Rockford Fosgate DSR1 Digital Signal Processor DSP With Maestro AR Amp Replacement Module - Add An Aftermarket Amp Without Losing Important Features

JL Audio Fix(Tm) 82 Digital Signal Processor DSP For Adding Amps And Speakers To A Factory System - 2 Outputs

JL Audio Fix(Tm) 86 Digital Signal Processor DSP For Adding Amps And Speakers To A Factory System - 6 Outputs

Alpine PXE-X121-12EV 12-Channel Hi-Res Digital Sound Processor And Amplifier

Behringer Sonic Ultramizer SU9920 2-Channel Signal Processor Stereo Sound Enhancement Processor With Dedicated Low Contour And Process Controls,

Memphis Audio VIV68DSP 6 To 8 Digital Sound Processor

Dayton Audio Dsp-408 4X8 DSP Digital Signal Processor For Home And Car Audio, Dsp-408

Taramps TS 800X4 2 Ohms Class D Multichannel Car Audio Amp 800W RMS 4 Channel + Taramps Pro 2.4S DSP Digital Signal Processor And Equalizer Bundle, 2-

Audiobank AP15-1/2 Din Car Audio Digital Bass Processor, Sound Restoration & Crossover For Car Subwoofer Bass Knob/Input Level: 15V RMS & Output Level

Bluetooth Digital Professional Sound Processor With Parametric Equalizer

Prv Audio Car Audio DSP 2.8X Digital Crossover And Equalizer 8 Channel Full Digital Signal Audio Processor DSP With Sequencer Remote Relay