High-performance of DSP, fast for running speed, the transmit and receive clock is up to 50MHz. Also, Highly configured audio CODEC chip PCM3168, with 192kHz

Product highlights:
8-channel car amplifier with digital signal processing
25 watts RMS x 8 at 4 ohms
includes wired LCD remote control, Bluetooth adapter, and USB cable
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, optical and coax digital, USB
outputs: 12 processed (RCA) and 8 powered speaker outputs
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°
music and nav sound mixing
full-range outputs available for larger systems
More Info:
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 9-1/2"D (including wiring)
warranty: 1 year
Our 60-day money-back guarantee
MFR # PXE-0850X
What's in the box:
Alpine PXE-0850X owner's manual

12-Channel 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)
Remote commander with 15" cable (4-pin barrel connector)
External Bluetooth module with 6" cable (RJ-45 plug)
6" Power/ground/input harness
One 20-amp ATO fuse (installed in fuse holder)
Two 6" Speaker output harnesses
2 Mounting brackets
Four 3/4" screws
Ten 1/4" machine screws
2 Installation manuals (English & French)
Warranty information
Default Pre-Out Settings chart
Product registration card (Eng/Span/Fren)