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?
 Save on Gibson - Up to 20% off & special financing or Call 888-688-0208 or chat for more deals Save on Gibson - Up to 20% off & more
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

(2125 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
API 560 Special-Edition Discrete 10-Band Graphic EQ
API 560 Special-Edition Discrete 10-Band Graphic EQ
0 of 5 stars
Product Price  $1,095.00
Solid State Logic PURE DRIVE QUAD 4-Channel Microphone Preamp
Solid State Logic PURE DRIVE QUAD 4-Channel Microphone...
0 of 5 stars
Product Price  $1,699.99
Solid State Logic PURE DRIVE OCTO 8-Channel Microphone Preamp
Solid State Logic PURE DRIVE OCTO 8-Channel Microphone...
0 of 5 stars
Product Price  $2,999.99
24-Month Financing*
AEA RPQ3 Microphone Preamp
AEA RPQ3 Microphone Preamp
0 of 5 stars
Product Price  $1,799.00
Or $75/month^ with 24 month
financing* Limited Time. Details
API 3122V 2-Channel Mic/Line Pre With Variable Output and High-Pass Filter
API 3122V 2-Channel Mic/Line Pre With Variable Output and...
0 of 5 stars
Product Price  $2,195.00
(1) Open Box:
$1,931.60
API Select SV14 4-Band EQ
API Select SV14 4-Band EQ
0 of 5 stars
Product Price  $595.00
Radial Engineering Reamp Station Studio Reamper & Direct Box
Radial Engineering Reamp Station Studio Reamper & Direct...
0 of 5 stars
Product Price  $399.99
BAE Bae 500C 500 Ser Fet Comp
BAE Bae 500C 500 Ser Fet Comp
0 of 5 stars
Product Price  $1,095.00
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
Royer dBooster2 Stereo In-Line Signal Booster and DI
Royer dBooster2 Stereo In-Line Signal Booster and DI
0 of 5 stars
Product Price  $349.00
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
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
(1) Open Box:
$110.88
24-Month Financing*
MESA/Boogie Clearlink (Receive) Converter & ISO Transformer
MESA/Boogie Clearlink (Receive) Converter & ISO Transformer
0 of 5 stars
Product Price  $355.00
Or $15/month^ with 24 month
financing* Limited Time. Details
(1) Open Box:
$312.40
API Select SR24 Dual-Channel Equalizer
API Select SR24 Dual-Channel Equalizer
0 of 5 stars
Product Price  $1,295.00
API Select T12 2-Channel Tube Mic Pre
API Select T12 2-Channel Tube Mic Pre
0 of 5 stars
Product Price  $2,195.00
API Select T25 2-Channel Tube Compressor
API Select T25 2-Channel Tube Compressor
0 of 5 stars
Product Price  $2,195.00
API Select SR22 Dual-Channel Compressor
API Select SR22 Dual-Channel Compressor
0 of 5 stars
Product Price  $1,295.00
API 527A Compressor/Limiter
API 527A Compressor/Limiter
0 of 5 stars
Product Price  $1,195.00
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  $3,900.00
Art AVDIBOX AV Direct Box
Art AVDIBOX AV Direct Box
0 of 5 stars
Product Price  $104.99
Solid State Logic SiX Channel 500 Series Mini Channel Strip
Solid State Logic SiX Channel 500 Series Mini Channel Strip
5.0 of 5 stars (2)
Product Price  $499.99
Solid State Logic E-Series EQ 500 Series EQ
Solid State Logic E-Series EQ 500 Series EQ
0 of 5 stars
Product Price  $899.99
API 565 Filter Bank
API 565 Filter Bank
0 of 5 stars
Product Price  $595.00
API 312 500 Series Mic Preamp
API 312 500 Series Mic Preamp
0 of 5 stars
Product Price  $795.00
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  $599.00
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
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
Radial Engineering HotShot 48V Condenser Microphone Switcher
Radial Engineering HotShot 48V Condenser Microphone...
0 of 5 stars
Product Price  $329.99
SPL Track One 2960
SPL Track One 2960
0 of 5 stars
Product Price  $1,399.00
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
API 2500+ Stereo Bus Compressor
API 2500+ Stereo Bus Compressor
0 of 5 stars
Product Price  $3,295.00
Price Drop
Radial Engineering HDI High Definition Studio Direct Box
Radial Engineering HDI High Definition Studio Direct Box
0 of 5 stars
Product Price  $849.99
$949.99
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
48-Month Financing*
Warm Audio Bus Compressor
Warm Audio Bus Compressor
0 of 5 stars
Product Price  $799.00
Or $17/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
Radial Engineering SW8-USB Auto-Switcher and USB Interface
Radial Engineering SW8-USB Auto-Switcher and USB Interface
0 of 5 stars
Product Price  $2,199.99
Radial Engineering Exo-Pod 10 Channel Press Box & Expander
Radial Engineering Exo-Pod 10 Channel Press Box & Expander
0 of 5 stars
Product Price  $389.99
Black Lion Audio Bluey Modified Blue Stripe Compressor
Black Lion Audio Bluey Modified Blue Stripe Compressor
0 of 5 stars
Product Price  $999.00
Rupert Neve Designs 535 Diode Bridge Compressor
Rupert Neve Designs 535 Diode Bridge Compressor
0 of 5 stars
Product Price  $999.00
Rupert Neve Designs RNDI Active DI Box
Rupert Neve Designs RNDI Active DI Box
5.0 of 5 stars (1)
Product Price  $399.00
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
Radial Engineering StageBug SB-5 Stereo Laptop Direct Box
Radial Engineering StageBug SB-5 Stereo Laptop Direct Box
5.0 of 5 stars (1)
Product Price  $124.99
Black Lion Audio B173Quad 4-Channel Mic Pre
Black Lion Audio B173Quad 4-Channel Mic Pre
0 of 5 stars
Product Price  $1,499.00
Grace Design m108 8-Channel Microphone Preamp
Grace Design m108 8-Channel Microphone Preamp
0 of 5 stars
Product Price  $3,966.00
Behringer SUPER-X PRO CX3400 V2 Multi-Channel Crossover With Limiters
Behringer SUPER-X PRO CX3400 V2 Multi-Channel Crossover...
0 of 5 stars
Product Price  $139.00
Klark DS 50 Passive 5-Output Signal Splitter
Klark DS 50 Passive 5-Output Signal Splitter
5.0 of 5 stars (1)
Product Price  $43.90
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
Black Lion Audio Seventeen Compressor
Black Lion Audio Seventeen Compressor
0 of 5 stars
Product Price  $699.00
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  $1,199.00
Or $25/month^ with 48 month
financing* Limited Time. Details
Mackie MDB-1P Passive Direct Box
Mackie MDB-1P Passive Direct Box
0 of 5 stars
Product Price  $79.99
Mackie MDB-USB USB Stereo Direct Box
Mackie MDB-USB USB Stereo Direct Box
0 of 5 stars
Product Price  $179.99
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
0 of 5 stars
Product Price  $89.99
Radial Engineering Catapult 4-channel Cat 5 Audio Snake (TX4 Transmitter Module)
Radial Engineering Catapult 4-channel Cat 5 Audio Snake...
0 of 5 stars
Product Price  $234.99
Radial Engineering Catapult 4-channel Cat 5 Audio Snake (RX4 Receiver Module)
Radial Engineering Catapult 4-channel Cat 5 Audio Snake...
0 of 5 stars
Product Price  $234.99
24-Month Financing*
PreSonus SW5E 5-Port AVB Switch
PreSonus SW5E 5-Port AVB Switch
0 of 5 stars
Product Price  $524.99
Or $22/month^ with 24 month
financing* Limited Time. Details
48-Month Financing*
RME Micstasy M 8-Channel 24-Bit/192kHz Preamp 64 MADI
RME Micstasy M 8-Channel 24-Bit/192kHz Preamp 64 MADI
0 of 5 stars
Product Price  $4,599.00
Or $96/month^ with 48 month
financing* Limited Time. Details
Radial Engineering SW8 8-Channel Passive Auto Switcher
Radial Engineering SW8 8-Channel Passive Auto Switcher
0 of 5 stars
Product Price  $1,399.99
dbx Di1 Active Direct Box
dbx Di1 Active Direct Box
5.0 of 5 stars (1)
Product Price  $195.00
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