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

(147 Items)
Clear All
Used Weiss EQ1DS Equalizer
Used Weiss EQ1DS Equalizer
Product Price  $5,499.99
$7,499.99
Great Condition
Used Line 6 POD HD Pro X Multi Effects Processor
Used Line 6 POD HD Pro X Multi Effects Processor
Product Price  $319.99
$350.99
Great Condition
Used Summit Audio TLA-50 Compressor
Used Summit Audio TLA-50 Compressor
Product Price  $599.99
$669.99
Great Condition
Used Inovonics Model 220 Compressor
Used Inovonics Model 220 Compressor
Product Price  $799.99
$849.99
Great Condition
Used Interphase Carbon Rack Equipment
Used Interphase Carbon Rack Equipment
Product Price  $399.99
$499.99
Great Condition
Used Aphex Model 1788 Microphone Preamp
Used Aphex Model 1788 Microphone Preamp
Product Price  $1,199.99
$1,299.99
Great Condition
Used Broughton ELECTRONIC TUBE DIRECT INJECTION Direct Box
Used Broughton ELECTRONIC TUBE DIRECT INJECTION Direct Box
Product Price  $249.99
$299.99
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 Warm Audio Bus Compressor Compressor
Used Warm Audio Bus Compressor Compressor
Product Price  $499.99
$599.99
Great Condition
Used Apogee aD8000 Signal Processor
Used Apogee aD8000 Signal Processor
Product Price  $429.99
$499.99
Great Condition
Used Peterson AUTOSTROBE
Used Peterson AUTOSTROBE
Product Price  $819.99
$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 Four Star Wire & Cable 24 Input Snake Signal Processor
Used Four Star Wire & Cable 24 Input Snake Signal Processor
Product Price  $299.99
$849.99
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 BBE di 100 Direct Box
Used BBE di 100 Direct Box
Product Price  $69.99
$109.99
Great Condition
Used DOEPFER A-131 VCA Patch Bay
Used DOEPFER A-131 VCA Patch Bay
Product Price  $79.99
$114.99
Great Condition
Used Antelope Audio Isochrone OCX Master Clock Generator Digital Clock
Used Antelope Audio Isochrone OCX Master Clock Generator...
Product Price  $379.99
$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  $59.99
$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 Fractal Audio axe-Fx Multi Effects Processor
Used Fractal Audio axe-Fx Multi Effects Processor
Product Price  $519.99
$549.99
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 Victory V4 Copper Preamp Direct Box
Used Victory V4 Copper Preamp Direct Box
Product Price  $349.99
$899.99
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 Sabine FBX1020 Feedback Suppressor
Used Sabine FBX1020 Feedback Suppressor
Product Price  $79.99
$139.99
Great Condition
Used Slate Digital VMS One Microphone Preamp
Used Slate Digital VMS One Microphone Preamp
Product Price  $249.99
$349.99
Great Condition
Used Boss CL-50 Compressor
Used Boss CL-50 Compressor
Product Price  $209.99
$350.99
Great Condition
Used Peavey ULTRAVERB II Multi Effects Processor
Used Peavey ULTRAVERB II Multi Effects Processor
Product Price  $149.99
$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 Rapco Horizon DB-1 Signal Processor
Used Rapco Horizon DB-1 Signal Processor
Product Price  $19.99
$29.99
Good Condition
Used ADA Signal Processors GCS-6 Exciter
Used ADA Signal Processors GCS-6 Exciter
Product Price  $129.99
$149.99
Good Condition
Used Mooer PRIME P1 Multi Effects Processor
Used Mooer PRIME P1 Multi Effects Processor
Product Price  $47.99
$69.99
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  $69.99
$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  $89.99
$99.99
Good Condition
Used Rane 216s Signal Processor
Used Rane 216s Signal Processor
Product Price  $39.99
$49.99
Good Condition
Used Line 6 POD HD PRO Multi Effects Processor
Used Line 6 POD HD PRO Multi Effects Processor
Product Price  $199.99
$249.99
Good Condition
Used BBE MaxCom Dual-Channel Compressor
Used BBE MaxCom Dual-Channel Compressor
Product Price  $89.99
$129.99
Good Condition
Used Gem Sound GL-99 Channel Strip
Used Gem Sound GL-99 Channel Strip
Product Price  $39.99
$49.99
Good Condition
Used Positive Grid Bias Rack Processor Signal Processor
Used Positive Grid Bias Rack Processor Signal Processor
Product Price  $319.99
$349.99
Good Condition
Used Focusrite MH445 Liquid Channel Channel Strip
Used Focusrite MH445 Liquid Channel Channel Strip
Product Price  $679.99
$799.99
Good Condition
Used Studio Technologies STUDIO COMM Signal Processor
Used Studio Technologies STUDIO COMM Signal Processor
Product Price  $119.99
$159.99
Good Condition
Used Coleman Audio MS6R Signal Processor
Used Coleman Audio MS6R Signal Processor
Product Price  $319.99
$399.99
Good Condition
Used Coleman Audio MS6R Signal Processor
Used Coleman Audio MS6R Signal Processor
Product Price  $319.99
$399.99
Good Condition
Used Coleman Audio CMC4 Signal Processor
Used Coleman Audio CMC4 Signal Processor
Product Price  $349.99
$499.99
Good Condition
Used Electra 535GA Equalizer
Used Electra 535GA Equalizer
Product Price  $79.99
$99.99
Good Condition
Used Apex model 105 Compressor
Used Apex model 105 Compressor
Product Price  $89.99
$99.99
Good Condition
Used Apex Model 105 Compressor
Used Apex Model 105 Compressor
Product Price  $89.99
$99.99
Good Condition
Used Sabine FBX SOLO EXTERMINATOR Compressor
Used Sabine FBX SOLO EXTERMINATOR Compressor
Product Price  $99.99
$164.99
Good Condition
Used 1980s Symetrix SG-200 Noise Gate
Used 1980s Symetrix SG-200 Noise Gate
Product Price  $59.99
$85.99
Good Condition
Used Universal Audio 2108 Microphone Preamp
Used Universal Audio 2108 Microphone Preamp
Product Price  $2,299.99
$2,549.99
Good Condition
Used Rolls RPQ160 Channel Strip
Used Rolls RPQ160 Channel Strip
Product Price  $179.99
$199.99
Good Condition
Used DOD R825 Compressor
Used DOD R825 Compressor
Product Price  $99.99
$149.99
Good Condition
Used D.o.d. RTA Series II
Used D.o.d. RTA Series II
Product Price  $249.99
$349.99
Good Condition
Used Technical Pro Pre50 Microphone Preamp
Used Technical Pro Pre50 Microphone Preamp
Product Price  $89.99
$149.99
Good Condition