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Pro digital reverb multi - pro,

Pro digital reverb multi - pro,

$49.49
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8sp dsp digital audio - 4.8sp,

8sp dsp digital audio - 4.8sp,

$293.55
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882i sonic maximizer audio - maximizer,

882i sonic maximizer audio - maximizer,

$115.00
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Audiocontrol acr remote - audiocontrol, acr-1

Audiocontrol acr remote - audiocontrol, acr-1

$29.99
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Nakamichi nds6120 channel - nds6120, 12-channel

Nakamichi nds6120 channel - nds6120, 12-channel

$142.19
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Nakamichi nds6120 channel - nakamichi,

Nakamichi nds6120 channel - nakamichi,

$115.00
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8sp dsp digital audio - 4.8sp,

8sp dsp digital audio - 4.8sp,

$293.55
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Recoil req7 car - recoil,

Recoil req7 car - recoil,

$42.99
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Audio control 810 - dm-810, 8

Audio control 810 - dm-810, 8

$615.00
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Sound magus ap12v3 - sound,

Sound magus ap12v3 - sound,

$729.95
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Eclipse dsp digital - eclipse, (digital

Eclipse dsp digital - eclipse, (digital

$225.00
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Ds18 dsp4 8btm - dsp, crossover

Ds18 dsp4 8btm - dsp, crossover

$199.00
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Ds18 car input - 4-input, 8-output

Ds18 car input - 4-input, 8-output

$199.96
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Power acoustik automotive - power,

Power acoustik automotive - power,

$225.00
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Creo lab studio flush mount - creo,

Creo lab studio flush mount - creo,

$36.00
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Dbx driverack equalization - dbx, pa+

Dbx driverack equalization - dbx, pa+

$95.00
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Eclipse hideaway dsp digital - eclipse,

Eclipse hideaway dsp digital - eclipse,

$145.00
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Soundxtreme car epicenter

Soundxtreme car epicenter

$39.99
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Nakamichi nds series - nakamichi, nds6120

Nakamichi nds series - nakamichi, nds6120

$105.00
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Audiobank ap15 digital bass - audiobank,

Audiobank ap15 digital bass - audiobank,

$39.99
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Alpine rux c701 pxa - alpine, rux-c701

Alpine rux c701 pxa - alpine, rux-c701

$429.99
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2024 pro digital - pro, reverb

2024 pro digital - pro, reverb

$52.08
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Symetrix 528e analog voice - symetrix,

Symetrix 528e analog voice - symetrix,

$139.00
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8sp 110v digital - 4.8sp,

8sp 110v digital - 4.8sp,

$293.55
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Osd preamplifier control - preamplifier,

Osd preamplifier control - preamplifier,

$119.99
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Fujitsu ten α4500p sound - ten,

Fujitsu ten α4500p sound - ten,

$650.00
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Bowstrick bos 7800 pro car - bowstrick, bos-7800

Bowstrick bos 7800 pro car - bowstrick, bos-7800

$399.90
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Audiocontrol epicenter micro - audiocontrol,

Audiocontrol epicenter micro - audiocontrol,

$219.00
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Jbl auto tune digital - auto,

Jbl auto tune digital - auto,

$270.00
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Rare sherwood dts80 car - rare,

Rare sherwood dts80 car - rare,

$275.00
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Alesis 3630 compressor - 3630,

Alesis 3630 compressor - 3630,

$79.99
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Pro stereo crossover xlr sound - xlr,

Pro stereo crossover xlr sound - xlr,

$145.99
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Bbe sound 482i sonic - bbe,

Bbe sound 482i sonic - bbe,

$89.90
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Bbe 362 sonic maximizer - bbe,

Bbe 362 sonic maximizer - bbe,

$30.00
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Meyer sound galileo - meyer,

Meyer sound galileo - meyer,

$2577.00
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8sp dsp digital - 4.8sp, audio

8sp dsp digital - 4.8sp, audio

$293.55
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Behringer tube ultrafex - tube,

Behringer tube ultrafex - tube,

$205.00
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Nakamichi nds6120 channel - nds6120, 12-channel

Nakamichi nds6120 channel - nds6120, 12-channel

$159.99
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Modtone sound exciter - sound,

Modtone sound exciter - sound,

$109.95
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Bss dpr 504 channel noise - 4-channel,

Bss dpr 504 channel noise - 4-channel,

$149.99
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Helix dsp - dsp.3s, (latest

Helix dsp - dsp.3s, (latest

$699.00
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Musysic professional audio - musysic,

Musysic professional audio - musysic,

$124.99
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8sp 110v dsp - 110v, processor

8sp 110v dsp - 110v, processor

$293.55
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Audiocontrol 810 car audio - dm-810,

Audiocontrol 810 car audio - dm-810,

$584.99
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Yamaha dsp natural sound - yamaha,

Yamaha dsp natural sound - yamaha,

$67.99
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Dynasty proaudio wsa 5rp - proaudio, wsa-5rp

Dynasty proaudio wsa 5rp - proaudio, wsa-5rp

$189.99
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Addzest dsp 979 vintage - addzest, dsp-979

Addzest dsp 979 vintage - addzest, dsp-979

$690.00
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Trinnov altitude channel - altitude, 16

Trinnov altitude channel - altitude, 16

$10920.00
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Nakamichi nds612 channel - nakamichi,

Nakamichi nds612 channel - nakamichi,

$142.19
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New discounted hertz dsp - new, h8

New discounted hertz dsp - new, h8

$475.00
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Audiobank ap12 digital machine - audiobank,

Audiobank ap12 digital machine - audiobank,

$38.99
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Mcintosh mx122 surround - mcintosh, a/v

Mcintosh mx122 surround - mcintosh, a/v

$3579.00
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Gravity car audio - car,

Gravity car audio - car,

$54.99
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Drive euphoria edsp31v2 31 - euphoria,

Drive euphoria edsp31v2 31 - euphoria,

$199.99
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Professional audio system - professional,

Professional audio system - professional,

$120.00
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Nakamichi nds6120 channel - nakamichi, 12-channel

Nakamichi nds6120 channel - nakamichi, 12-channel

$149.99
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Yamaha dsp digital - digital, sound

Yamaha dsp digital - digital, sound

$75.00
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New audiocontrol hyperion - new,

New audiocontrol hyperion - new,

$4999.95
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Dbx 215s 215 dual band - 215s, 15-band

Dbx 215s 215 dual band - 215s, 15-band

$98.00
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8sp 110v digital - 110v, dsp

8sp 110v digital - 110v, dsp

$309.00
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Arc audio ps8 pro signal - arc,

Arc audio ps8 pro signal - arc,

$800.00
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Memphis audio viv68dsp 8 - memphis, in

Memphis audio viv68dsp 8 - memphis, in

$347.99
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Very good dbx 1046 - good, quad

Very good dbx 1046 - good, quad

$99.99
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Bss sound web london - web, 800

Bss sound web london - web, 800

$399.99
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Soundstream bass boost - soundstream,

Soundstream bass boost - soundstream,

$57.99
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Audio dynamics dsp812 hifi - dynamics, dsp812-hifi

Audio dynamics dsp812 hifi - dynamics, dsp812-hifi

$1000.00
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Alpine pxe c60 optim6 - alpine, pxe-c60-60

Alpine pxe c60 optim6 - alpine, pxe-c60-60

$420.00
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Nakamichi nds6120 channel - nakamichi, 12-channel

Nakamichi nds6120 channel - nakamichi, 12-channel

$240.00
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Ds18 dsp2 6dbt channel - dsp2.6dbt, 2-channel

Ds18 dsp2 6dbt channel - dsp2.6dbt, 2-channel

$168.00
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8sp dsp digital audio - 4.8sp,

8sp dsp digital audio - 4.8sp,

$327.26
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Rare vintage rexer - rexer, dvp-3000

Rare vintage rexer - rexer, dvp-3000

$149.00
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Dbx driverack pa2 complete - dbx,

Dbx driverack pa2 complete - dbx,

$399.95
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Ds18 dsp8 8bt channel rca - ds18, 8

Ds18 dsp8 8bt channel rca - ds18, 8

$249.00
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Hki mini dsp sound processor - hki,

Hki mini dsp sound processor - hki,

$299.99
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Vintage dolby laboratories - vintage,

Vintage dolby laboratories - vintage,

$80.00
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Dbx harman pro - /,

Dbx harman pro - /,

$114.00
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Behringer ultraflex ex3100 - ultraflex, ii

Behringer ultraflex ex3100 - ultraflex, ii

$49.90
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Nakamichi nds6120 channel - nds6120, 12-channel

Nakamichi nds6120 channel - nds6120, 12-channel

$159.99
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Yamaha ddp natural sound - yamaha,

Yamaha ddp natural sound - yamaha,

$150.04
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8sp 110v digital dsp audio - 110v,

8sp 110v digital dsp audio - 110v,

$293.55
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New open box bose controlspace - new, open-box

New open box bose controlspace - new, open-box

$514.98
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Yamaha dsp 100u natural - natural, sound

Yamaha dsp 100u natural - natural, sound

$119.99
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Professional dsp audio - dsp,

Professional dsp audio - dsp,

$51.15
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Audiosource one series ii - ss,

Audiosource one series ii - ss,

$59.45
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1pc dbx venu360 - 1pc, driverack

1pc dbx venu360 - 1pc, driverack

$367.10
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Premium 2ch analog - 5.1,

Premium 2ch analog - 5.1,

$38.00
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Soundstream 10r bass - soundstream, bx-10r

Soundstream 10r bass - soundstream, bx-10r

$62.99
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Yamaha dsp natural - dsp-1, sound

Yamaha dsp natural - dsp-1, sound

$59.99
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Crestron xspa high - crestron, hd-xspa,

Crestron xspa high - crestron, hd-xspa,

$359.98
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Yamaha spx90 digital - spx90,

Yamaha spx90 digital - spx90,

$209.00
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Kuerl 4x80w android - 4x80w,

Kuerl 4x80w android - 4x80w,

$29.95
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Dod sr234 stereo crossover - dod,

Dod sr234 stereo crossover - dod,

$73.65
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Fujitsu ten α4000pha sound - fujitsu,

Fujitsu ten α4000pha sound - fujitsu,

$690.00
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Alpine era g320 - alpine, sound

Alpine era g320 - alpine, sound

$2790.00
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Yamaha emt sound expander - emt-10,

Yamaha emt sound expander - emt-10,

$85.00
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Prv audio dsp crossover - dsp,

Prv audio dsp crossover - dsp,

$99.91
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📊96 listings · from $29.95 · avg $475.59

Browse 96 sound processors listings currently in our index. Prices range from $29.95 to $10920, with an average of $475.59. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about sound processors →

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Everything you need to know about sound processors

Whether you are looking for a brand-new or second-hand sound processors, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $29.95, while premium listings can reach $10920 — giving you a wide budget spread to work with. The average price of $475.59 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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