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?
 Electric Guitar Month! Shop deals & special financing. Call 888-688-0208 or chat for more deals! Electric Guitar Month! 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

(143 Items)
Clear All
Used Phonic DFX256 Multi Effects Processor
Used Phonic DFX256 Multi Effects Processor
Product Price  $39.99
$79.99
Great Condition
Used Two Notes Engineering Torpedo Captor 8 Exciter
Used Two Notes Engineering Torpedo Captor 8 Exciter
Product Price  $244.99
$399.99
Great Condition
Used Mooer PRIME P1 Multi Effects Processor
Used Mooer PRIME P1 Multi Effects Processor
Product Price  $59.99
$69.99
Great Condition
Used Avalon VT737SP-B Pure Class A Tube Microphone Preamp
Used Avalon VT737SP-B Pure Class A Tube Microphone Preamp
Product Price  $3,099.99
$3,499.99
Great Condition
Used Fractal Audio Axe-FX Multi Effects Processor
Used Fractal Audio Axe-FX Multi Effects Processor
Product Price  $499.99
$599.99
Great Condition
Used Nady DMP-2 Exciter
Used Nady DMP-2 Exciter
Product Price  $24.99
$40.99
Great Condition
Used MOTU Traveler MK3 Signal Processor
Used MOTU Traveler MK3 Signal Processor
Product Price  $219.99
$325.99
Great Condition
Used TC Helicon VOICE PRO PROFESSIONAL VOICE PROCESSOR Vocal Processor
Used TC Helicon VOICE PRO PROFESSIONAL VOICE PROCESSOR...
Product Price  $2,499.99
$3,500.99
Great Condition
Used Peavey TEN BAND GRAPHIC EQUALZIER Equalizer
Used Peavey TEN BAND GRAPHIC EQUALZIER Equalizer
Product Price  $149.99
$249.99
Great Condition
Used Fractal Audio AXE-FX Multi Effects Processor
Used Fractal Audio AXE-FX Multi Effects Processor
Product Price  $549.99
$809.99
Great Condition
Used Neewer LIFTER Direct Box
Used Neewer LIFTER Direct Box
Product Price  $29.99
$48.99
Great Condition
Used TC Helicon VoiceLive Vocal Processor
Used TC Helicon VoiceLive Vocal Processor
Product Price  $319.99
$399.99
Great Condition
Used Soundcraft MINI STAGEBOX 32 Signal Processor
Used Soundcraft MINI STAGEBOX 32 Signal Processor
Product Price  $1,499.99
$2,099.99
Great Condition
Used Weiss EQ1DS Equalizer
Used Weiss EQ1DS Equalizer
Product Price  $5,299.99
$7,499.99
Great Condition
Used Peavey ULTRAVERB II Effects Processor
Used Peavey ULTRAVERB II Effects Processor
Product Price  $99.99
$199.99
Great Condition
Used Inovonics model 220 Compressor
Used Inovonics model 220 Compressor
Product Price  $699.99
$849.99
Great Condition
Used Interphase Carbon Rack Equipment
Used Interphase Carbon Rack Equipment
Product Price  $319.99
$499.99
Great Condition
Used Hughes & Kettner RED BOX MKII Direct Box
Used Hughes & Kettner RED BOX MKII Direct Box
Product Price  $79.99
$99.99
Great Condition
Used Furman hds6 Signal Processor
Used Furman hds6 Signal Processor
Product Price  $290.69
$379.99
Great Condition
Used Peterson AUTOSTROBE
Used Peterson AUTOSTROBE
Product Price  $769.99
$919.99
Great Condition
Used Apogee Big Ben 192k Master Digital Clock
Used Apogee Big Ben 192k Master Digital Clock
Product Price  $419.99
$579.99
Great Condition
Used BSS Audio 2x BSS msr-604 Signal Processor
Used BSS Audio 2x BSS msr-604 Signal Processor
Product Price  $319.99
$496.99
Great Condition
Used Antelope Audio Isochrone OCX Master Clock Generator Digital Clock
Used Antelope Audio Isochrone OCX Master Clock Generator...
Product Price  $339.99
$499.99
Great Condition
Used BSS Audio MSR-604 Signal Processor
Used BSS Audio MSR-604 Signal Processor
Product Price  $109.99
$199.99
Great Condition
Used Sabine GRAPHI-Q Multi Effects Processor
Used Sabine GRAPHI-Q Multi Effects Processor
Product Price  $29.99
$69.99
Great Condition
Used dbx iEQ-31 Graphic Equalizer
Used dbx iEQ-31 Graphic Equalizer
Product Price  $399.99
$824.99
Great Condition
Used BSS Audio MSR-604 Microphone Preamp
Used BSS Audio MSR-604 Microphone Preamp
Product Price  $99.99
$199.99
Great Condition
Used Klark Teknik 76-Kt Compressor
Used Klark Teknik 76-Kt Compressor
Product Price  $389.99
$449.99
Great Condition
Used Art ProSplit High Performance Mic Splitter Microphone Preamp
Used Art ProSplit High Performance Mic Splitter Microphone...
Product Price  $59.99
$69.99
Great Condition
Used DBX PROFFESSIONAL PRODUCTS MC6 MINI COMP Compressor
Used DBX PROFFESSIONAL PRODUCTS MC6 MINI COMP Compressor
Product Price  $159.99
$169.99
Great Condition
Used Two Notes AUDIO ENGINEERING Torpedo C.A.B. speaker Cab Simulator Signal Processor
Used Two Notes AUDIO ENGINEERING Torpedo C.A.B. speaker Cab...
Product Price  $118.99
$199.99
Great Condition
Used Boss CL-50 Compressor
Used Boss CL-50 Compressor
Product Price  $189.99
$350.99
Great Condition
Used dbx VENUE360 Signal Processor
Used dbx VENUE360 Signal Processor
Product Price  $599.99
$699.99
Good Condition
Used Atlas Sound APS15R
Used Atlas Sound APS15R
Product Price  $99.99
$134.99
Good Condition
Used Biamp EQ/210 Equalizer
Used Biamp EQ/210 Equalizer
Product Price  $69.99
$99.99
Good Condition
Used Black Box ABC SWITCHING BOX Direct Box
Used Black Box ABC SWITCHING BOX Direct Box
Product Price  $99.99
$139.99
Good Condition
Used Stellar Labs NL4 SPLIT Signal Processor
Used Stellar Labs NL4 SPLIT Signal Processor
Product Price  $29.99
$34.99
Good Condition
Used Warm Audio Warm Lifter Microphone Preamp
Used Warm Audio Warm Lifter Microphone Preamp
Product Price  $124.99
$144.99
Good Condition
Used TASCAM DX 4D Noise Gate
Used TASCAM DX 4D Noise Gate
Product Price  $89.99
$119.99
Good Condition
Used Joemeek Pro Channel VC3Q Multi Effects Processor
Used Joemeek Pro Channel VC3Q Multi Effects Processor
Product Price  $229.99
$249.99
Good Condition
Used Solid State Logic SSL X-Rack 8-Slot Rack Equipment
Used Solid State Logic SSL X-Rack 8-Slot Rack Equipment
Product Price  $427.99
$699.99
Good Condition
Used AB International Amplifiers 231 Equalizer
Used AB International Amplifiers 231 Equalizer
Product Price  $64.99
$79.99
Good Condition
Used Yamaha SPX990 Multi Effects Processor
Used Yamaha SPX990 Multi Effects Processor
Product Price  $329.99
$379.99
Good Condition
Used Nady CX22SW Signal Processor
Used Nady CX22SW Signal Processor
Product Price  $49.99
$99.99
Good Condition
Used Peavey ULTRAVERB II Multi Effects Processor
Used Peavey ULTRAVERB II Multi Effects Processor
Product Price  $119.99
$179.99
Good Condition
Used Behringer Composer Pro-XL MDX2600 Compressor
Used Behringer Composer Pro-XL MDX2600 Compressor
Product Price  $409.99
$449.99
Good Condition
Used Event ECHO Effects Processor
Used Event ECHO Effects Processor
Product Price  $34.99
$39.99
Good Condition
Used dbx 223S Crossover
Used dbx 223S Crossover
Product Price  $149.99
$179.99
Good Condition
Used QSC dsp-30 Channel Strip
Used QSC dsp-30 Channel Strip
Product Price  $49.99
$79.99
Good Condition
Used MOTU TRAVELER Microphone Preamp
Used MOTU TRAVELER Microphone Preamp
Product Price  $199.99
$324.99
Good Condition
Used DAS AUDIO OF AMERICA DSP-2060A Equalizer
Used DAS AUDIO OF AMERICA DSP-2060A Equalizer
Product Price  $1,999.99
$2,599.99
Good Condition
Used Mooer PRIME P1 Multi Effects Processor
Used Mooer PRIME P1 Multi Effects Processor
Product Price  $44.99
$69.99
Good Condition
Used BOSS CL-50 Compressor
Used BOSS CL-50 Compressor
Product Price  $159.99
$199.99
Good Condition
Used MESA/Boogie Subway Bass DI-Preamp Direct Box
Used MESA/Boogie Subway Bass DI-Preamp Direct Box
Product Price  $249.99
$299.99
Good Condition
Used Xta Electronics GQ600 GRAPHIC EQ Equalizer
Used Xta Electronics GQ600 GRAPHIC EQ Equalizer
Product Price  $269.99
$299.99
Good Condition
Used Nady GEQ 131 Equalizer
Used Nady GEQ 131 Equalizer
Product Price  $59.99
$74.99
Good Condition
Used Focusrite OCTOPRE Microphone Preamp
Used Focusrite OCTOPRE Microphone Preamp
Product Price  $539.99
$599.99
Good Condition
Used Rane ME 60 Equalizer
Used Rane ME 60 Equalizer
Product Price  $79.99
$99.99
Good Condition
Used Positive Grid Bias Rack Processor Signal Processor
Used Positive Grid Bias Rack Processor Signal Processor
Product Price  $249.99
$349.99
Good Condition
Used Studio Technologies STUDIO COMM Signal Processor
Used Studio Technologies STUDIO COMM Signal Processor
Product Price  $119.99
$159.99
Good Condition