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 5 AM - 8 PM PT

SAT 6 AM - 6 PM PT

SUN 6 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?
 Rocktober! Shop deals up to 40% off – Call 888-688-0208 or chat for more deals
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

(459 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
API 312 500 Series Mic Preamp
API 312 500 Series Mic Preamp
0 of 5 stars
Product Price  $795.00
API 3124V Discrete 4-Channel Mic/Line Preamp
API 3124V Discrete 4-Channel Mic/Line Preamp
5.0 of 5 stars (1)
Product Price  $3,295.00
Solid State Logic Fusion Analog 2U Stereo Outboard Processor
Solid State Logic Fusion Analog 2U Stereo Outboard...
0 of 5 stars
Product Price  $2,199.99
48-Month Financing*
Warm Audio TB12 Black Tonebeast Microphone Preamp
Warm Audio TB12 Black Tonebeast Microphone Preamp
0 of 5 stars
Product Price  $649.00
Or $13.53/month^ with 48 month
financing* Limited Time. Details
TC Helicon DUPLICATOR Vocal Doubling Effects Pedal
TC Helicon DUPLICATOR Vocal Doubling Effects Pedal
4.0 of 5 stars (4)
Product Price  $149.00
Sale
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  $1,499.00
$1,599.00
Or $31.23/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio WA273 2-Channel British Mic Pre
Warm Audio WA273 2-Channel British Mic Pre
0 of 5 stars
Product Price  $1,099.00
Or $22.90/month^ with 48 month
financing* Limited Time. Details
Rupert Neve Designs Shelford Channel
Rupert Neve Designs Shelford Channel
5.0 of 5 stars (1)
Product Price  $3,999.00
Radial Engineering JDI Stereo Passive Direct Box
Radial Engineering JDI Stereo Passive Direct Box
0 of 5 stars
Product Price  $379.99
BAE 1073MPF Single Channel
2 Styles Available
BAE 1073MPF Single Channel
0 of 5 stars
Product Price  $1,645.00
Radial Engineering ProAV2 Stereo Direct Box
Radial Engineering ProAV2 Stereo Direct Box
4.5 of 5 stars (3)
Product Price  $219.99
Radial Engineering Radial Workhorse Cube Desktop Power Rack
Radial Engineering Radial Workhorse Cube Desktop Power Rack
4.0 of 5 stars (1)
Product Price  $399.99
Sale
Electro-Harmonix Voice Box Harmony Machine/Vocoder
Electro-Harmonix Voice Box Harmony Machine/Vocoder
3.5 of 5 stars (15)
Product Price  $208.96
$261.20
Art S8-3Way Eight-Channel Three-Way Mic Splitter
Art S8-3Way Eight-Channel Three-Way Mic Splitter
3.5 of 5 stars (3)
Product Price  $349.99
48-Month Financing*
Universal Audio 1176LN Solid State Limiting Amplifier
Universal Audio 1176LN Solid State Limiting Amplifier
5.0 of 5 stars (1)
Product Price  $2,999.00
Or $62.48/month^ with 48 month
financing* Limited Time. Details
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
Zoom V6-SP Vocal Processor
Zoom V6-SP Vocal Processor
0 of 5 stars
Product Price  $349.99
Walrus Audio Canvas Stereo Dual Line Isolator/Direct Box
Walrus Audio Canvas Stereo Dual Line Isolator/Direct Box
0 of 5 stars
Product Price  $249.99
Solid State Logic E-Series EQ 500 Series EQ
Solid State Logic E-Series EQ 500 Series EQ
0 of 5 stars
Product Price  $699.99
API 8 Slot High Current 500 Series lunchbox
API 8 Slot High Current 500 Series lunchbox
0 of 5 stars
Product Price  $499.00
Rupert Neve Designs RNDI-S Stereo Active Transformer DI Box
Rupert Neve Designs RNDI-S Stereo Active Transformer DI Box
0 of 5 stars
Product Price  $499.00
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
Drawmer 1974 Stereo Parametric Equaliser
Drawmer 1974 Stereo Parametric Equaliser
5.0 of 5 stars (1)
Product Price  $1,249.00
Rupert Neve Designs Active DI Box
Rupert Neve Designs Active DI Box
5.0 of 5 stars (1)
Product Price  $299.00
Radial Engineering Catapult Mini RX 4-Channel Cat 5 Audio Snake
Radial Engineering Catapult Mini RX 4-Channel Cat 5 Audio...
5.0 of 5 stars (1)
Product Price  $119.99
Radial Engineering Catapult Mini TX 4-Channel Cat 5 Audio Snake
Radial Engineering Catapult Mini TX 4-Channel Cat 5 Audio...
0 of 5 stars
Product Price  $119.99
48-Month Financing*
Warm Audio WA73-EQ 1-Channel British Mic Pre & EQ
Warm Audio WA73-EQ 1-Channel British Mic Pre & EQ
5.0 of 5 stars (3)
Product Price  $799.00
Or $16.65/month^ with 48 month
financing* Limited Time. Details
Mackie MDB-2P Stereo Passive Direct Box
Mackie MDB-2P Stereo Passive Direct Box
0 of 5 stars
Product Price  $79.99
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
4.0 of 5 stars (4)
Product Price  $159.00
Focusrite Scarlett OctoPre 8-Channel Microphone Preamp
Focusrite Scarlett OctoPre 8-Channel Microphone Preamp
3.5 of 5 stars (3)
Product Price  $499.99
48-Month Financing*
Warm Audio WA-412 - Classic 4-Channel Mic Pre
Warm Audio WA-412 - Classic 4-Channel Mic Pre
5.0 of 5 stars (3)
Product Price  $1,299.00
Or $27.07/month^ with 48 month
financing* Limited Time. Details
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
3.5 of 5 stars (15)
Product Price  $209.00
Price Drop
Behringer ULTRAGRAPH PRO FBQ3102HD 2-Channel 31-Band Graphic EQ With FBQ Feedback Detection System
Behringer ULTRAGRAPH PRO FBQ3102HD 2-Channel 31-Band...
5.0 of 5 stars (1)
Product Price  $149.00
$179.00
Rupert Neve Designs 6SP 500 Series Rack
Rupert Neve Designs 6SP 500 Series Rack
0 of 5 stars
Product Price  $699.00
dbx DriveRack VENU360 Speaker Management System
dbx DriveRack VENU360 Speaker Management System
0 of 5 stars
Product Price  $1,125.00
Rupert Neve Designs Portico 517: 500 Series Mic Pre / DI / Comp
Rupert Neve Designs Portico 517: 500 Series Mic Pre / DI /...
0 of 5 stars
Product Price  $899.00
TC Helicon VoiceTone Single D1 Doubling & Detune Effects Pedal
TC Helicon VoiceTone Single D1 Doubling & Detune Effects...
3.5 of 5 stars (8)
Product Price  $119.00
BAE 1073MP Single-Channel Rackmount Pre
2 Styles Available
BAE 1073MP Single-Channel Rackmount Pre
0 of 5 stars
from  Product Price  $1,095.00
Radial Engineering J48 Stereo Active Direct Box
Radial Engineering J48 Stereo Active Direct Box
5.0 of 5 stars (1)
Product Price  $379.99
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