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

(87 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
Demo Sale – Save 30% In Cart
Elysia Nvelope Stereo Impulse Shaper Module with Dual EQ Capabilities
Elysia Nvelope Stereo Impulse Shaper Module with Dual EQ...
0 of 5 stars
Product Price  $1,689.00
Flock Audio Patch LT 32-point Digitally Controlled Analog Patchbay
Flock Audio Patch LT 32-point Digitally Controlled Analog...
0 of 5 stars
Product Price  $1,999.00
(1) Open Box:
$1,759.12
SPL Channel One 2950 Recording Channel
Open-Box SPL Channel One 2950 Recording Channel
0 of 5 stars
(1) Open Box:
$1,671.12
API 3122V 2-Channel Mic/Line Pre With Variable Output and High-Pass Filter
Open-Box API 3122V 2-Channel Mic/Line Pre With Variable Output and...
0 of 5 stars
(1) Open Box:
$1,931.60
24-Month Financing*
Universal Audio LA-610 Mk II Classic Tube Recording Channel
Universal Audio LA-610 Mk II Classic Tube Recording Channel
5.0 of 5 stars (12)
Product Price  $1,999.00
Or $84/month^ with 24 month
financing* Limited Time. Details
(1) Open Box:
$1,759.12
API 529 Stereo Compressor
Open-Box API 529 Stereo Compressor
0 of 5 stars
(1) Open Box:
$1,996.00
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  $1,649.99
$1,749.99
Excellent Condition
Used Solid State Logic Analog 2U Stereo Outboard Processor Multi Effects Processor
Used Solid State Logic Analog 2U Stereo Outboard Processor...
Product Price  $1,799.99
$1,999.99
Excellent Condition
Used Universal Audio LA-610 MK2 Compressor
Used Universal Audio LA-610 MK2 Compressor
Product Price  $1,619.99
$1,799.99
Excellent Condition
Extra 10% Off
Used Avalon VT747SP Pure Class A Vacuum Tube Channel Strip
Used Avalon VT747SP Pure Class A Vacuum Tube Channel Strip
Product Price  $1,988.99
$2,209.99
Excellent 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
Extra 10% Off
Used Antelope Audio Ribidium Atomic 10M Digital Clock
Used Antelope Audio Ribidium Atomic 10M Digital Clock
Product Price  $1,909.99
$3,799.99
Good Condition
Solid State Logic Super 9000 Analog Channel Strip
Solid State Logic Super 9000 Analog Channel Strip
0 of 5 stars
Product Price  $1,999.99
Rupert Neve Designs Newton Channel Strip With Mic Pre + EQ + Compressor With Silk
Rupert Neve Designs Newton Channel Strip With Mic Pre + EQ...
5.0 of 5 stars (2)
Product Price  $1,999.00
24-Month Financing*
Universal Audio 4-710d 4-Channel Mic Preamp
Universal Audio 4-710d 4-Channel Mic Preamp
5.0 of 5 stars (6)
Product Price  $1,999.00
Or $84/month^ with 24 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio WA273-EQ 2-Channel British Mic Pre & EQ
Warm Audio WA273-EQ 2-Channel British Mic Pre & EQ
0 of 5 stars
Product Price  $1,599.00
Or $34/month^ with 48 month
financing* Limited Time. Details
Empirical Labs EL8 Distressor Audio Compressor
Empirical Labs EL8 Distressor Audio Compressor
5.0 of 5 stars (1)
Product Price  $1,549.00
Rupert Neve Designs OptoFET Dual Stage Compressor
Rupert Neve Designs OptoFET Dual Stage Compressor
0 of 5 stars
Product Price  $1,999.00
Harrison D510 10x14 Dante Interface Card for the D510r Rack (1G Ethernet)
Harrison D510 10x14 Dante Interface Card for the D510r Rack...
0 of 5 stars
Product Price  $1,599.99
Solid State Logic Revival 4000 Analog Channel Strip
Solid State Logic Revival 4000 Analog Channel Strip
5.0 of 5 stars (1)
Product Price  $1,999.99
Drawmer 1971 Dual 4-band Parametric Equalizer
Drawmer 1971 Dual 4-band Parametric Equalizer
0 of 5 stars
Product Price  $1,979.00
Soyuz Microphones The Lakeside Single Channel Class-A Mic Preamp
Soyuz Microphones The Lakeside Single Channel Class-A Mic...
0 of 5 stars
Product Price  $1,999.00
Audient ASP880 - 8-Channel Microphone Preamplifier and ADC
Audient ASP880 - 8-Channel Microphone Preamplifier and ADC
0 of 5 stars
Product Price  $1,799.00
Solid State Logic Stereo Bus Compressor Hardware Version
Solid State Logic Stereo Bus Compressor Hardware Version
0 of 5 stars
Product Price  $1,599.99
Daking Mic Pre II 2-Channel Microphone Preamp
Daking Mic Pre II 2-Channel Microphone Preamp
0 of 5 stars
Product Price  $1,599.00
Charter Oak Acoustics MPA-1 Dual Channel Microphone Preamp
Charter Oak Acoustics MPA-1 Dual Channel Microphone Preamp
0 of 5 stars
Product Price  $1,999.00
Empirical Labs Mike-E Mic Pre with Compression and Saturation
Empirical Labs Mike-E Mic Pre with Compression and...
5.0 of 5 stars (1)
Product Price  $1,699.00
Elysia xfilter Class A Discrete Stereo Parametric Equalizer
Elysia xfilter Class A Discrete Stereo Parametric Equalizer
0 of 5 stars
Product Price  $1,689.00
Empirical Labs EL8X Distressor Compressor With British Mod and Image Link
Empirical Labs EL8X Distressor Compressor With British Mod...
4.5 of 5 stars (2)
Product Price  $1,799.00
BAE 1073MPF Single Channel
2 Styles Available
BAE 1073MPF Single Channel
0 of 5 stars
from  Product Price  $1,520.00
New
Tegeler Creme Bus Compressor and Mastering Equalizer
Tegeler Creme Bus Compressor and Mastering Equalizer
0 of 5 stars
Product Price  $1,999.00
New
Tegeler Magnetismus 2 Transient Shaper and VCA Compressor
Tegeler Magnetismus 2 Transient Shaper and VCA Compressor
0 of 5 stars
Product Price  $1,899.00
New
Tegeler Vari Tube Tube Compressor
Tegeler Vari Tube Tube Compressor
0 of 5 stars
Product Price  $1,999.00
New
Tegeler Classic Equalizer EQP-1 Passive Tube Equalizer
Tegeler Classic Equalizer EQP-1 Passive Tube Equalizer
0 of 5 stars
Product Price  $1,999.00
New
Tegeler Vari Tube Recording Channel
Tegeler Vari Tube Recording Channel
0 of 5 stars
Product Price  $1,999.00
Pre-Order
Bettermaker Stereo Passive Equalizer
Bettermaker Stereo Passive Equalizer
0 of 5 stars
Product Price  $1,679.00
WesAudio _Pandora NG500 Series Multiband Compressor with Digital Recall
WesAudio _Pandora NG500 Series Multiband Compressor with...
0 of 5 stars
Product Price  $1,599.00
Elysia xmax 500 Series Stereo Master Bus Compressor
Elysia xmax 500 Series Stereo Master Bus Compressor
0 of 5 stars
Product Price  $1,579.00
Elysia xmax qube Series Stereo Master Bus Compressor
Elysia xmax qube Series Stereo Master Bus Compressor
0 of 5 stars
Product Price  $1,799.00
TK Audio Transformer Harmonic Generator
TK Audio Transformer Harmonic Generator
0 of 5 stars
Product Price  $1,799.00
Grace Design m201mk2 2-Channel Microphone Preamp
Grace Design m201mk2 2-Channel Microphone Preamp
0 of 5 stars
Product Price  $1,990.00
Eventide Omnipressor Model 2830 Au Dynamics Processor
Eventide Omnipressor Model 2830 Au Dynamics Processor
0 of 5 stars
Product Price  $1,999.00
24-Month Financing*
AEA Microphones RPQ3 Microphone Preamp
AEA Microphones RPQ3 Microphone Preamp
0 of 5 stars
Product Price  $1,799.00
Or $75/month^ with 24 month
financing* Limited Time. Details
Rupert Neve Designs RNDI-8 8-Channel Active Direct Box
Rupert Neve Designs RNDI-8 8-Channel Active Direct Box
0 of 5 stars
Product Price  $1,999.00
Chandler Limited Germanium Compressor
Chandler Limited Germanium Compressor
0 of 5 stars
Product Price  $1,850.00
Rupert Neve Designs Rupert Neve Designs 5045 Primary Source Enhancer
Rupert Neve Designs Rupert Neve Designs 5045 Primary Source...
0 of 5 stars
Product Price  $1,999.00
Rupert Neve Designs 5211 2-Channel Microphone Preamp
Rupert Neve Designs 5211 2-Channel Microphone Preamp
0 of 5 stars
Product Price  $1,999.00
Daking Mic Pre IIT 2-Channel Microphone Preamp
Daking Mic Pre IIT 2-Channel Microphone Preamp
0 of 5 stars
Product Price  $1,949.00
Daking Comp II Stereo VCA Compressor
Daking Comp II Stereo VCA Compressor
0 of 5 stars
Product Price  $1,599.00
Phoenix Audio N-Eight 8 Channel Class A Active DI
Phoenix Audio N-Eight 8 Channel Class A Active DI
0 of 5 stars
Product Price  $1,699.00
Phoenix Audio Ascent One EQ - Mono Class A Microphone Pre-Amplifier/DI/EQ
Phoenix Audio Ascent One EQ - Mono Class A Microphone...
0 of 5 stars
Product Price  $1,599.00
BURL AUDIO B16-BMB3 Mothership with Dante
BURL AUDIO B16-BMB3 Mothership with Dante
0 of 5 stars
Product Price  $1,695.00
RME OctaMic II 8-Channel MicPre
RME OctaMic II 8-Channel MicPre
0 of 5 stars
Product Price  $1,799.00
BAE 10DC Compressor/Limiter
BAE 10DC Compressor/Limiter
0 of 5 stars
Product Price  $1,600.00
Drawmer DL441 Quad Auto Compressor/Limiter
Drawmer DL441 Quad Auto Compressor/Limiter
0 of 5 stars
Product Price  $1,525.00
BAE Desktop Lunchbox with 312A Module(s)
2 Styles Available
BAE Desktop Lunchbox with 312A Module(s)
0 of 5 stars
Product Price  $1,800.00
Used Avalon VT737SP Class A Mono Tube Microphone Preamp
Used Avalon VT737SP Class A Mono Tube Microphone Preamp
Product Price  $1,689.99
Excellent Condition
Used Maag Audio EQ4M Equalizer
Used Maag Audio EQ4M Equalizer
Product Price  $1,799.99
Excellent Condition
Used Focusrite ISA428 MKII Microphone Preamp
Used Focusrite ISA428 MKII Microphone Preamp
Product Price  $1,749.99
Excellent Condition
Used Avalon AD2022 Pure Class A Microphone Preamp
Used Avalon AD2022 Pure Class A Microphone Preamp
Product Price  $1,799.99
Excellent Condition