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?
 Used Gear Sale - Take an extra 15% off price dropped gear - Call 888-688-0208 or chat for even more savings! Extra 15% Off Used Price Drops
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

(1538 Items)
Clear All
Used Furman Q1312v Equalizer
Used Furman Q1312v Equalizer
Product Price  $199.99
Excellent Condition
Used Fredenstein Professional Audio artistic compressor plus Rack Equipment
Used Fredenstein Professional Audio artistic compressor...
Product Price  $219.99
Excellent Condition
Used Fredenstein Professional Audio artistic compressor plus Rack Equipment
Used Fredenstein Professional Audio artistic compressor...
Product Price  $209.99
Excellent Condition
Used TC Helicon CRITICAL MASS Vocal Processor
Used TC Helicon CRITICAL MASS Vocal Processor
Product Price  $114.99
Excellent Condition
Used Lindell Audio 503 Rack Equipment
Used Lindell Audio 503 Rack Equipment
Product Price  $229.99
Excellent Condition
Used Alto RSA 27 Exciter
Used Alto RSA 27 Exciter
Product Price  $149.99
Excellent Condition
Used Heritage Audio Tubesessor Optical Tube Compressor Compressor
Used Heritage Audio Tubesessor Optical Tube Compressor...
Product Price  $1,399.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $104.99
Excellent Condition
Used AEA Microphones RPQ2 Microphone Preamp
Used AEA Microphones RPQ2 Microphone Preamp
Product Price  $1,299.99
Excellent Condition
Used Roland E4 Vocal Processor
Used Roland E4 Vocal Processor...
Product Price  $189.99
Excellent Condition
Used Klark Teknik KT-2A Compressor
Used Klark Teknik KT-2A Compressor
Product Price  $489.99
Excellent Condition
Used Focusrite OctoPre LE Microphone Preamp
Used Focusrite OctoPre LE Microphone Preamp
Product Price  $449.99
Excellent Condition
Used MXR delay system 2 Exciter
Used MXR delay system 2 Exciter
Product Price  $1,499.99
Excellent Condition
Used Golden Age Project Comp-3A Compressor
Used Golden Age Project Comp-3A Compressor
Product Price  $489.99
Excellent Condition
Used Rupert Neve Designs Portico II Master Buss Processor Compressor
Used Rupert Neve Designs Portico II Master Buss Processor...
Product Price  $4,399.99
Excellent Condition
Used Solid State Logic E-DYN 611 Rack Equipment
Used Solid State Logic E-DYN 611 Rack Equipment
Product Price  $749.99
Excellent Condition
Used Hosa MXL-369 Patch Bay
Used Hosa MXL-369 Patch Bay
Product Price  $69.99
Excellent Condition
Used TC Helicon Voicetone H1 Vocal Processor
Used TC Helicon Voicetone H1 Vocal Processor
Product Price  $114.99
Excellent Condition
Used Art XPATCH Patch Bay
Used Art XPATCH Patch Bay
Product Price  $54.99
Excellent Condition
Used Badaax DB 1 Patch Bay
Used Badaax DB 1 Patch Bay
Product Price  $35.99
Excellent Condition
Used TC Helicon Voicetone H1 Vocal Processor
Used TC Helicon Voicetone H1 Vocal Processor
Product Price  $114.99
Excellent Condition
Used Rupert Neve Designs RNDI-M-04575 Direct Box
Used Rupert Neve Designs RNDI-M-04575 Direct Box
Product Price  $229.99
Excellent Condition
Used Rupert Neve Designs RNDI-M-04576 Direct Box
Used Rupert Neve Designs RNDI-M-04576 Direct Box
Product Price  $229.99
Excellent Condition
Used Rupert Neve Designs BAE 8-CHANNEL RACK (RACK ONLY WITH POWER SUPPLY) Rack Equipment
Used Rupert Neve Designs BAE 8-CHANNEL RACK (RACK ONLY WITH...
Product Price  $1,749.99
Excellent Condition
Used Universal Audio Solo 610 Microphone Preamp
Used Universal Audio Solo 610 Microphone Preamp
Product Price  $1,099.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $109.99
Excellent Condition
Used Two Notes AUDIO ENGINEERING TORPEDO CAPTOR 16 Direct Box
Used Two Notes AUDIO ENGINEERING TORPEDO CAPTOR 16 Direct...
Product Price  $199.99
Excellent Condition
Used Avalon U5 Pure Class A Mono Direct Box
Used Avalon U5 Pure Class A Mono Direct Box
Product Price  $799.99
Excellent Condition
Used Lake Audio F355A Microphone Preamp
Used Lake Audio F355A Microphone Preamp
Product Price  $2,299.99
Excellent Condition
Used Universal Audio LA2A Compressor
Used Universal Audio LA2A Compressor
Product Price  $134.99
Excellent Condition
Used Universal Audio LA2A Compressor
Used Universal Audio LA2A Compressor
Product Price  $134.99
Excellent Condition
Used Synthrotek Mst Midi To CV Noise Gate
Used Synthrotek Mst Midi To CV Noise Gate
Product Price  $144.99
Excellent Condition
Used Clouds Texture Synth Exciter Exciter
Used Clouds Texture Synth Exciter Exciter
Product Price  $289.99
Excellent Condition
Used Alm Akemie's Castle Vocal Processor
Used Alm Akemie's Castle Vocal Processor
Product Price  $579.99
Excellent Condition
Used Tip Top Trigger Riot Multi Effects Processor
Used Tip Top Trigger Riot Multi Effects Processor
Product Price  $329.99
Excellent Condition
Used Doefer A-111-6 Vocal Processor
Used Doefer A-111-6 Vocal Processor
Product Price  $244.99
Excellent Condition
Used Behringer 305 Signal Processor
Used Behringer 305 Signal Processor
Product Price  $104.99
Excellent Condition
Used Intellijel Atlantis Vocal Processor
Used Intellijel Atlantis Vocal Processor
Product Price  $599.99
Excellent Condition
Used Tip Top Zverb Effects Processor
Used Tip Top Zverb Effects Processor
Product Price  $174.99
Excellent Condition
Used Chameleon Labs 7603 XMOD Microphone Preamp
Used Chameleon Labs 7603 XMOD Microphone Preamp
Product Price  $999.99
Excellent Condition
Used LR Baggs VOICEPRINT DI Direct Box
Used LR Baggs VOICEPRINT DI Direct Box
Product Price  $299.99
Excellent Condition
Used sE Electronics DM2 Microphone Preamp
Used sE Electronics DM2 Microphone Preamp
Product Price  $104.99
Excellent Condition
Used Avalon VT737SP Class A Mono Tube Microphone Preamp
Used Avalon VT737SP Class A Mono Tube Microphone Preamp
Product Price  $1,999.99
Excellent Condition
Used American DJ Pow-r bar Signal Processor
Used American DJ Pow-r bar Signal Processor
Product Price  $99.99
Excellent Condition
Used ProCo Switch Signal Processor
Used ProCo Switch Signal Processor
Product Price  $299.99
Excellent Condition
Used Warm Audio WA73 Microphone Preamp
Used Warm Audio WA73 Microphone Preamp
Product Price  $499.99
Excellent Condition
Used Rupert Neve Designs Portico 517 Microphone Preamp
Used Rupert Neve Designs Portico 517 Microphone Preamp
Product Price  $699.99
Excellent Condition
Used Rupert Neve Designs Portico 511 Microphone Preamp
Used Rupert Neve Designs Portico 511 Microphone Preamp
Product Price  $649.99
Excellent Condition
Used Livewire spdi Direct Box
Used Livewire spdi Direct Box
Product Price  $29.99
Excellent Condition
Used AUDIO ACCESSORIES WDBP-9615-SH Patch Bay
Used AUDIO ACCESSORIES WDBP-9615-SH Patch Bay
Product Price  $2,499.99
Excellent Condition
Used Klark Teknik EQP-KT Equalizer
Used Klark Teknik EQP-KT Equalizer
Product Price  $299.99
Excellent Condition
Used Warm Audio BUS-COMP Compressor
Used Warm Audio BUS-COMP Compressor
Product Price  $554.99
Excellent Condition
Used Ga Project Pre-73 Jr Exciter
Used Ga Project Pre-73 Jr Exciter
Product Price  $239.99
Excellent Condition
Used Dangerous Music COMPRESSOR Compressor
Used Dangerous Music COMPRESSOR Compressor
Product Price  $2,699.99
Excellent Condition
Used Universal Audio LA610 MKII Channel Strip
Used Universal Audio LA610 MKII Channel Strip
Product Price  $1,349.99
Excellent Condition
Used Roland E-4 VOICE TWEAKER Vocal Processor
Used Roland E-4 VOICE TWEAKER Vocal Processor
Product Price  $219.99
Excellent Condition
Used TC Helicon Voicetone H1 Vocal Processor
Used TC Helicon Voicetone H1 Vocal Processor
Product Price  $119.99
Excellent Condition
Used Solid State Logic The Bus+ Compressor
Used Solid State Logic The Bus+ Compressor
Product Price  $2,499.99
Excellent Condition
Used Black Lion Audio SEVENTEEN 500 Rack Equipment
Used Black Lion Audio SEVENTEEN 500 Rack Equipment
Product Price  $449.99
Excellent Condition
Used Warm Audio WA-MPX Microphone Preamp
Used Warm Audio WA-MPX Microphone Preamp
Product Price  $675.99
Excellent Condition