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?
 Used Gear Flash Sale! Call 888-688-0208 or chat for exclusive savings. Used Gear Flash Sale!
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

(227 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
15% Off $199+ W/ Festive
Neutrik 48-Point TRS Patchbay
Neutrik 48-Point TRS Patchbay
4.0 of 5 stars (5)
Product Price  $108.86
15% Off $199+ W/ Festive
Rapco Horizon DBBLOXF Lo to Hi Z Transformer Direct Box
Rapco Horizon DBBLOXF Lo to Hi Z Transformer Direct Box
4.5 of 5 stars (3)
Product Price  $26.99
TC Helicon Ditto Mic Looper Pedal
TC Helicon Ditto Mic Looper Pedal
5.0 of 5 stars (8)
Product Price  $119.00
15% Off $199+ W/ Festive
Rapco Horizon PADBLOX-10 Compact Signal Pad
Rapco Horizon PADBLOX-10 Compact Signal Pad
0 of 5 stars
Product Price  $24.99
sE Electronics DM2 Active In-Line Microphone Preamp Blue
sE Electronics DM2 Active In-Line Microphone Preamp Blue
5.0 of 5 stars (1)
Product Price  $149.00
(1) Open Box:
$131.12
Warm Audio Passive Direct Box
Warm Audio Passive Direct Box
0 of 5 stars
Product Price  $169.00
48-Month Financing*
Neve 2264ALB Limiter/Compressor Module
Neve 2264ALB Limiter/Compressor Module
0 of 5 stars
Product Price  $1,350.00
Or $29/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Neve 33609/N Discrete Stereo Compressor/Limiter
Neve 33609/N Discrete Stereo Compressor/Limiter
0 of 5 stars
Product Price  $4,250.00
Or $89/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Neve 1073LBEQ 500 Series EQ
Neve 1073LBEQ 500 Series EQ
0 of 5 stars
Product Price  $1,145.00
Or $24/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio WA76-D Single-Channel Clean Gain Discrete FET Compressor
Warm Audio WA76-D Single-Channel Clean Gain Discrete FET...
0 of 5 stars
Product Price  $799.00
Or $17/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio WA76-D2 Dual Channel Clean Gain Discrete FET Compressor
Warm Audio WA76-D2 Dual Channel Clean Gain Discrete FET...
0 of 5 stars
Product Price  $1,299.00
Or $28/month^ with 48 month
financing* Limited Time. Details
Warm Audio Warm Lifter Inline Active Microphone Preamp
Warm Audio Warm Lifter Inline Active Microphone Preamp
0 of 5 stars
Product Price  $149.00
48-Month Financing*
Warm Audio WA-MPX Single-Channel Tube Mic Preamp
Warm Audio WA-MPX Single-Channel Tube Mic Preamp
0 of 5 stars
Product Price  $799.00
Or $17/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$639.20
48-Month Financing*
Audient ASP800 8-Channel Microphone Preamplifier and ADC With HMX & IRON Enhancement Circuitry
Audient ASP800 8-Channel Microphone Preamplifier and ADC...
0 of 5 stars
Product Price  $1,199.00
Or $25/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$959.20
Rupert Neve Designs 510 Blank Panel for 500 Series Racks
Rupert Neve Designs 510 Blank Panel for 500 Series Racks
0 of 5 stars
Product Price  $20.00
48-Month Financing*
Rupert Neve Designs 5025 Dual Shelford Mic Preamp
Rupert Neve Designs 5025 Dual Shelford Mic Preamp
0 of 5 stars
Product Price  $3,999.00
Or $84/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Focusrite Clarett+ OctoPre 8-Channel Mic Pre
Focusrite Clarett+ OctoPre 8-Channel Mic Pre
0 of 5 stars
Product Price  $899.99
Or $19/month^ with 48 month
financing* Limited Time. Details
LD Systems FX 300 Vocal Effects Processor With 2-Channel Pedal
LD Systems FX 300 Vocal Effects Processor With 2-Channel...
2.0 of 5 stars (1)
Product Price  $199.99
(1) Open Box:
$175.99
48-Month Financing*
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  $599.00
Or $13/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Focusrite ISA 828 MkII 8-Channel Mic Preamp/DI
Focusrite ISA 828 MkII 8-Channel Mic Preamp/DI
0 of 5 stars
Product Price  $3,499.99
Or $73/month^ with 48 month
financing* Limited Time. Details
Warm Audio WA12 MKII Mic Pre Black
Warm Audio WA12 MKII Mic Pre Black
0 of 5 stars
Product Price  $449.00
(1) Open Box:
$395.12
48-Month Financing*
Neumann V 402 2-Channel Mic Preamp
Neumann V 402 2-Channel Mic Preamp
0 of 5 stars
Product Price  $3,095.00
Or $65/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$2,723.60
Sale
Warm Audio Bus Compressor
Warm Audio Bus Compressor
0 of 5 stars
Product Price  $649.00
$799.00
Or $14/month^ with 48 month
financing* Limited Time. Details
Warm Audio Active Direct Box
Warm Audio Active Direct Box
0 of 5 stars
Product Price  $199.00
48-Month Financing*
Warm Audio TB12 Black Tonebeast Microphone Preamp
Warm Audio TB12 Black Tonebeast Microphone Preamp
0 of 5 stars
Product Price  $699.00
Or $15/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Rupert Neve Designs 535 Diode Bridge Compressor
Rupert Neve Designs 535 Diode Bridge Compressor
0 of 5 stars
Product Price  $999.00
Or $21/month^ with 48 month
financing* Limited Time. Details
Rupert Neve Designs RNDI Active DI Box
Rupert Neve Designs RNDI Active DI Box
5.0 of 5 stars (1)
Product Price  $399.00
Sale
Warm Audio WA273 2-Channel British Mic Pre
Warm Audio WA273 2-Channel British Mic Pre
0 of 5 stars
Product Price  $999.00
$1,199.00
Or $21/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
PreSonus SW5E 5-Port AVB Switch
PreSonus SW5E 5-Port AVB Switch
0 of 5 stars
Product Price  $524.99
Or $11/month^ with 48 month
financing* Limited Time. Details
15% Off $199+ W/ Festive
Cloud Cloudlifter Zi Microphone Activator
Cloud Cloudlifter Zi Microphone Activator
5.0 of 5 stars (1)
Product Price  $379.00
dbx Di1 Active Direct Box
dbx Di1 Active Direct Box
5.0 of 5 stars (1)
Product Price  $185.00
48-Month Financing*
Focusrite Scarlett OctoPre Dynamic 8-Channel Microphone Preamp & Compressor
Focusrite Scarlett OctoPre Dynamic 8-Channel Microphone...
5.0 of 5 stars (1)
Product Price  $899.99
Or $19/month^ with 48 month
financing* Limited Time. Details
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  $1,399.00
Or $30/month^ with 48 month
financing* Limited Time. Details
Rupert Neve Designs R6 Rack Mount Kit
Rupert Neve Designs R6 Rack Mount Kit
0 of 5 stars
Product Price  $80.00
Price Drop
PreSonus TubePre V2 Single-Channel Tube Preamplifier/DI Box
PreSonus TubePre V2 Single-Channel Tube Preamplifier/DI Box
3.5 of 5 stars (7)
Product Price  $199.95
$209.99
(1) Open Box:
$175.96
48-Month Financing*
Art ProMPA II - 2-Channel Tube Mic Preamp
Art ProMPA II - 2-Channel Tube Mic Preamp
4.0 of 5 stars (17)
Product Price  $559.99
Or $12/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$492.79
48-Month Financing*
dbx ZonePRO 640 Speaker Processor
dbx ZonePRO 640 Speaker Processor
0 of 5 stars
Product Price  $970.00
Or $21/month^ with 48 month
financing* Limited Time. Details
15% Off $199+ W/ Festive
Trident Audio TRIDENT 80B-500EQ 500 SERIES MODULE
Trident Audio TRIDENT 80B-500EQ 500 SERIES MODULE
0 of 5 stars
Product Price  $479.00
48-Month Financing*
dbx DriveRack VENU360 Speaker Management System
dbx DriveRack VENU360 Speaker Management System
0 of 5 stars
Product Price  $1,225.00
Or $26/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
dbx ZonePRO 1260m Speaker Processor
dbx ZonePRO 1260m Speaker Processor
0 of 5 stars
Product Price  $1,435.00
Or $30/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
dbx iEQ-31 Graphic EQ
dbx iEQ-31 Graphic EQ
4.5 of 5 stars (3)
Product Price  $1,415.00
Or $30/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
dbx DriveRack 260 Complete Equalization and Loudspeaker Control System
dbx DriveRack 260 Complete Equalization and Loudspeaker...
5.0 of 5 stars (3)
Product Price  $915.00
Or $20/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$732.00
48-Month Financing*
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
Or $19/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
dbx Drive Rack 260 with RTA-M Reference Mic
dbx Drive Rack 260 with RTA-M Reference Mic
5.0 of 5 stars (1)
Product Price  $955.00
Or $20/month^ with 48 month
financing* Limited Time. Details
15% Off $199+ W/ Festive
Cloud Cloudlifter CL-4 Microphone Activator
Cloud Cloudlifter CL-4 Microphone Activator
0 of 5 stars
Product Price  $499.00
Or $11/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio EQP-WA Tube EQ
Warm Audio EQP-WA Tube EQ
4.0 of 5 stars (5)
Product Price  $799.00
Or $17/month^ with 48 month
financing* Limited Time. Details
(1) Open Box:
$703.12
48-Month Financing*
Rupert Neve Designs Portico 543: 500 Series Mono Compressor
Rupert Neve Designs Portico 543: 500 Series Mono Compressor
0 of 5 stars
Product Price  $999.00
Or $21/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Focusrite ISA428 MKII 4-Channel Microphone Preamp
Focusrite ISA428 MKII 4-Channel Microphone Preamp
5.0 of 5 stars (1)
Product Price  $2,299.99
Or $48/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Rupert Neve Designs Portico 511 500-Series Mic Preamp with Texture Control
Rupert Neve Designs Portico 511 500-Series Mic Preamp with...
5.0 of 5 stars (2)
Product Price  $799.00
Or $17/month^ with 48 month
financing* Limited Time. Details
dbx 234xs Stereo 2/3 Way, Mono 4-Way Crossover
dbx 234xs Stereo 2/3 Way, Mono 4-Way Crossover
5.0 of 5 stars (1)
Product Price  $365.00
(1) Open Box:
$321.20
48-Month Financing*
Galaxy Audio DSPOT DS-SP36 3x6 Digital Speaker Processor
Galaxy Audio DSPOT DS-SP36 3x6 Digital Speaker Processor
0 of 5 stars
Product Price  $647.99
Or $14/month^ with 48 month
financing* Limited Time. Details
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  $399.00
48-Month Financing*
Art Voice Channel Tube Mic Preamp
Art Voice Channel Tube Mic Preamp
5.0 of 5 stars (5)
Product Price  $689.99
Or $15/month^ with 48 month
financing* Limited Time. Details
Electro-Harmonix V256 Vocoder Pedal
Electro-Harmonix V256 Vocoder Pedal
3.0 of 5 stars (6)
Product Price  $261.20
dbx PB-48 48-Point 1/4" Patchbay
dbx PB-48 48-Point 1/4" Patchbay
4.5 of 5 stars (6)
Product Price  $170.00
48-Month Financing*
Trident Audio A-Range Dual Channel
Trident Audio A-Range Dual Channel
0 of 5 stars
Product Price  $3,999.99
Or $84/month^ with 48 month
financing* Limited Time. Details
Art CLEANBoxPro Dual-Channel Level Converter
Art CLEANBoxPro Dual-Channel Level Converter
4.5 of 5 stars (3)
Product Price  $109.99
(1) Open Box:
$96.79
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 $30/month^ with 48 month
financing* Limited Time. Details
PreSonus BlueTube DP V2 2-Channel Mic/Instrument Tube Preamp
PreSonus BlueTube DP V2 2-Channel Mic/Instrument Tube...
4.0 of 5 stars (4)
Product Price  $314.99
(1) Open Box:
$277.19
Art SplitCom Pro 2 Way Mic Splitter / Combiner
Art SplitCom Pro 2 Way Mic Splitter / Combiner
5.0 of 5 stars (13)
Product Price  $59.99