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 |  | Helix Dsp Ultra S High-Res 12-Ch Dsp + Conductor Programable Remote New $1,649.00 |  |
 | Helix Dsp Mini Mk2 High-Res 6-Ch Dsp + Conductor Programable Remote New $649.00 |  |
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 |  | AudioControl Epicenter Digital Bass Restoration Processor - Black $139.00 |  |
 | Stetsom Stx2848 Dsp Crossover & Equalizer 8 Channel Digital Signal Processor $146.99 |  |
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 |  | Blaupunkt Beq 08E 9 Band Front And Rear Electronic Equalizer $350.00 |  |
 | Rare! Kenwood Kgc-6042A 9-Band + Sub Graphic Parametric Equalizer Eq Hp/Lp Sq $258.85 |  |
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 |  | Prv Audio Dsp 2.4X Crossover & Eq 4 Channel Full Dsp Digital Signal Processor $69.91 |  |
 | Universal Audio Gpm-Oxstp Uafx Ox Stomp Dynamic Speaker Emulator Pedal w/ Bt $399.00 |  |
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 |  | Stetsom Stx 2448 Digital Audio Processor Crossover - Ships Usa 3-Day Delivery $104.99 |  |
 | Prv Dsp 2.8X Digital Signal Processor + Tpt-Eq7 10V Band Graphic Equalizer Combo $154.86 |  |
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 |  | AudioControl Dm-608 Digital Matrix Processor $549.99 |  |
 | Audio Connection Inc 500 Hz Low Pass Rca Frequency Module Vintage | Made in Usa $19.99 |  |
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 |  | miniDsp Flex Unbalanced Rca 2x4 Digital Signal Processor $545.00 |  |
 | Honeywell U2 1010 Combination Viewing Head & Signal Processor Flame Detector $899.00 |  |
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 |  | Rockford Fosgate iDatalink Maestro Dsr1 8-Channel Digital Signal Processor New $289.00 |  |
 | Audiocontrol The Epicenter Black Car Audio Bass Restoration Digital Equalizer Eq $149.00 |  |
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 |  | Carrozzeria Deq-99 Keh-P88 Dsp Cassette Tuner Jdm Tested Maintained Japan $1,439.55 |  |
 | Dayton Audio Dsp-408 4x8 Dsp Digital Signal Processor for Home and Car Audio $179.98 |  |
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 |  | Helix Dsp.3S High-Res 8-Ch Dsp + Director Touchscreen Remote + Dmp Mounting New $1,099.00 |  |
 | Kicker 51Pxapt Pxa Dsp Programming Adapter & Pxa400.4 Weatherproof 4 Channel . $457.95 |  |
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 |  | Stetsom Eqx764 - 7 Band Eq Equalizer + Same Day Shipping from Usa! $61.00 |  |
 | Brand New Audiocontrol Dm-608 Dsp Digital Signal Processor $499.00 |  |
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 |  | Helix Dsp Pro Mk3 High-Res 10-Ch Dsp + Director Remote + Dmp Mount New $1,549.00 |  |
 | DigiTech Ips 33B Super Harmony Machine Digital Signal Processing Multi-Effects $249.99 |  |
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 |  | Galaxy Audio Jib/C 2 to 1 Xlr Mic Combiner $34.99 |  |
 | Art Dmv-Pro Dual True-Stereo 24 Bit Studio Effects Processor Project $29.99 |  |
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 |  | Chain Bridge Pro Audio Aby Channel Selector/Combiner 2 Way Amp Selector $139.95 |  |
 | Yamaha Spx900 Professional Multi-Effects Processor – Rackmount Unit $289.99 |  |
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 |  | AudioControl Epicenter Micro, Bass Restoration Processor & Line Output Converter $159.00 |  |
 | New AudioControl Dm-810 8 by 10 Channel Matrix Digital Signal Processor $600.00 |  |
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 |  | Bose Esp-880A ControlSpace Engineered Sound Processor $2,519.99 |  |
 | Clarion Mcd360 3-Way 6-Channel Input Electronic Crossover W/ 5-Volt Rca Outputs $149.99 |  |
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 |  | AudioControl Lc2i Pro 2-Channel Active Line Output Converter/Line Driver/Acr-1 $119.00 |  |
 | New ListingVtg Rare Audiobahn Aex500Q Car Stereo Audio Equalizer Crossover Rack Mount Eq $439.95 |  |
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 |  | Massive Audio Eq4 1/2 Din In-Dash 4-Band Car Graphic Eq With 8V Line Driver Eq-4 $44.99 |  |
 | New Honeywell P522Dc Dc Signal Processor $1,299.00 |  |
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 |  | Guitar Effects Processor, Midi Verb , Graphics Equalizer Rack Combo $240.00 |  |
 | Audio Control Dm-810 8 In 10 Channel Out 30 Bands Eq Dsp Matrix Processor New $779.00 |  |
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 |  | Qsc Q-Sys Core 510i Integrated System Processor $1,480.00 |  |
 | AudioControl # Four.1 Pre-Amp Line Driver Graphic Equalizer Aux Input Old School $374.99 |  |
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 |  | dbx ZonePro 1260m 12x6 Digital Zone Signal Processor $250.00 |  |
 | Hki Dsp Digital Crossover Audio Sound Processor $300.00 |  |
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 |  | New ListingAudioControl Dm-810 Premium 8 Input 10 Output Dsp Matrix Processor $779.00 |  |
 | Pfm Subsonic Filter AudioControl Epicenter Matrix Eql 3Xs 14pin 1% Metal Film $19.99 |  |
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 |  | Audiopipe Adsp-Clean4 Digital Signal Processor 1 In 4 Out Noise Reduction $65.88 |  |
 | Dd Audio Dsi-3 6 To 12 Channel Digital Signal Processor Bluetooth 31 Band Eq New $589.00 |  |
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 |  | Clarion Eqs-755 7-Band Graphic Equalizer W/ Front 3.5Mm Aux Input & Rear Rca Aux $98.95 |  |
 | Ds18 Digital Bass Processor With Hi to Low Signal Converter & Speaker Emulator $149.25 |  |
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 |  | Bss Audio Soundweb London Blu-50 Signal Processor With Blu Link - Bssblu50 $425.00 |  |
 | Helix Dsp Mini Mk2 High-Res 6-Ch Dsp + Director Remote + Dmp Mount New Warranty $899.00 |  |
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 |  | Rockford Fosgate 3Sixty.3 8Ch Signal Processor $325.00 |  |
 | Stetsom Tremor Stt42 - Digital Bass Restoration Processor $104.00 |  |
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 |  | Audio Control Digital Signal Processor Dqdx $350.00 |  |
 | AudioControl Epicenter Bass Restoration + Cerwin Vega 7 Band Equalizer Eq770 $326.99 |  |
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 |  | Rdl D-Rcx1-Rst-Ag Room Control for Rcx-5C Room Combiner, Decora $164.00 |  |
 | Ct Sounds Ct-7Eq 7 Band 1/2 Din Parametric Car Audio Equalizer with Aux Input $42.99 |  |
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 |  | A3S Audio Eq6Ap 6-Channel Analog Signal Processor, Eq And Crossover (Rdcarshow) $159.95 |  |
 | Stetsom Stx2448 Floating Dsp Digital Signal Processor Crossover Equalizer $104.99 |  |
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 |  | Ex-550i/25 Cdt Audio 2-Way Component Mids Tweeters "Optimized" Crossovers New $199.99 |  |
 | Nvx Xdsp28 15 Band Eq Dsp with Bluetooth - Sonic Electronix $109.99 |  |
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 |  | Helix V Eight Mk2 Dsp 8 Channel Dsp Amplifier Brand New ,1Year Warranty $1,299.00 |  |
 | Deejay Led Tbhmcd361 Vehicle Multi-Amplifier Crossover With Rca Inputs And Outpu $157.00 |  |
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 |  | Weather Proof Digital Signal Processor With 6 In To 6 Out Cerwin Vega Cvdsp66 $299.95 |  |
 | 2x4 Hd Digital Audio Signal Processor: Sound Quality Redefined with Dsp Power $575.99 |  |
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 |  | Stetsom Stx 2448 Floating - Dsp, Car Audio Processor, Rca & High Input $83.00 |  |
 | Audison Bit Ten Digital Signal Processor Used Compact Car Audio Dsp Tuning Unit $199.99 |  |
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 |  | New ListingExpert Electronics Px8.2 Hi Connect Bluetooth Audio Processor 8 Way Equalizer $84.99 |  |
 | Massive Audio Eq5Xp 6-Channel Line Output Converter Equalizer Signal Processor $234.59 |  |
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 |  | AudioControl Dm-810 Dsp Matrix Digital Signal Processor 8-Ch Input/10-Ch Output $599.00 |  |
 | Linear Power Xo-2 Xo2 (1986 new in box) 2-way old school xover crossover Usa $112.49 |  |
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 |  | Timpano Tpt-Eq7 10V 7 Band Graphic Car Audio Equalizer 6-Channel Rca Output $51.50 |  |
 | Marts Btx8 Bt Digital Signal Processor 8 Output 32Bits Res, 96Khz Smpl rate $125.88 |  |
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 |  | Rockford Fosgate Dsr1 8-Channel Signal Processor w/ iDatalink Maestro Module $269.00 |  |
 | Helix V Twelve Dsp Mk2 12 x 75w 14-Ch Dsp + Director Remote + Dmp - New $2,299.00 |  |
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 |  | Crestron Professional Distribution Processor Cnx-Bipad8 Guaranteed To Work 01 $61.98 |  |
 | Kaon Kacf-S660Hd Mpeg4Hd/H.264 Wireless Sd/Hd-Tv Digital Receiver Used Condition $45.00 |  |
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 |  | Unopened Panasonic Cq-Mrx909D Active Display Dsp/Cd/Md Sound Station $583.96 |  |
 | Autotek 7007 Multiple Source Signal Processor (Black) – .5 Inch Din, 2-Way,. $96.10 |  |
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 |  | Soundstream Bx-10 Bass Boost Reconstruction Processor Epicenter Epicentro $52.92 |  |
 | Timpano Dsp 4-Channel Tpt-Sp4Bt Car Audio Digital Signal Processor + Crossover $89.95 |  |
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 |  | Helix Dsp.3S High-Res 8-Ch Dsp + Hec Bt Hd Bluetooth High-Def Streaming $869.00 |  |
 | $1,299.00 |  |
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 |  | Ds18 Digital Bass Processor 2 Channel Preamp Input Output Epicenter Dbpm100.Mx $109.00 |  |
 | New 4Wd 5200W Digital Power Amplifier System 4 Channel 650 Watts PreAmp Stage $252.00 |  |
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 |  | Kenwood equalizer Kgc-4032 for Vehicles, Working $200.00 |  |
 | Rockville R7Eq 1/2 Din 7 Band Car Audio Equalizer Eq w/ Front, Rear + Sub Output $44.95 |  |
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 |  | Timpano Sp4Bt Bluetooth Dsp 4 Output Channel Full Digital Signal Car Processor $89.95 |  |
 | Kicker 51Pxapt Pxa Dsp Programming Adapter $49.99 |  |
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 |  | Raspberry Pi 58Gb Ram maximum capacity 8 Gb Frequency 2.4 G Combo packages E3 $176.43 |  |
 | Helix Dsp Pro Mk3 High-Res 10-Ch Dsp + Hec Bt Hd Bluetooth High-Def Streaming $1,299.00 |  |
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 |  | Jchici Tv Wall Processor Video Wall Controller 4K Hd Display Open Box No Remote $35.88 |  |
 | Williams Av Dlt-400 Digi-Wave transceiver, 400 version. $565.00 |  |
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| Click to see more Combination Signal Processors items at www.ebay.com
Prices current as of last update, 07/10/25 11:40pm.
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