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 6 AM – 6 PM PT

SUN 8 AM – 5 PM PT

Holiday Hours:

Thanksgiving: Closed

Christmas Eve Hours: 6 AM PT – 3 PM PT

Christmas Day: Closed

New Year’s Eve: 6 AM PT – 4 PM PT

New Year’s Day: Closed

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

Your Cart Is Empty

Sign In < Continue Shopping
Why Shop With Us?
 Kick off the season with holiday deals and accessory coupon savings. For even more discounts, call 888-688-0208 or chat online Holiday Kickoff Sale - Up to 50% off on select gear
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

This season, gift now & pay later with Get Details

Home Pro Audio Signal Processors

Signal Processors

(2223 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Artcessories Used ARTcessories Clean Box II Direct Box
Used Artcessories Used ARTcessories Clean Box II Direct Box
Product Price  $34.99
Great Condition
IK Multimedia Used IK Multimedia TONEX AMPLITUBE Multi Effects Processor
Used IK Multimedia Used IK Multimedia TONEX AMPLITUBE Multi...
Product Price  $274.99
Great Condition
dbx Used Dbx 231 Dual 31-Band Graphic Equalizer
Used dbx Used Dbx 231 Dual 31-Band Graphic Equalizer
Product Price  $99.99
Great Condition
dbx Used Dbx 286S Microphone Preamp
Used dbx Used Dbx 286S Microphone Preamp
Product Price  $129.99
Great Condition
Mr. Black Used Mr. Black Deluxe Plus Effects Processor
Used Mr. Black Used Mr. Black Deluxe Plus Effects Processor
Product Price  $99.99
Great Condition
Universal Audio Used Universal Audio Dream Effects Processor
Used Universal Audio Used Universal Audio Dream Effects...
Product Price  $284.99
Great Condition
KORG Used KORG DRV200 DIGITAL REVERB Effects Processor
Used KORG Used KORG DRV200 DIGITAL REVERB Effects Processor
Product Price  $99.99
Great Condition
ADA Signal Processors Used ADA Signal Processors MP-1 Multi Effects Processor
Used ADA Signal Processors Used ADA Signal Processors MP-1 Multi...
Product Price  $649.99
Great Condition
Rockman Used Rockman SUSTAINOR 100 Effects Processor
Used Rockman Used Rockman SUSTAINOR 100 Effects Processor
Product Price  $499.99
Great Condition
Universal Audio Used Universal Audio Solo 610 Microphone Preamp
Used Universal Audio Used Universal Audio Solo 610 Microphone...
Product Price  $674.99
Great Condition
Yamaha Used Yamaha TG100 Multi Effects Processor
Used Yamaha Used Yamaha TG100 Multi Effects Processor
Product Price  $79.99
Great Condition
Demedash Used DEMEDASH T-120 VIDEOTAPE ECHO Effects Processor
Used Demedash Used DEMEDASH T-120 VIDEOTAPE ECHO Effects...
Product Price  $299.99
Great Condition
Electro-Harmonix Used Electro-Harmonix Voicebox Vocal Harmony Vocoder Vocal Processor
Used Electro-Harmonix Used Electro-Harmonix Voicebox Vocal...
Product Price  $164.99
Great Condition
TC Helicon Used TC Helicon PLAY ACOUSTIC Vocal Processor
Used TC Helicon Used TC Helicon PLAY ACOUSTIC Vocal Processor
Product Price  $269.99
Great Condition
Focusrite Used Focusrite OctoPre Microphone Preamp
Used Focusrite Used Focusrite OctoPre Microphone Preamp
Product Price  $299.99
Great Condition
Zoom Used Zoom V3 Vocal Processor
Used Zoom Used Zoom V3 Vocal Processor
Product Price  $179.99
Great Condition
TC Electronic Used TC Electronic G Major Multi Effects Processor
Used TC Electronic Used TC Electronic G Major Multi Effects...
Product Price  $149.99
Great Condition
Ampeg Used Ampeg SCR DI Direct Box
Used Ampeg Used Ampeg SCR DI Direct Box
Product Price  $179.99
Great Condition
Furman Used Furman Rp8 Exciter
Used Furman Used Furman Rp8 Exciter
Product Price  $49.99
Great Condition
Behringer Used Behringer Ha4600 Signal Processor
Used Behringer Used Behringer Ha4600 Signal Processor
Product Price  $49.99
Great Condition
Warm Audio Used Warm Audio WA-2A Compressor
Used Warm Audio Used Warm Audio WA-2A Compressor
Product Price  $749.99
Great Condition
Cloud Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $94.99
Great Condition
dbx Used Dbx 160XT Compressor
Used dbx Used Dbx 160XT Compressor
Product Price  $279.99
Great Condition
BBE Used BBE DI1000 Active/Passive Direct Box
Used BBE Used BBE DI1000 Active/Passive Direct Box
Product Price  $65.99
Great Condition
Solid State Logic Used Solid State Logic Fusion Compressor
Used Solid State Logic Used Solid State Logic Fusion Compressor
Product Price  $1,799.99
Great Condition
Summit Audio Used Summit Audio TLA-50 Compressor
Used Summit Audio Used Summit Audio TLA-50 Compressor
Product Price  $669.99
Great Condition
BBE Used BBE MaxCom Dual-Channel Compressor
Used BBE Used BBE MaxCom Dual-Channel Compressor
Product Price  $79.99
Great Condition
FMR Audio Used FMR Audio RNC1773 Microphone Preamp
Used FMR Audio Used FMR Audio RNC1773 Microphone Preamp
Product Price  $149.99
Great Condition
Line 6 Used Line 6 POD HD Pro X Multi Effects Processor
Used Line 6 Used Line 6 POD HD Pro X Multi Effects Processor
Product Price  $350.99
Great Condition
Behringer Used Behringer DSP 1400P Ultramizer Pro Exciter
Used Behringer Used Behringer DSP 1400P Ultramizer Pro Exciter
Product Price  $99.99
Great Condition
TC Helicon Used TC Helicon VoiceTone Correct Vocal Processor
Used TC Helicon Used TC Helicon VoiceTone Correct Vocal...
Product Price  $97.99
Great Condition
Fractal Audio Used Fractal Audio Axe Fx II XL Multi Effects Processor
Used Fractal Audio Used Fractal Audio Axe Fx II XL Multi Effects...
Product Price  $999.99
Great Condition
Behringer Used Behringer DI100 Direct Box
Used Behringer Used Behringer DI100 Direct Box
Product Price  $19.99
Great Condition
TC Helicon Used TC Helicon VoiceTone X1 Vocal Processor
Used TC Helicon Used TC Helicon VoiceTone X1 Vocal Processor
Product Price  $89.99
Great Condition
BBE Used BBE 362 Sonic Maximizer Exciter
Used BBE Used BBE 362 Sonic Maximizer Exciter
Product Price  $44.99
Great Condition
TC Helicon Used TC Helicon Voicelive 3 Extreme Vocal Processor
Used TC Helicon Used TC Helicon Voicelive 3 Extreme Vocal...
Product Price  $499.99
Great Condition
DigiTech Used DigiTech Vocalist Access Vocal Processor
Used DigiTech Used DigiTech Vocalist Access Vocal Processor
Product Price  $119.99
Great Condition
Behringer Used Behringer MDX 2100 Composer Compressor
Used Behringer Used Behringer MDX 2100 Composer Compressor
Product Price  $59.99
Great Condition
Hrk Used HRK CS566 Compressor
Used Hrk Used HRK CS566 Compressor
Product Price  $249.99
Great Condition
Behringer Used Behringer Ultragraph Pro FBQ3102HD Equalizer
Used Behringer Used Behringer Ultragraph Pro FBQ3102HD Equalizer
Product Price  $99.99
Great Condition