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?
 Flash Sale ends today! Call 888-688-0208 or chat for exclusive savings. Flash Sale ends today! Call 888-688-0208 or chat for exclusive savings.
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

Signal Processors

(231 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
Klark Teknik 76-KT Classic FET-Style Compressor
Klark Teknik 76-KT Classic FET-Style Compressor
0 of 5 stars
Product Price  $209.00
Behringer ULTRAGRAPH PRO FBQ6200HD 2-Channel 31-Band Graphic EQ With FBQ Feedback Detection System
Behringer ULTRAGRAPH PRO FBQ6200HD 2-Channel 31-Band...
5.0 of 5 stars (1)
Product Price  $209.00
Undertone Audio Satellite Re-Amper
Undertone Audio Satellite Re-Amper
0 of 5 stars
Product Price  $295.00
Radial Engineering Catapult Rack TX Cat 5 Analog Audio Snake
Radial Engineering Catapult Rack TX Cat 5 Analog Audio...
0 of 5 stars
Product Price  $299.99
Black Lion Audio Auteur DT Mic/Line Preamp and DI Box
Black Lion Audio Auteur DT Mic/Line Preamp and DI Box
0 of 5 stars
Product Price  $259.00
Radial Engineering LX-2 Line-Level Splitter and Attenuator
Radial Engineering LX-2 Line-Level Splitter and Attenuator
0 of 5 stars
Product Price  $279.99
Black Lion Audio Micro Clock MKII
Black Lion Audio Micro Clock MKII
0 of 5 stars
Product Price  $299.00
Radial Engineering Catapult 4-channel Cat 5 Audio Snake (RX4 Receiver Module)
Radial Engineering Catapult 4-channel Cat 5 Audio Snake...
0 of 5 stars
Product Price  $234.99
Palmer Audio Palmer Audio PLS 02 Dual Channel Line Splitter
Palmer Audio Palmer Audio PLS 02 Dual Channel Line Splitter
0 of 5 stars
Product Price  $249.99
BBE SM500 500 Series Single-Channel Sonic Maximizer
BBE SM500 500 Series Single-Channel Sonic Maximizer
0 of 5 stars
Product Price  $299.00
BOSS Vocal Performer V-5 Effects Processor
BOSS Vocal Performer V-5 Effects Processor
4.5 of 5 stars (9)
Product Price  $274.99
Radial Engineering JS2 Passive Microphone Splitter Direct Box
Radial Engineering JS2 Passive Microphone Splitter Direct...
5.0 of 5 stars (1)
Product Price  $284.99
Radial Engineering Trim-Two Passive DI for AV with Level Control
Radial Engineering Trim-Two Passive DI for AV with Level...
0 of 5 stars
Product Price  $209.99
Behringer ULTRADRIVE DCX2496LE Loudspeaker Management System
Behringer ULTRADRIVE DCX2496LE Loudspeaker Management...
5.0 of 5 stars (1)
Product Price  $289.00
BAE 1073DMP Road Case
BAE 1073DMP Road Case
0 of 5 stars
Product Price  $250.00
Used Art S8 3WAY SPLITTER Microphone Preamp
Used Art S8 3WAY SPLITTER Microphone Preamp
Product Price  $299.99
Excellent Condition
Used Art S8 3WAY SPLITTER Microphone Preamp
Used Art S8 3WAY SPLITTER Microphone Preamp
Product Price  $299.99
Excellent Condition
Used Roland GP 16 Multi Effects Processor
Used Roland GP 16 Multi Effects Processor
Product Price  $205.99
Excellent Condition
Used Zoom V6 VOCAL PROCESSOR Vocal Processor
Used Zoom V6 VOCAL PROCESSOR Vocal Processor
Product Price  $239.99
Excellent Condition
Used Two Notes AUDIO ENGINEERING Torpedo Direct Box
Used Two Notes AUDIO ENGINEERING Torpedo Direct Box
Product Price  $219.99
Excellent Condition
Used Elite Core 16 Channel 4 Return 25' Pro Audio Stage Snake Cable Signal Processor
Used Elite Core 16 Channel 4 Return 25' Pro Audio Stage...
Product Price  $299.99
Excellent Condition
Used DigiTech Vocalist Live 3 Harmony Pitch Correction Vocal Processor
Used DigiTech Vocalist Live 3 Harmony Pitch Correction...
Product Price  $249.99
Excellent Condition
Used Klark Teknik EQP-KT Equalizer
Used Klark Teknik EQP-KT Equalizer
Product Price  $249.99
Excellent Condition
Used IK Multimedia ARC Studio Exciter
Used IK Multimedia ARC Studio Exciter
Product Price  $269.99
Excellent Condition
Used HHB FAT MAN Compressor
Used HHB FAT MAN Compressor
Product Price  $299.99
Excellent Condition
Used TC Electronic Clarity M
Used TC Electronic Clarity M
Product Price  $299.99
Excellent Condition
Used dbx 223XS Stereo 2-Way/Mono 3-Way Crossover
Used dbx 223XS Stereo 2-Way/Mono 3-Way Crossover
Product Price  $229.99
Excellent Condition
Used Fredenstein Professional Audio Artistic Leveler Rack Equipment
Used Fredenstein Professional Audio Artistic Leveler Rack...
Product Price  $219.99
Excellent Condition
Used Universal Audio max Compressor
Used Universal Audio max Compressor
Product Price  $299.99
Excellent Condition
Used Two Notes AUDIO ENGINEERING TORPEDO CAPTOR 16 Direct Box
Used Two Notes AUDIO ENGINEERING TORPEDO CAPTOR 16 Direct...
Product Price  $214.99
Excellent Condition
Used Five Fish SK-1DI Rack Equipment
Used Five Fish SK-1DI Rack Equipment
Product Price  $249.99
Excellent Condition
Used Five Fish SK-1DI Rack Equipment
Used Five Fish SK-1DI Rack Equipment
Product Price  $249.99
Excellent Condition
Used Five Fish SK-1DI Rack Equipment
Used Five Fish SK-1DI Rack Equipment
Product Price  $249.99
Excellent Condition
Used Five Fish SK-1DI Rack Equipment
Used Five Fish SK-1DI Rack Equipment
Product Price  $249.99
Excellent Condition
Used Jlm Audio Vuppm meter
Used Jlm Audio Vuppm meter
Product Price  $284.99
Excellent Condition
Used Golden Age Project PRE-73 MKIII Microphone Preamp
Used Golden Age Project PRE-73 MKIII Microphone Preamp
Product Price  $299.99
Excellent Condition
Used Black Lion Audio Auteur MK2 Rack Equipment
Used Black Lion Audio Auteur MK2 Rack Equipment
Product Price  $249.99
Excellent Condition
Used Black Lion Audio Autuer MK2 Rack Equipment
Used Black Lion Audio Autuer MK2 Rack Equipment
Product Price  $249.99
Excellent Condition
Used IK Multimedia ARC Studio Exciter
Used IK Multimedia ARC Studio Exciter
Product Price  $289.99
Excellent Condition
Used TC Electronic M350 Multi Effects Processor
Used TC Electronic M350 Multi Effects Processor
Product Price  $274.99
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 Lehle P-ISO TRS XLR Direct Box
Used Lehle P-ISO TRS XLR Direct Box
Product Price  $259.99
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 ProCo Switch Signal Processor
Used ProCo Switch Signal Processor
Product Price  $299.99
Excellent Condition
Used Slate Digital VMS ONE Microphone Preamp
Used Slate Digital VMS ONE Microphone Preamp
Product Price  $249.99
Excellent Condition
Used Grace Design M303 Direct Box
Used Grace Design M303 Direct Box
Product Price  $274.99
Excellent Condition
Used Grace Design M303 Direct Box
Used Grace Design M303 Direct Box
Product Price  $274.99
Excellent Condition
Used Grace Design M303 Direct Box
Used Grace Design M303 Direct Box
Product Price  $274.99
Excellent Condition
Used Roland VT-4 Vocal Processor Vocal Processor
Used Roland VT-4 Vocal Processor Vocal Processor
Product Price  $249.99
Excellent Condition
Used dbx 160A Compressor
Used dbx 160A Compressor
Product Price  $289.99
Great Condition
Used PreSonus Eureka Channel Strip
Used PreSonus Eureka Channel Strip
Product Price  $249.99
Great Condition
Used TC Electronic G Major Multi Effects Processor Multi Effects Processor
Used TC Electronic G Major Multi Effects Processor Multi...
Product Price  $229.99
Great Condition
Used Lexicon MX200 Multi Effects Processor
Used Lexicon MX200 Multi Effects Processor
Product Price  $209.99
Great Condition
Used DigiTech RDS Digital Delay System Effects Processor
Used DigiTech RDS Digital Delay System Effects Processor
Product Price  $200.99
Great Condition
Used Death By Audio Echo Master Vocal Processor
Used Death By Audio Echo Master Vocal Processor
Product Price  $224.99
Great Condition
Used Drawmer DL241 Compressor
Used Drawmer DL241 Compressor
Product Price  $274.99
Great Condition
Used Lindell Audio Lin76 Compressor
Used Lindell Audio Lin76 Compressor
Product Price  $284.99
Great Condition
Used Radial Engineering PZ-DI Acoustic/Orchestral Instrument Active Direct Box Direct Box
Used Radial Engineering PZ-DI Acoustic/Orchestral...
Product Price  $249.99
Great Condition
Used Whirlwind qbox
Used Whirlwind qbox
Product Price  $299.99
Great Condition