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:

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?
 Winter Clearance Sale - Up to 50% off select gear. Call 888-688-0208 or chat for the best deals Winter Clearance Sale - Up to 50% off 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
Home Pro Audio Signal Processors

Signal Processors

(211 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
Behringer ULTRA-DI DI20 2-Channel Active Direct Box and Splitter
Behringer ULTRA-DI DI20 2-Channel Active Direct Box and...
3.5 of 5 stars (54)
Product Price  $17.90
Klark DS 50 Passive 5-Output Signal Splitter
Klark DS 50 Passive 5-Output Signal Splitter
5.0 of 5 stars (1)
Product Price  $35.00
Rupert Neve Designs Active DI Box
Rupert Neve Designs Active DI Box
5.0 of 5 stars (1)
Product Price  $299.00
(1) Open Box:
$263.12
10% Off $199+ W/ winter
Shure RK100PK In-line Preamplifier for MX Series Microphones
Shure RK100PK In-line Preamplifier for MX Series...
5.0 of 5 stars (1)
Product Price  $126.00
48-Month Financing*
Black Lion Audio Auteur Quad Mic Preamp and DI
Black Lion Audio Auteur Quad Mic Preamp and DI
5.0 of 5 stars (1)
Product Price  $799.00
Or $16.65/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Chandler Limited Germanium Preamp/DI
Chandler Limited Germanium Preamp/DI
4.5 of 5 stars (2)
Product Price  $1,195.00
Or $24.90/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Millennia STT-1 Origin All-In-One Recording Front End
Millennia STT-1 Origin All-In-One Recording Front End
5.0 of 5 stars (1)
Product Price  $4,050.00
Or $84.38/month^ with 48 month
financing* Limited Time. Details
Radial Engineering JS2 Passive Microphone Splitter Direct Box
Radial Engineering JS2 Passive Microphone Splitter Direct...
5.0 of 5 stars (1)
Product Price  $274.99
Radial Engineering JDI Duplex Stereo Direct Box
Radial Engineering JDI Duplex Stereo Direct Box
5.0 of 5 stars (3)
Product Price  $459.99
Radial Engineering TWIN ISO Passive Line-Level Isolator
Radial Engineering TWIN ISO Passive Line-Level Isolator
5.0 of 5 stars (1)
Product Price  $329.99
48-Month Financing*
Manley Stereo Variable Mu Limiter Compressor
Manley Stereo Variable Mu Limiter Compressor
5.0 of 5 stars (1)
Product Price  $4,999.00
Or $104.15/month^ with 48 month
financing* Limited Time. Details
10% Off $199+ W/ winter
Summit Audio TD-100 Instrument Preamp and Tube Direct Box
Summit Audio TD-100 Instrument Preamp and Tube Direct Box
5.0 of 5 stars (4)
Product Price  $899.99
Or $18.75/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Manley Massive Passive Stereo EQ - Mastering Version
Manley Massive Passive Stereo EQ - Mastering Version
5.0 of 5 stars (2)
Product Price  $8,399.00
Or $174.98/month^ with 48 month
financing* Limited Time. Details
BOSS VE-500 Vocal Performer Effects Stompbox
BOSS VE-500 Vocal Performer Effects Stompbox
3.5 of 5 stars (3)
Product Price  $479.99
48-Month Financing*
Chandler Limited TG-2 Abbey Road Special-Edition Mic Preamp
Chandler Limited TG-2 Abbey Road Special-Edition Mic Preamp
5.0 of 5 stars (2)
Product Price  $2,440.00
Or $50.84/month^ with 48 month
financing* Limited Time. Details
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  $169.00
48-Month Financing*
Rupert Neve Designs Portico 5017 Mobile Mic Pre, Compressor & DI
Rupert Neve Designs Portico 5017 Mobile Mic Pre, Compressor...
5.0 of 5 stars (1)
Product Price  $1,399.00
Or $29.15/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Radial Engineering JD6 6-Channel Rackmount Passive Direct Box
Radial Engineering JD6 6-Channel Rackmount Passive Direct...
5.0 of 5 stars (1)
Product Price  $1,099.99
Or $22.92/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
AEA TRP500 500 Series Microphone Preamp
AEA TRP500 500 Series Microphone Preamp
5.0 of 5 stars (1)
Product Price  $649.00
Or $13.53/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Radial Engineering JD7 Injector Guitar Signal Distribution System
Radial Engineering JD7 Injector Guitar Signal Distribution...
5.0 of 5 stars (1)
Product Price  $1,359.99
Or $28.34/month^ with 48 month
financing* Limited Time. Details
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
(1) Open Box:
$131.12
Electro-Harmonix V256 Vocoder Pedal
Electro-Harmonix V256 Vocoder Pedal
3.0 of 5 stars (6)
Product Price  $261.20
(1) Open Box:
$208.96
Behringer FBQ2496 Feedback Destroyer Pro Feedback Suppressor/Parametric EQ
Behringer FBQ2496 Feedback Destroyer Pro Feedback...
4.5 of 5 stars (13)
Product Price  $139.00
48-Month Financing*
Elysia xfilter 500 Class A Discrete Stereo Parametric EQ
Elysia xfilter 500 Class A Discrete Stereo Parametric EQ
5.0 of 5 stars (1)
Product Price  $999.00
Or $20.82/month^ with 48 month
financing* Limited Time. Details
Behringer Virtualizer 3D FX2000 Multi-Effects Processor
Behringer Virtualizer 3D FX2000 Multi-Effects Processor
4.5 of 5 stars (26)
Product Price  $119.00
TC Helicon PERFORM-VK Keyboard Controllable Vocal Processor
TC Helicon PERFORM-VK Keyboard Controllable Vocal Processor
4.5 of 5 stars (2)
Product Price  $229.00
Radial Engineering McBoost Microphone Signal Intensifier
Radial Engineering McBoost Microphone Signal Intensifier
5.0 of 5 stars (1)
Product Price  $229.99
Behringer ULTRADRIVE DCX2496LE Loudspeaker Management System
Behringer ULTRADRIVE DCX2496LE Loudspeaker Management...
5.0 of 5 stars (1)
Product Price  $239.00
Yorkville DualXDirect Professional Active Direct Box
Yorkville DualXDirect Professional Active Direct Box
5.0 of 5 stars (1)
Product Price  $75.99
Behringer ULTRADRIVE PRO DCX2496 Loudspeaker Management System
Behringer ULTRADRIVE PRO DCX2496 Loudspeaker Management...
3.5 of 5 stars (12)
Product Price  $279.00
10% Off $199+ W/ winter
ProCo DB-1 Direct Box
ProCo DB-1 Direct Box
4.0 of 5 stars (27)
Product Price  $79.99
Behringer ULTRA-DI DI600P Passive Direct Box
Behringer ULTRA-DI DI600P Passive Direct Box
5.0 of 5 stars (9)
Product Price  $29.00
Behringer ADA8200 8-Channel Microphone Preamp AD/DA Converter With Midas
Behringer ADA8200 8-Channel Microphone Preamp AD/DA...
3.5 of 5 stars (6)
Product Price  $149.00
Behringer ULTRACURVE PRO DEQ2496 2-Channel Equalizer and Mastering Processor
Behringer ULTRACURVE PRO DEQ2496 2-Channel Equalizer and...
4.0 of 5 stars (26)
Product Price  $279.00
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*
Palmer Audio Palmer Audio PGA04L04 Speaker Simulator with Loadbox 4 Ohms
Palmer Audio Palmer Audio PGA04L04 Speaker Simulator with...
5.0 of 5 stars (1)
Product Price  $499.99
Or $10.42/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Heritage Audio DMA-73 Dual Microphone Amplifier
Heritage Audio DMA-73 Dual Microphone Amplifier
5.0 of 5 stars (2)
Product Price  $2,499.00
Or $52.07/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Manley CORE Channel Strip
Manley CORE Channel Strip
3.0 of 5 stars (1)
Product Price  $2,899.00
Or $60.40/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$2,029.99
Art SyncGen Wordclock Sample Rate Generator
Art SyncGen Wordclock Sample Rate Generator
5.0 of 5 stars (1)
Product Price  $179.99
48-Month Financing*
Grace Design m501 500 Series Microphone Preamp
Grace Design m501 500 Series Microphone Preamp
5.0 of 5 stars (1)
Product Price  $745.00
Or $15.53/month^ with 48 month
financing* Limited Time. Details