DB Drive Euphoria EDSP4-31BT : DSP 31 Band, 4 Input 8 Output, Android, IOS Phone App, USB Loseless Music Amplifier & Processor Remotes The built-in bass enhancer fixes

The built-in bass enhancer fixes annoying roll-off issues so your subwoofers can finally sing

The metal mesh grille features a matte black powder-coated finish that adds a clean

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featuring a robust copper voice coil wire and a polyimide coil that ensures durability and high performance

DB Drive Euphoria EDSP4-31BT : DSP 31 Band, 4 Input 8 Output, Android, IOS Phone App, USB Loseless Music Amplifier & Processor Remotes The built-in bass enhancer fixesFeatures OEM system integration sound processor perfect for OEM factory speaker tuning Built in 4. 2 lossless Bluetooth & SQ player Built in USB port to support MP3 lossless audio file 64 bit DSP with floating point processing technology 2CH low and or 4Ch high level inputs, 8ch low outputs 8 channel infinitely adjustable digitally processed channels High Resolution Music signal from USB source Sources: Bluetooth audio, high level input (head unit