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

(2234 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
48-Month Financing*
Chandler Limited TG12411 Channel MKII Microphone Preamp & Equalizer
Chandler Limited TG12411 Channel MKII Microphone Preamp &...
0 of 5 stars
Product Price  $2,600.00
Or $54.17/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Manley Variable Mu Stereo Compressor Limiter with M-S and T-Bar Mods
Manley Variable Mu Stereo Compressor Limiter with M-S and...
0 of 5 stars
Product Price  $6,299.00
Or $131.23/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Manley Variable Mu Stereo Compressor Limiter with T-Bar Mod
Manley Variable Mu Stereo Compressor Limiter with T-Bar Mod
0 of 5 stars
Product Price  $5,499.00
Or $114.57/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Manley Nu Mu Stereo Compressor Limiter
Manley Nu Mu Stereo Compressor Limiter
0 of 5 stars
Product Price  $3,299.00
Or $68.73/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
dbx 1261 12x6 Zone Processor
dbx 1261 12x6 Zone Processor
0 of 5 stars
Product Price  $959.00
Or $19.98/month^ with 48 month
financing* Limited Time. Details
Golden Age Project COMP-54 MKIII Single-Channel Class A Compressor
Golden Age Project COMP-54 MKIII Single-Channel Class A...
0 of 5 stars
Product Price  $399.99
48-Month Financing*
D.W. Fearn Hazelrigg Industries VLC Single Channel Mic Pre EQ and DI
D.W. Fearn Hazelrigg Industries VLC Single Channel Mic Pre...
0 of 5 stars
Product Price  $3,700.00
Or $77.09/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
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
Or $41.65/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Avid Pro Tools Sync X Word Clock and Sync
Avid Pro Tools Sync X Word Clock and Sync
0 of 5 stars
Product Price  $3,999.00
Or $83.32/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API 525 500 Series Discrete Compressor
API 525 500 Series Discrete Compressor
0 of 5 stars
Product Price  $1,295.00
Or $26.98/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API 212L 200 Series Discrete Mic Pre
API 212L 200 Series Discrete Mic Pre
0 of 5 stars
Product Price  $695.00
Or $14.48/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API 205L 200 Series Direct Input
API 205L 200 Series Direct Input
0 of 5 stars
Product Price  $695.00
Or $14.48/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API 215L 200 Series Discrete HP/LP Sweep Filter
API 215L 200 Series Discrete HP/LP Sweep Filter
0 of 5 stars
Product Price  $695.00
Or $14.48/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
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
Or $40.61/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API L200R 12 Slot 200 Series Module Rack
API L200R 12 Slot 200 Series Module Rack
0 of 5 stars
Product Price  $675.00
Or $14.07/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API A2D Mic Preamps with Digital Output
API A2D Mic Preamps with Digital Output
0 of 5 stars
Product Price  $2,395.00
Or $49.90/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
API 225L Compressor
API 225L Compressor
0 of 5 stars
Product Price  $695.00
Or $14.48/month^ with 48 month
financing* Limited Time. Details
Black Lion Audio B173 mkll British-Style Half-Rack Mic Pre/DI
Black Lion Audio B173 mkll British-Style Half-Rack Mic...
0 of 5 stars
Product Price  $449.00
48-Month Financing*
Manley FORCE 4 Channel Vacuum Tube Microphone PreAmp
Manley FORCE 4 Channel Vacuum Tube Microphone PreAmp
0 of 5 stars
Product Price  $2,999.00
Or $62.48/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Eventide H9000R Multi-channel Effects Platform
Eventide H9000R Multi-channel Effects Platform
0 of 5 stars
Product Price  $5,999.00
Or $124.98/month^ with 48 month
financing* Limited Time. Details
TC Helicon PERFORM-VE Vocal Sampler and Effects Processor
TC Helicon PERFORM-VE Vocal Sampler and Effects Processor
0 of 5 stars
Product Price  $229.00
48-Month Financing*
Heritage Audio Dual Table Top Microphone Preamp
Heritage Audio Dual Table Top Microphone Preamp
0 of 5 stars
Product Price  $2,399.00
Or $49.98/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Radial Engineering DiNET DAN-RX2 2-Channel Dante Network Receiver
Radial Engineering DiNET DAN-RX2 2-Channel Dante Network...
0 of 5 stars
Product Price  $579.99
Or $12.09/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Radial Engineering DiNET DAN-TX2 2-Channel Dante Network Transmitter
Radial Engineering DiNET DAN-TX2 2-Channel Dante Network...
0 of 5 stars
Product Price  $579.99
Or $12.09/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Phoenix Audio Ascent Two EQ Stereo Class A Microphone Pre-Amplifier/DI/EQ
Phoenix Audio Ascent Two EQ Stereo Class A Microphone...
0 of 5 stars
Product Price  $2,699.00
Or $56.23/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Phoenix Audio Ascent Two Stereo Class A Microphone Pre-Amplifier/DI
Phoenix Audio Ascent Two Stereo Class A Microphone...
0 of 5 stars
Product Price  $2,199.00
Or $45.82/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Phoenix Audio Ascent One Mono Class A Microphone Pre-Amplifier/DI
Phoenix Audio Ascent One Mono Class A Microphone...
0 of 5 stars
Product Price  $1,299.00
Or $27.07/month^ with 48 month
financing* Limited Time. Details
Phoenix Audio Nimbus DI Mono Class A Active DI
Phoenix Audio Nimbus DI Mono Class A Active DI
0 of 5 stars
Product Price  $399.00
48-Month Financing*
Black Lion Audio B12AQuad 4-Channel Mic Pre
Black Lion Audio B12AQuad 4-Channel Mic Pre
0 of 5 stars
Product Price  $1,199.00
Or $24.98/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Phoenix Audio Nice DI - Stereo Class A Active DI
Phoenix Audio Nice DI - Stereo Class A Active DI
0 of 5 stars
Product Price  $749.00
Or $15.61/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
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
Or $33.32/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Tube-Tech MP2A Dual Mic Preamp and DI
Tube-Tech MP2A Dual Mic Preamp and DI
0 of 5 stars
Product Price  $4,365.00
Or $90.94/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Heritage Audio HA73EQX2 Dual-Channel Full Rack Mic Pre with EQ
Heritage Audio HA73EQX2 Dual-Channel Full Rack Mic Pre with...
5.0 of 5 stars (1)
Product Price  $1,699.00
Or $35.40/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Elysia Skulpter 500 Microphone Preamp
Elysia Skulpter 500 Microphone Preamp
0 of 5 stars
Product Price  $899.00
Or $18.73/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Burl Audio B16-BMB3 Mothership with Dante
Burl Audio B16-BMB3 Mothership with Dante
0 of 5 stars
Product Price  $1,499.00
Or $31.23/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Black Lion Audio PBR8 8 Slot 500-Series Rack/Patchbay
Black Lion Audio PBR8 8 Slot 500-Series Rack/Patchbay
0 of 5 stars
Product Price  $899.00
Or $18.73/month^ with 48 month
financing* Limited Time. Details
Black Lion Audio Micro Clock MKII
Black Lion Audio Micro Clock MKII
0 of 5 stars
Product Price  $299.00
48-Month Financing*
Black Lion Audio Micro Clock MKIII
Black Lion Audio Micro Clock MKIII
0 of 5 stars
Product Price  $799.00
Or $16.65/month^ with 48 month
financing* Limited Time. Details
Radial Engineering Stagebug SB5W Wall Mounted Multimedia Stereo DI box
Radial Engineering Stagebug SB5W Wall Mounted Multimedia...
0 of 5 stars
Product Price  $159.99
Radial Engineering Backtrack, Stereo Audio Switcher
Radial Engineering Backtrack, Stereo Audio Switcher
0 of 5 stars
Product Price  $459.99