Signal Processors
signal processors — pre-owned
Browse 1,285 signal processors — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Black Diamond 7-Band Stereo Equalizer/Crossover Pre Amp Equalizer - EQ7LS
Orion 400 BDG Car Audio Line Driver Bass Gain Controller w/ Cable Made in USA
jl audio clean sweep CL441 Dsp
Mosconi Atomo 4/6 Digital Sound Processor
OLD SCHOOL PHOENIX GOLD BASSCUBE WITH REMOTE, CORD, AND PLUG WORKS PERFECTLY
Audiocontrol EPICENTER PRO Bass Restoration Processor with Line Driver - Used...
Rare VTG 80s Magnadyne Graphic Equalizer Car Stereo Pre-Amp 10 Band LED VU Audio
DS18 XM3 Full 3-Way Active Crossover (Front/Rear/Sub)
DS18 EQX7PRO Car Stereo Equalizer/Crossover High Volt 7-Band Auto Turn On
AudioControl THREE.1 In-dash equalizer with 2-way crossover And Line Driver
KICKER 47KEYLOC DSP Smart Powered Line Output Converter - Black
DS18 Digital Bass Processor 2 Channel Preamp Input Output Epicenter DBPM100.MX
Kicker 47KEYLOC Key Series Smart Powered Line-Out Converter - Used, Open Box
Lanzar CX3 Crossover (vintage)
DS18 DSP4.8BTM 4-Channel In and 8-Channel Out Digital Sound Processor Car Audio
Alpine ERA-G320 Sound Field Processor DSP Equalizer Complete Tested Working Rare
DS18 EQX5 8 Volts 5-Band Equalizer with High Level Input - Adjustable Bass
Alpine RUX-C701 + PXA-H701 Digital Sound Processor DSP Set Car Audio Tested Good
DS18 Digital Bass Processor With Hi to Low Signal Converter & Speaker Emulator
AudioControl LC8i 8 Channel Line Out Converter w/ Auxiliary Input Knob Included
COUSTIC XM-1e Mobile Electronic Crossover
Vintage 1990s Alpine 3331 Old School 11-Band Graphic Equalizer Pre-Amplifier
Marts Digital 8 Channel Output 32Bits 96KHz Bluetooth DSP / BTX8-DSP (Z19)
DS18 XM5 5-Way Active Crossover
Audio Dynamics DSP68AT Digital Signal Processor for 6 IN and 8 OUT
HELIX DSP PRO MK2 10-Channel Digital Processor High Resolution Tested Used
Sony XE-90 MKII Equalizer w/ Subwoofer Control full working condition
Eclipse EQ1000 Old School Car Equalizer Pre Amp eq1000
Xfinity Reference Series Audio System With 610a Amp And (2)x12" Xfinity Subs
JL Audio FIX82 Integration Signal Processor Read Description
DS18 Digital Bass Processor With Hi to Low Signal Converter & Speaker Emulator
Numark EB-600 Vintage Car Equalizer Booster Made in Japan Estate Item Project
kicker model X4500-4 12 db crossover-RARE VINTAGE COLLECTIBLE-Ships N 24 HRS-NEW
Audio Control The Epicenter Concert Series Digital Reconstruction Processor
AudioControl EQX 13-band equalizer with crossover 2.3 khz chip for Active setups
VTG AudioControl Epic-150 Epicenter BASS Processor Enhancer Digital SPL Meter
DS18 EQX7 8 Volt 7 Band 1/2 Din Car Stereo Equalizer Subwoofer Speaker Control
Kenwood Old School KGC-4042A Baby Kenwood Graphic Equalizer kgc4042a
PAC LPA-E.4 Line Output Converter
DS18 DSP8.8BT 8-Channel In and 8-Channel Out Digital Sound Processor Bluetooth