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Alpine PXE-0850S

8-channel car amplifier with digital signal processing — 25 watts RMS x 8

Item # 500PXE0850

Talk about a jack-of-all-trades.

Talk about a jack-of-all-trades.

Item # 500PXE0850

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C$799.99
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About the Alpine PXE-0850S

Make your system sound spectacular

Talk about a jack-of-all-trades. Alpine's PXE-0850S amplifier/processor will deliver high-fidelity sound to almost any car audio system, aftermarket or factory. The PXE-0850S can be used as a stand-alone sound processor, taking up to six inputs — from a factory system's high, midrange, and low frequencies for example — and providing twelve processed channels to feed your amplifiers. The PXE-0850S can also serve as a factory system upgrade — an amplifier with onboard sound processing — sending 25 watts RMS each to up eight separate speakers. This handy little magic box comes with a Bluetooth® adapter so you can stream music wirelessly from your compatible device without even needing a receiver in your system.

Make your system sound spectacular

Alpine Authorized Online Dealer

Talk about a jack-of-all-trades. Alpine's PXE-0850S amplifier/processor will deliver high-fidelity sound to almost any car audio system, aftermarket or factory. The PXE-0850S can be used as a stand-alone sound processor, taking up to six inputs — from a factory system's high, midrange, and low frequencies for example — and providing twelve processed channels to feed your amplifiers. The PXE-0850S can also serve as a factory system upgrade — an amplifier with onboard sound processing — sending 25 watts RMS each to up eight separate speakers. This handy little magic box comes with a Bluetooth® adapter so you can stream music wirelessly from your compatible device without even needing a receiver in your system.

The software

You control the PXE-0850S's 32-bit 300 MHz processing wirelessly with your compatible Bluetooth device or with a Windows-run PC via the supplied USB cable. You download the free PXE-DSP-APP for iOS or Android device from the Apple APP or Google Play Store. The PXE-DSP-APP for Windows is available at Alpine.com.

The control app

Matrix mixing allows for summing and input/output signal management. Fully adjustable high-pass, low-pass, and bandpass filters on every channel match the sound to your speakers. The 31-band equalizers help achieve the perfect tone, allowing you to smooth out any hot spots or dips in the frequency response of your vehicle's interior. The delay feature lets you center the stereo image for your listening position.

Remote included

The PXE-0850S comes with a wired LCD remote controller so you can control volume, store and recall presets, and select between sources from the driver's seat.

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Product highlights:

  • 8-channel car amplifier with digital signal processing
  • 25 watts RMS x 8 at 4 ohms
  • DSP adjustments and settings made via Bluetooth device, Windows PC via USB, or wired remote
    • download PXE-DSP-APP for iOS or Android device from the Apple APP or Google Play Store
    • download PXE-DSP-APP for Windows at Alpine.com
  • inputs: 6 assignable preamp and speaker-level
  • outputs: 12 processed channels (RCA)
Adjustment Details:
  • 12-channel 32-bit 300 MHz digital processor
  • 31-band EQ with fine tuning
  • adjustable high-, low-, and band-pass filters (20-20 KHz)
    • selectable filter slopes (12, 18, 24, 30, 36, 42, 48 dB/octave)
    • selectable filter characteristics (Butterworth, Bessel, and Linkwitz-Riley)
  • delay: 0-20 milliseconds (0-273")
  • phase adjustment: 0 or 180°
Other Features:
  • includes wired LCD remote control, Bluetooth adapter, and USB cable
    • remote dimensions: 3-1/2"W x 1-3/4"H x 3/4"D (1-11/16"D with knob)
  • fuse rating: 20A x 1
  • wiring and hardware not included with amplifier
    • 10-gauge power and ground leads recommended
  • dimensions: 8-5/16"W x 1-7/8"H x 7-1/2"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # PXE-0850S
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What's in the box:

  • Signal processor/amplifier
  • 16.5' USB 3.0 extension cable (Type A USB 3.0 connectors on each end) with 45" pigtail for connecting remote commander (4-pin barrel connector)
  • 6" Power/ground/input harness (20A ATO fuse on constant power wire)
  • Two 6" Speaker output harnesses
  • 2 Metal mounting brackets
  • 4 Self-tapping screws (Length 3/4")
  • 10 M3 x 6mm machine screws
  • Remote commander with 15" cable (4-pin barrel connector)
  • External Bluetooth module with 6" cable (RJ45 plug)
  • Limited Warranty
  • Product Registration card
  • Important Information card

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Alpine PXE-0850S Reviews

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Features

Overview: The Alpine PXE-0850S Advanced Wireless Digital Sound Processor lets you customize your vehicle's sound system for the best sound quality and sound staging. The processor can be used with a factory system, or with and Alpine or other brand of head unit. With 31 bands of independent equalization per channel and multiple crossovers, the processor can help you dial in the sound that's right for your vehicle. It has 6-channels of high- or low-level input from your factory or aftermarket head unit, with 8 speaker outputs and 12 preamp outputs. The PXE-0850S can connect to a Windows PC via USB, a Bluetooth-connected smartphone, or the included Remote Commander for making all your adjustments. The processor comes with a power/ground/speaker input harness, two speaker output harnesses, and a USB 3.0 interface cable.

Construction: The PXE-0850S is equipped with a Texas Instruments 32-bit DSP with 300MHz floating point processor, and a TI 24-bit premium A/D and D/A converter. The unit lets you take up to six independent signals (low, mids, and highs per side, for example) and combine them into a full range signal. This full range signal can be sent to up to 12 independent channels for an extremely versatile system.

Inputs: The processor features six channels of speaker-level inputs on the included harness and 3 pairs of RCA line level inputs on the unit. In addition, the PXE-0850S has optical (Toslink) and coaxial (RCA) S/PDIF digital inputs to play music from an in-vehicle CD or DVD, and an external Bluetooth module for connecting your smartphone.

Outputs: The PXE-0850S has 25 watts RMS output per channel x 8 channels for powering multiple pairs of speakers. It also has 12 channels of preamp level outputs. The signal of the speaker outputs mirror the first 8 RCA output channels.

User Interface Options: The Alpine PXE-0850S Digital Sound Processor can be controlled in three different ways:

  • Mobile Phone App: The Alpine PXE-DSP-APP application lets you control the processor from your smartphone or tablet. The smart device connects via Bluetooth through the included External Bluetooth interface. The PXE-DSP-APP allows you to adjust the Master Volume, Switch the Output Channels to adjust, Set the EQ curve, Q-value, and Frequency Tuning, Set the Crossovers, Set the Delay, and Set the Audio Output Mixing. The app is compatible with Apple devices running iOS 8.0 or later, and Android devices with version 4.0 and up.
  • PC Software: You can connect a PC to the processor via the included USB 3.0 cable. The functions of the PC software are the same as the Mobile Phone app. The graphic displays on the PC are much more detailed than the Mobile Phone App. The PC software runs on Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10.
  • Wired Controller: The included Remote Commander has limited control via its large rotary control and 1-3/8" display. The Remote Commander can adjust the Master Volume, switch the audio input source (S/PDIF, Hi.Level, Phone (Bluetooth), Aux (low level)), and set and recall the Preset Sound Effects. Further detailed settings must be made through the Mobile Phone App or PC Software.

Equalization: The PXE-0850S features 31-bands of independent equalization per channel, with both parametric and graphic EQs. In the Parametric EQ, you can adjust the frequencies between 20Hz and 20kHz. In the Graphic EQ, the frequency bands are set 1/3-octave intervals at 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300, 8000, 10000, 12500, 16000, and 20000 Hz. The slope (or Q value) is adjustable between 0.404 and 28.85 in 0.01 increments. The gain of each band can be increased or decreased by up to 12dB in 0.1dB increments.

Crossovers: Each output is equipped with independent high- and low-pass filters. Bandpass filters can also be configured. For each channel, you can select the type of filter - Butterworth, Linkwitz-Riley, or Bessel. Crossover points are fully adjustable from 20Hz to 20kHz in 1Hz increments. You can choose from the following crossover slopes: 12dB, 18dB, 24dB, 30dB, 36dB, 42dB, or 48dB per octave.

Time Correction/Phase: The PXE-0850S can apply a wide degree of time correction to each of the 12 channels of output: Left and right front (low, mid, tweeter), Center, Left and right rear (mid, tweeter), and Subwoofer. You can choose the amount of delay in milliseconds (0.000 to 20), centimeters (0.00 to 692 cm) or inches (0.00 to 273"). The phase of each output can be set to positive (0°) or inverted (180°).

Presets: After you have set the EQ frequency, Q-value, and gain data, delay, channel, and phase position settings to your liking, you can save them to one of up to six different sound presets. This allows you to make different sound settings for each input type or music genre.

Protected Settings: Current settings can be protected by a six-digit password. The values of the 31-band EQ frequency, Q-value, and gain data, delay, channel, and phase settings are encrypted to prevent accidental changes or deliberate tampering with the settings.

Specifications:

  • Frequency Response: 20Hz to 20kHz
  • Dynamic Range: ≥110dB
  • Signal-to-Noise Ratio: ≥100dB
  • Total Harmonic Distortion: ≤0.05%
  • Input Impedance: Low-level Input: 20kΩ; High-level Input: 330Ω
  • Low-level Output Impedance: 51Ω
  • Scope of Signal Input and Output: RCA Input: 7.5Vpp; High-level Input: 24Vpp; RCA Output: 7.5Vpp
  • Power Source: DC 9V-15V
  • Standby Power Consumption: ≤0.1W
  • Output Signal Gain Range: Mute, -59.9dB to 0dB
  • Dimensions: Width 8.261" Height 1.823" Depth 7.454"
  • Remote Dimensions: Width 3.46" Height 1.71" Depth 0.75" (1.63" including knob)
  • Weight: 3 pounds 9.4 ounces

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
I usually don't buy an item new to the market with little to no reviews to be found, but this Alpine PXE-0850S seems too good to pass up. I have been looking at the AudioControl DM 8.10 for some time and also the Alpine H800, but this unit has it all and comes with it all. The controller is included, not extra, and the Bluetooth adapter is also included, not "coming soon" for over a year. The mobile App can also be downloaded for free. It is expensive, but with everything included, a bargain [ DanenG  Nov 28, 2018 ]

9 questions already asked

Q
What is the blue tooth codec protocol? And Is it High Res?
[ Jason  Feb 17, 2019 ]
1 answer
A
I've looked through all the information we have on it, the manual, Alpine's site, and a few other online sites but cannot find any information on the Bluetooth codec's. Because of this, I recommend contacting Alpine on 800-257-4631 to see if that have the specifics on the codecs My Bio: https://www.crutchfield.com/bio/Paul
[ Paul  Feb 23, 2019 ]  Staff
Q
My factory speakers are all 2 Ohm. Can this amp handle 2 Ohm? If it can, do I get 50 W per channel instead of 25 W?
[ Scott  Oct 27, 2018 ]
1 answer
A
I've searched all our information on it as well as Alpine's site but found no mention of 2 ohms. I expect that much like a head unit, it will work with 2 ohm speakers and that you won't get any extra power My Bio: https://www.crutchfield.com/bio/Paul
[ Paul  Nov 07, 2018 ]  Staff
Q
Can u bridge 2 of the channels to one?
[ Xdcoop  Oct 05, 2018 ]
1 answer
A
The channels are not bridgeable.
[ Ryan  Oct 10, 2018 ]  Staff
Q
What are the size dimensions for the remote?
[ A  Sep 27, 2018 ]
1 answer
A
The remote dimensions are: Width 3.46" Height 1.71" Depth 0.75" (1.63" including knob) We're adding them to the product's main webpage as well. I hope that helps My bio: https://www.crutchfield.com/bio/Ryan
[ Ryan  Oct 04, 2018 ]  Staff
Q
Can I use this on my 17 mb c300 instead of a jl audio fix and dsp amp?
[ Jeffrey  Sep 09, 2018 ]
1 answer
A
Those 2017 C300's have an amp in them that separates the audio that goes to each speaker and that means you will need something to sum with signals together to install an amp to that stock system. Something like the JL Audio Fix is needed, but I should also mention that some DSP amps have the ability to sum the signals. I recommend contacting an advisor on 1-800-324-9695 to discuss your goals and see if any of those DPS amps with built-in signal summing will work for you My Bio: https://www.crutchfield.com/bio/Paul
[ Paul  Sep 22, 2018 ]  Staff
Q
Would 25 watts be plenty of power for a tweeter? I'm not really a fan of dedicating 100 w x 2 channels to just the tweeters. If 25 watt rms is more than plenty to drive a tweeter, this processor would be great for an Active setup.
[ Mbrogz3000  Jul 14, 2018 ]
1 answer
A
Generally speaking; tweeters do not require a lot of wattage. Having said that; it depends on the specific tweeter model and it's specifications. For additional assistance and personalized recommendations, feel free to contact us directly by phone or through our online chat service: https://www.crutchfield.com/support/ContactUs.aspx
[ Ryan  Jul 20, 2018 ]  Staff
Q
Does this processor, the Alpine PXE-0850S, have center processing or is it just a sum of some other channels? Like the H800 or not?
[ SterlingT  Jun 25, 2018 ]
1 answer
A
It has center channel processing when sending in audio using its multi-channel input and digital audio inputs. It will have to create center channel audio when fed a 2 channel audio signal My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Jul 11, 2018 ]  Staff
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