Why Shop With Us?

Free Shipping

Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).

Orders placed before 3 p.m. ET usually ship the same business day.

Learn More

2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details

We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us

Contact Us

Call Now
800-449-9128

Hablamos Español

866.226.2919

Let's Chat
Live Chat

Hours:

MON - FRI 6 AM – 7 PM PT

SAT 7 AM – 6 PM PT

SUN 8 AM – 5 PM PT

Track your order Returns FAQs Make a Card Payment
Empty Cart Icon

Your Cart Is Empty

Sign In < Continue Shopping
Why Shop With Us?
 Shop Rocktober! Shop deals & special financing*. Call 888-688-0208 or chat for exclusive savings. Rocktober! Deals & special financing*
RewardsBlogHelp

Contact Us

800-449-9128
Cart
Back
Shop by Category
Hot Deals

Help | Call or Chat

 Track your orderReturnsFAQsMake a card paymentWhy shop with us? RewardsBlogHelp
Home Pro Audio Signal Processors Used Signal Processors

Used Signal Processors

(2139 Items)
Clear All
Used Summit Audio MPC-100A Channel Strip
Used Summit Audio MPC-100A Channel Strip
Product Price  $1,699.99
Great Condition
Used Lexicon 480L w/ LARC and Classic Cartridge Effects Processor
Used Lexicon 480L w/ LARC and Classic Cartridge Effects...
Product Price  $7,249.99
Great Condition
Used Manley massive Passive stereo EQ Equalizer
Used Manley massive Passive stereo EQ Equalizer
Product Price  $5,899.99
Great Condition
Used Hrk C533 Equalizer
Used Hrk C533 Equalizer
Product Price  $224.99
Great Condition
Used Hrk C533 Equalizer
Used Hrk C533 Equalizer
Product Price  $224.99
Great Condition
Used Hrk C533 Equalizer
Used Hrk C533 Equalizer
Product Price  $224.99
Great Condition
Used Universal Audio Twin-Finity 710 Pre Amp Microphone Preamp
Used Universal Audio Twin-Finity 710 Pre Amp Microphone...
Product Price  $699.99
Great Condition
Used Behringer PX3000 Ultrapatch Pro Patch Bay
Used Behringer PX3000 Ultrapatch Pro Patch Bay
Product Price  $54.99
Great Condition
Used Behringer MIC100 Microphone Preamp
Used Behringer MIC100 Microphone Preamp
Product Price  $56.99
Great Condition
Used LR Baggs Venue DI Direct Box
Used LR Baggs Venue DI Direct Box
Product Price  $179.99
Great Condition
Used Behringer MDX4400 Compressor
Used Behringer MDX4400 Compressor
Product Price  $84.99
Great Condition
Used Fulode FX-888 Equalizer
Used Fulode FX-888 Equalizer
Product Price  $59.99
Good Condition
Used Behringer MDX4600 Compressor
Used Behringer MDX4600 Compressor
Product Price  $39.99
Good Condition
Used Behringer MDX4600 Compressor
Used Behringer MDX4600 Compressor
Product Price  $39.99
Good Condition
Used dbx 163X Compressor
Used dbx 163X Compressor
Product Price  $99.99
Good Condition
Used Sansui RG-707 Equalizer
Used Sansui RG-707 Equalizer
Product Price  $199.99
Good Condition
Used Cloud Microphones Cloudlifter CL-1 Microphone Preamp
Used Cloud Microphones Cloudlifter CL-1 Microphone Preamp
Product Price  $89.99
Good Condition
Used TC Helicon Harmony GTX Vocal Processor
Used TC Helicon Harmony GTX Vocal Processor
Product Price  $139.99
Good Condition
Used Behringer Feedback Destroyer Pro FBQ2496 Feedback Suppressor
Used Behringer Feedback Destroyer Pro FBQ2496 Feedback...
Product Price  $86.99
Good Condition
Used ADA Signal Processors MicroCab Miked Guitar Cabinet Emulator Signal Processor
Used ADA Signal Processors MicroCab Miked Guitar Cabinet...
Product Price  $149.99
Good Condition
Used PreSonus QUANTUM ES4 Signal Processor
Used PreSonus QUANTUM ES4 Signal Processor
Product Price  $249.99
Good Condition
Used DOD SR231QXLR Graphic Equalizer
Used DOD SR231QXLR Graphic Equalizer
Product Price  $59.99
Good Condition
Used Peavey PV 215EQ Equalizer
Used Peavey PV 215EQ Equalizer
Product Price  $104.99
Good Condition
Used Lexicon LXP-5 Multi Effects Processor
Used Lexicon LXP-5 Multi Effects Processor
Product Price  $119.99
Good Condition
Used Focusrite TrakMaster Pro Channel Strip
Used Focusrite TrakMaster Pro Channel Strip
Product Price  $84.99
Good Condition
Used Moog Theremin Vocal Processor
Used Moog Theremin Vocal Processor
Product Price  $699.99
Good Condition
Used JBL Active 1 Signal Processor
Used JBL Active 1 Signal Processor
Product Price  $79.99
Good Condition
Used Rapco Horizon PASSIVE Direct Box
Used Rapco Horizon PASSIVE Direct Box
Product Price  $29.99
Good Condition
Used DigiTech RDS1900 Effects Processor
Used DigiTech RDS1900 Effects Processor
Product Price  $109.99
Good Condition
Used Focusrite ISA220 Channel Strip
Used Focusrite ISA220 Channel Strip
Product Price  $749.99
Good Condition
Used BBE SONIC MAXIMIZER 322 Exciter
Used BBE SONIC MAXIMIZER 322 Exciter
Product Price  $68.99
Good Condition
Used Klark Teknik EQPKT PROGRAM EQUALISER Equalizer
Used Klark Teknik EQPKT PROGRAM EQUALISER Equalizer
Product Price  $219.99
Good Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $74.99
Good Condition
Used Radial Engineering Key-Largo Direct Box
Used Radial Engineering Key-Largo Direct Box
Product Price  $339.99
Good Condition
Used Mackie MDB2P Direct Box
Used Mackie MDB2P Direct Box
Product Price  $50.99
Good Condition
Used 2008 Bbe Sound 362 Sonic Maximizer Exciter
Used 2008 Bbe Sound 362 Sonic Maximizer Exciter
Product Price  $38.99
Good Condition
Used Alesis MidiVerb 4 Multi Effects Processor
Used Alesis MidiVerb 4 Multi Effects Processor
Product Price  $109.99
Good Condition
Used Art Pro Audio P48 Patch Bay
Used Art Pro Audio P48 Patch Bay
Product Price  $49.99
Good Condition
Used Electro-Harmonix Voicebox Vocal Harmony Vocoder Vocal Processor
Used Electro-Harmonix Voicebox Vocal Harmony Vocoder Vocal...
Product Price  $139.99
Good Condition
Used Sabine FBX2020 Feedback Suppressor
Used Sabine FBX2020 Feedback Suppressor
Product Price  $99.99
Good Condition
Used Behringer ADI21 V-Tone Acoustic Driver Direct Box
Used Behringer ADI21 V-Tone Acoustic Driver Direct Box
Product Price  $19.99
Good Condition
Used Warm Audio WA76 limiting amplifier Compressor
Used Warm Audio WA76 limiting amplifier Compressor
Product Price  $299.99
Good Condition
Used Zoom V3 Vocal Processor
Used Zoom V3 Vocal Processor
Product Price  $139.99
Good Condition
Used AUDIO LOGIC MT66 Compressor
Used AUDIO LOGIC MT66 Compressor
Product Price  $39.99
Good Condition
Used dbx 266A Compressor
Used dbx 266A Compressor
Product Price  $58.99
Good Condition
Used Black Lion Audio pbr lit3 Patch Bay
Used Black Lion Audio pbr lit3 Patch Bay
Product Price  $649.99
Good Condition
Used Rupert Neve Designs 545 Rack Equipment
Used Rupert Neve Designs 545 Rack Equipment
Product Price  $519.99
Good Condition
Used Rupert Neve Designs 511 RACK Rack Equipment
Used Rupert Neve Designs 511 RACK Rack Equipment
Product Price  $499.99
Good Condition
Used Behringer Ultra DI Pro Direct Box
Used Behringer Ultra DI Pro Direct Box
Product Price  $59.99
Good Condition
Used dbx Driverack 241 Signal Processor
Used dbx Driverack 241 Signal Processor
Product Price  $89.99
Good Condition
Used Hotone Effects B STATION Direct Box
Used Hotone Effects B STATION Direct Box
Product Price  $124.99
Good Condition
Used Art Pro MPA II Microphone Preamp
Used Art Pro MPA II Microphone Preamp
Product Price  $249.99
Good Condition
Used Art Pro MPA II Microphone Preamp
Used Art Pro MPA II Microphone Preamp
Product Price  $249.99
Good Condition
Used Nady GEO 215 Equalizer
Used Nady GEO 215 Equalizer
Product Price  $49.99
Good Condition
Used Warm Audio WA76 Compressor
Used Warm Audio WA76 Compressor
Product Price  $351.99
Good Condition
Used Warm Audio EQP Equalizer
Used Warm Audio EQP Equalizer
Product Price  $399.99
Good Condition
Used dbx 166A Compressor
Used dbx 166A Compressor
Product Price  $79.99
Good Condition
Used TC Helicon VoiceLive Rack Vocal Processor
Used TC Helicon VoiceLive Rack Vocal Processor
Product Price  $449.99
Good Condition
Used Whirlwind IPM2 Direct Box
Used Whirlwind IPM2 Direct Box
Product Price  $49.99
Good Condition
Used BBE Sonic Maximizer 462 Exciter
Used BBE Sonic Maximizer 462 Exciter
Product Price  $99.99
Good Condition