by connecting the RVA output to the aux input on the head unit. The Virtuoso monitors the level of the test tone and adjusts the output of the processor to match. This configuration maintains an appropriate level for Bluetooth, navigation prompts and warning chimes.

Premium Components for Superb Sound

Bit One HD VirtuosoAudison has included a variety of audiophile-grade components in the new Virtuoso processor. First, the output operational amplifiers are Texas Instruments OPAx134 SoundPlus units. These devices have a stunning 0.00008% distortion spec and add almost no noise to the signal. SILMIC series ELNA filter capacitors filter the power fed to the output op-amps to reduce the chances of noise. Finally, high-performance metalized polypropylene film capacitors in the audio path provide excellent high-frequency performance.

A pair of Cirrus Logic Advanced Multi-bit Delta Sigma Architecture 24-bit digital-to-analog converters handles conversion of data from the Analog Device ADSP-21489 SHARC Processor. This powerful processor was chosen for its ability to handle the complex math involved in implementing Finite Impulse Response (FIR) crossovers and equalization on many of the output channels. Audison suggests that the use of FIR filters over Infinite Impulse Response (IIR) processing eliminates phase anomalies associated with configuring and tuning the system to produce a more-coherent soundstage and improved listening experience.

Next-Level Factory Sound System Integration

Bit One HD VirtuosoThe Bit One HD Virtuoso is equipped with advanced DE-EQ processing that includes phase analysis. Previous integration processing has been able to undo equalization and signal delay added to the output of an amplifier. The Virtuoso adds the ability to detect all-pass (Phase EQ) processing and apply a correction to produce a time-coherent signal for your installer to work with. The Virtuoso will also detect reverse-polarity speaker wire connections so the installer can swap the wiring and reduce processing requirements.

If your factory audio system doesn’t include an upmixer, the Virtuoso will work in the Automatic Routing Input Setup mode. This configuration sums and corrects EQ and Phase to produce a wide-bandwidth signal. The pass-through mode is best used with factory sound systems that include an upmixer and discrete center channel. No summing is applied in pass-through mode, and inputs are routed through to the outputs with provisions for equalization and filtering, depending on the requirements of the new speakers.

Experience the Audison Bit One HD Virtuoso for Yourself!

If you are shopping for an audio system upgrade for your vehicle, visit your local authorized Audison dealer and ask about adding the new Bit One HD Virtuoso to your system design. Beyond being an extremely capable integration processor, it will allow your installer to configure and calibrate each speaker in your mobile audio system so your listening experience can rival or exceed the detail and accuracy of the most-bespoke of home audio systems.

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.

Product Spotlight: Sony XAV-AX8100 Media Receiver

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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.

Product Spotlight Hertz Mille Legend Speakers and Subwoofers

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Hertz Mille Legend

In 2005, Hertz introduced the world to the Mille series of car audio speakers and subwoofers. These unique drivers featured the V-cone design to deliver impressive clarity and detail. Now in their third generation, Mille Legend tweeters, midrange drivers, woofers and subwoofers combine premium materials with state-of-the-art technologies to ensure that music enthusiasts can enjoy their music at elevated volume levels in amazing clarity and detail. Let’s take a close look at the technologies Hertz has implemented in its flagship speaker products.

Hertz Mille Legend Speakers – Moving Parts Technologies

From the detailed ML 280.3 Legend tweeter to the impact of the ML 2500.3 Legend subwoofer, the Hertz Mille Legend speaker family uses modern design elements and technologies that reduce distortion and improve performance.

The deep V-cone design is evident if you look at any Mille Legend midrange drivers, woofers or subwoofers. This one-piece cone design comes to a sharp inverted point in the center. Unlike a typical dome-shaped dust cap, the V-cone design resists resonance that can add distortion to the music signal. Hertz also claims that the design helps to improve off-axis performance, making a two-way speaker set sound better in the doors or dash of your car or truck.

Hertz Mille Legend
The deep V-cone design of the Mille Legend drivers helps deliver smooth upper-frequency response that isn’t tainted by conventionally shaped dust cap resonance.

The Boundary Free Surround design on all the drivers helps to reduce unwanted resonance and increase the effective area of the woofer cone. These surrounds are constructed from high-purity IIR butyl rubber that resists degradation from prolonged exposure to oxygen and ozone.

The stand-alone and coaxial tweeters use a diaphragm made from Hertz’ proprietary Tetolon fiber cone material. This lightweight textile provides an amazing balance of clarity and high-frequency extension. In addition, the inherent damping characteristics resist the addition of unwanted distortion at the highest of frequencies. The midrange drivers in the Legend series use cotton-damped pressed pulp paper cones that offer a near-perfect balance of rigidity and resonance-preventing damping. The subwoofers use a mineral-injected paper cone for added strength alongside the excellent damping characteristics.

Hertz Mille Legend
All the tweeters in the Mille Legend series feature Tetolon fiber diaphragms to deliver smooth performance.

To prevent power compression, Hertz has implemented large-diameter voice coil assemblies on all the drivers. There is a massive 4-inch coil in the 10-inch ML 2500.3 Legend and 8-inch ML2000.3 Legend subwoofers. There’s also the large-for-the-driver-size 0.8-inch coil in the 3-inch ML 700.3 Legend midrange speaker. Larger voice coils offer a significant increase in surface area that helps them dissipate heat and stay cooler.

Hertz designed this series of speakers using computer-based Finite Element Analysis (FEA) to optimize the connection between the voice coil former and the cone in all the midrange, woofer and subwoofer solutions. Ensuring that this crucial connection is both mechanically secure and thermally stable is another reason why the Mille Legend speakers sound great, even at high volume levels.

Motor and Basket Performance Features

All but the two coaxial drivers in the Legend series use neodymium ring magnets at the core of their motor design. These rare earth magnets help the speakers and tweeters deliver impressive efficiency without the need for large, heavy motors. The design also helps to reduce the overall depth of the drivers. Along the same theme, the top and back plates are forged and milled from low-carbon steel, which offers excellent magnetic permeability to further increase efficiency.

All the Mille Legend drivers use copper or aluminum shorting rings to help improve high-frequency performance. These rings short unwanted magnetic fields created as the voice coil assembly moves through the magnetic gap. In the midrange drivers and woofers, upper midrange clarity is dramatically improved, thanks to this technology. In addition, midbass performance on the subwoofers and enhanced tweeter clarity at the top end of the audible spectrum are also achieved.

Hertz Mille Legend
Legend woofers and subwoofers include copper or aluminum shorting rings to improve linearity and decrease distortion.

Hertz Mille Legend subwoofers, woofers and midrange drivers are based on cast aluminum chassis that help ensure that every component is aligned perfectly. The design also serves as a heatsink to improve power handling and to isolate the cone and motor from vehicle vibrations while driving.

Hertz Mille Legend
Rigid cast baskets with integrating cooling/pressure vents under the spider mounting plateau ensure consistent and linear output, even at high volume levels.

Upgrade Your Car Audio System with Hertz Mille Legend Speakers

If you’re shopping for new or upgraded speakers for your car audio system, visit your local authorized Hertz retailer and ask for a demonstration of the Hertz Mille Legend drivers. You can learn more about the impressive products from Hertz by visiting their website, Facebook page or 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.

Product Spotlight: Sony XAV-AX5600 Multimedia Receiver

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Sony XAV-AX5600

When it comes to bang-for-your-buck car audio receiver upgrades, the Sony XAV-AX5600 offers amazing value and performance. This double-DIN multimedia unit is based around a 6.95-inch capacitive touch display. In addition, it includes Apple CarPlay and Android Auto smartphone integration and support for playback of most of your digital media files. Best of all, the radio is easy to use and looks great in the dash of your car, truck or SUV.

Easy to Use and Looks Great!

Above everything else, the XAV-AX5600 radio features an intuitive interface and lightning-fast response to your input. Whether you want to access the tuner to listen to the news or your favorite radio station, stream audio from your smartphone using Bluetooth or play files from a USB memory stick, all the sources are quickly accessible from the main menu screen.

The XAV-AX5600 features two USB jacks on the rear of the chassis. USB1 is the primary connection to your smartphone for CarPlay and Android Auto integration. These technologies let you use simple voice commands to send text messages, make phone calls, get navigation directions or choose the entertainment options you want. The radio uses Bluetooth 3.0+EDR and includes A2DP with AVCRP, HFP and PBAP profiles to listen to music and place phone calls easily and intuitively. In addition, Sony includes an external microphone that your installer can mount in the center of your vehicle to deliver crystal-clear outgoing audio during Bluetooth calls and accurate responses to voice commands.

You can connect a USB memory stick to either port to play MP3, WMA and FLAC audio files. Playback of WAV and AAC audio along with MPEG-4, WMV, MKV and XviD video files is supported by USB1 exclusively. USB1 is rated for 1.5 amps and USB2 can provide 500 mA in terms of power to charge your phone. FLAC file compatibility is specified for tracks encoded with a bit depth of 24 and a sampling rate of 48 kHz.

Sony XAV-AX5600
Twin USB pigtails on the rear of the XAV-AX5600 allow you to connect your phone and a USB memory stick simultaneously.

From an audio feature standpoint, the XAV-AX5600 includes a 20-watt per channel, four-channel amplifier along with front, rear and subwoofer RCA outputs. Each preamp output is rated to provide up to 5 volts of signal so your installer can keep the gains on your amps down. High-pass crossovers adjustable to 50, 60, 80, 100 or 120 Hz are available from the deck power and front/rear preamp outputs. The subwoofer output has an adjustable low-pass crossover with the same frequency options and an output level control that is easily accessible from the equalizer menu. Speaking of equalization, the radio includes a 10-band equalizer as well as Sony’s Extra Bass and Digital Soundstage Organizer (DSO) processing to help make your audio system sound amazing. The EQ has adjustment bands at 32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 khz, 2 khz, 4 kHz, 8 kHz and 16 kHz to tame peaks and valleys in the response of the audio system.

Sony XAV-AX5600
Sony’s EQ10 10-band equalizer allows you to fine-tune the sound of your car audio system.

Expansion Options Add Entertainment and Safety

A new feature from Sony for 2021 is the inclusion of an HDMI input on the back of the screen under the chassis. That way, when your vehicle is parked, you can play movies or video from a laptop, camera or game system right into the radio. Your car audio retailer can also add an SXV300 SiriusXM satellite radio tuner to the system so you can enjoy genre-specific content almost anywhere in North America without interruption. Another connectivity option is Weblink. You can connect your smartphone and mirror compatible apps from your device right to the screen of the radio.

The radio includes a dedicated video input for an optional backup camera. The camera image will display automatically when the vehicle is put in reverse. Sony includes customizable guidelines to help you back into a spot safely. If you’re towing a trailer, you can bring up the camera video feed any time (assuming your camera is powered) to ensure that everything is safe and secure.

Sony XAV-AX5600
A dedicated rear-vision camera input allows the driver to park and maneuver safely.

Amazing Integration and Installer-Friendly Design

The radio’s chassis is designed for double-DIN mounting locations, but the body of the radio is only a single-DIN, shallow-mount unit. This unique design gives your installer extra room for interface modules and wiring. The radio includes a steering wheel control interface jack that works with optional modules from iDataLink, PAC, Axxess and Scosche. The radio includes inputs for illumination dimming, a reverse trigger input for the backup camera and a parking brake input for video lockout while driving. Sony includes a remote turn-on output for external amplifiers.

As we mentioned, the 6.95-inch display features a capacitive-touch interface that helps deliver excellent brightness and contrast. Sony has a bezel-less front fascia that makes the XAV-AX5600 look as if it came with your vehicle right from the assembly line. The control panel with the six hard buttons protrudes slightly from the face, and the white backlighting looks elegant in any vehicle. Adjustable illumination brightness allows you to match the intensity of other dash lighting, and has independent brightness settings for when the vehicle lights are on and off.

Sony XAV-AX5600
The single-DIN chassis of the XAV-AX5600 leaves room for wiring and modules once installed in the dash of your car or truck.

Upgrade Your Drive with the Sony XAV-AX5600

If the technology in your car or truck isn’t state of the art, drop by your local authorized Sony car audio retailer and ask for a demonstration of the new XAV-AX5600. With a suggested retail price of $499.99 US/$649.99 CDN and a complete set of smartphone integration and entertainment features, this radio is a value that’s hard to beat. You can learn more about Sony Car Audio products by visiting their website, their Facebook page and their 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.