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Alpine 16-Channel Hi-Resolution Digital Sound Processor (PXEX09)

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  • Hi-Res Audio Compliant
  • Configuration Wizard
  • Built-in Real-Time Analyzer
  • Built-in Signal Generator (Pink Noise, White Noise, Sinusoid)
  • Bluetooth® audio streaming with included external module
  • Wireless sound tuning via smartphone. PC tuning also available
  • Dash-mounted remote controller included


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The PXE-X09 is every sound tuner’s dream with flexible application and onboard tuning tools that will bring out the full potential of your music.

For the discerning audio enthusiast who’s looking for a better music experience in their vehicle, the PXE-X09 Hi-Resolution Digital Sound Processor allows you to integrate aftermarket amplifiers and speakers into your vehicle without replacing the factory head unit. The on-board tuning tools give you the power to design a custom listening experience so you can get lost in your music.

The PXE-X09 comes with 16 channels of input and output for various sound system setups. An on-board Real Time Analyzer and a 10-band parametric input equalizer allows you to flatten the factory EQ curve or use as a global EQ. The internal signal generator quickly sends the appropriate tuning sounds to test and tune your system with the option of using pink or white noise or sinusoid.

Built for pros and novices alike, the Configuration Wizard guides you in identifying the components in the factory system as well as the target aftermarket system then appropriately mixes the channels to get a full range signal so you can tune based on your system and your vehicle.

Bring out your sound system’s full potential with the onboard tuning tools. Adjust the active crossover within 1Hz steps to optimize the transition points between speakers in the system. Tune your sound system to perfection with the 31-band parametric or graphic output equalizer. Bring your music to the front and center of your vehicle with up to 20ms of time correction in .01ms steps per channel so every drive feels like a front-row seat at a concert.

Effortlessly tune your system from your smartphone, tablet, or PC (requires a wired USB connection, USB cable included). Get real-time tuning results that you can immediately hear and test with the “Before” and “After” effect to hear the fruits of your labor.

Download the free PXE-X09 DSP app on the App Store or Google Play™. The PC app is available on the Alpine Knowledge Center.

For quick adjustments, use the included LCD remote controller which can be flush-mounted on the dash for easy access. Use the rotary knob to quickly adjust volume, preset storage and recall, bass, and source selection and view results on the LED screen.

Protect your tune and save time by saving a vehicle’s tuning files directly to your smartphone or hard drive. The versatile file system can be shared via text message or email or stored on a thumb drive for storing or sharing.

For vehicles that don’t have a music source, like a head unit or stereo, the PXE-X09 can receive music sent directly from a smartphone with Bluetooth streaming so you can still enjoy personal playlists without adding or replacing the factory head unit.

SKU: PXEX09 Categories: , , ,

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