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?
 Electric Guitar Month! Shop deals & special financing. 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

(328 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
Whirlwind IMP 2 Standard Direct Box
Whirlwind IMP 2 Standard Direct Box
5.0 of 5 stars (27)
Product Price  $79.00
Rolls MP13 Mini-Mic Preamp
Rolls MP13 Mini-Mic Preamp
5.0 of 5 stars (6)
Product Price  $89.00
(1) Open Box:
$78.32
Galaxy Audio CM-130 Check Mate SPL Meter
Galaxy Audio CM-130 Check Mate SPL Meter
5.0 of 5 stars (5)
Product Price  $79.99
American Recorder Technologies Sound Level Meter
American Recorder Technologies Sound Level Meter
4.5 of 5 stars (5)
Product Price  $89.95
sE Electronics DM1 Dynamite Active Inline Preamp
sE Electronics DM1 Dynamite Active Inline Preamp
4.0 of 5 stars (5)
Product Price  $99.00
Rapco Horizon CVPBLOX Variable Pad Microphone Volume Control
Rapco Horizon CVPBLOX Variable Pad Microphone Volume...
4.0 of 5 stars (7)
Product Price  $59.99
Live Wire ADI Active DI Direct Box
Live Wire ADI Active DI Direct Box
4.0 of 5 stars (4)
Product Price  $62.99
Neutrik 48-Point TRS Patchbay
Neutrik 48-Point TRS Patchbay
4.0 of 5 stars (5)
Product Price  $98.68
Rapco Horizon STL-1 Stereo Line Direct Box
Rapco Horizon STL-1 Stereo Line Direct Box
5.0 of 5 stars (7)
Product Price  $89.99
(1) Open Box:
$79.19
Art ARTcessories Xdirect Professional Active Direct Box
Art ARTcessories Xdirect Professional Active Direct Box
4.5 of 5 stars (4)
Product Price  $65.99
(1) Open Box:
$58.07
Art dPDB Dual Passive Direct Box
Art dPDB Dual Passive Direct Box
0 of 5 stars
Product Price  $65.99
Art P16 16-Channel XLR Balanced Patch Bay
Art P16 16-Channel XLR Balanced Patch Bay
0 of 5 stars
Product Price  $99.99
Art AVDIBOX AV Direct Box
Art AVDIBOX AV Direct Box
0 of 5 stars
Product Price  $85.99
New
Behringer DS2800 2-Input/8-Output Distribution Splitter
Behringer DS2800 2-Input/8-Output Distribution Splitter
0 of 5 stars
Product Price  $99.00
Galaxy Audio Cable Tester
Galaxy Audio Cable Tester
4.5 of 5 stars (3)
Product Price  $64.79
Rapco Horizon ISOBLOX Compact Signal Isolator
Rapco Horizon ISOBLOX Compact Signal Isolator
5.0 of 5 stars (1)
Product Price  $54.99
Art Dual Transformer/Isolator Hum Eliminator
Art Dual Transformer/Isolator Hum Eliminator
5.0 of 5 stars (3)
Product Price  $79.99
(1) Open Box:
$70.39
Art CLEANBoxPro Dual-Channel Level Converter
Art CLEANBoxPro Dual-Channel Level Converter
4.5 of 5 stars (3)
Product Price  $89.99
(1) Open Box:
$79.19
Art CoolSWITCH A/B-Y Box
Art CoolSWITCH A/B-Y Box
3.5 of 5 stars (12)
Product Price  $65.99
Shure RPM626 In-Line Preamp for Shure BETA Series
Shure RPM626 In-Line Preamp for Shure BETA Series
0 of 5 stars
Product Price  $90.00
(1) Open Box:
$79.20
Radial Engineering StageBug SB-2 Compact Passive Direct Box
Radial Engineering StageBug SB-2 Compact Passive Direct Box
0 of 5 stars
Product Price  $89.99
Radial Engineering StageBug SB-4 Compact Active Piezo DI
Radial Engineering StageBug SB-4 Compact Active Piezo DI
0 of 5 stars
Product Price  $99.99
Radial Engineering StageBug SB-1 Compact Active Direct Box
Radial Engineering StageBug SB-1 Compact Active Direct Box
5.0 of 5 stars (1)
Product Price  $89.99
Mackie MDB-2P Stereo Passive Direct Box
Mackie MDB-2P Stereo Passive Direct Box
0 of 5 stars
Product Price  $79.99
Mackie MDB-1P Passive Direct Box
Mackie MDB-1P Passive Direct Box
0 of 5 stars
Product Price  $69.99
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
0 of 5 stars
Product Price  $79.99
Behringer MIC500USB Audiophile Vacuum Tube Preamplifier with Preamp Modeling Technology and USB/Audio Interface
Behringer MIC500USB Audiophile Vacuum Tube Preamplifier...
0 of 5 stars
Product Price  $99.00
Behringer ULTRALINK MS8000
Behringer ULTRALINK MS8000
0 of 5 stars
Product Price  $99.00
Rupert Neve Designs R6 Rack Mount Kit
Rupert Neve Designs R6 Rack Mount Kit
0 of 5 stars
Product Price  $80.00
Radial Engineering IceCube IC-1 Balanced Line Isolator and Hum Eliminator
Radial Engineering IceCube IC-1 Balanced Line Isolator and...
2.0 of 5 stars (1)
Product Price  $79.99
Behringer MIC300 Audiophile Vacuum Tube Preamplifier with Limiter
Behringer MIC300 Audiophile Vacuum Tube Preamplifier with...
0 of 5 stars
Product Price  $79.00
Palmer Audio Trave Passive Re-amplification Box
Palmer Audio Trave Passive Re-amplification Box
0 of 5 stars
Product Price  $79.99
Radial Engineering Reamp HP Compact Reamper
Radial Engineering Reamp HP Compact Reamper
0 of 5 stars
Product Price  $99.99
Klark Teknik MIC BOOSTER CM-2 2-Channel Dynamic Microphone Booster with Preamps
Klark Teknik MIC BOOSTER CM-2 2-Channel Dynamic Microphone...
0 of 5 stars
Product Price  $69.00
Behringer PX3000 Ultrapatch Pro Patchbay
Behringer PX3000 Ultrapatch Pro Patchbay
4.0 of 5 stars (12)
Product Price  $89.00
ProCo DB-1 Direct Box
ProCo DB-1 Direct Box
4.0 of 5 stars (27)
Product Price  $79.99
Yorkville dADB Dual Active Direct Box
Yorkville dADB Dual Active Direct Box
0 of 5 stars
Product Price  $85.99
Yorkville DualXDirect Professional Active Direct Box
Yorkville DualXDirect Professional Active Direct Box
5.0 of 5 stars (1)
Product Price  $75.99
New
Klark Teknik DI 10A Active Direct Box
Klark Teknik DI 10A Active Direct Box
0 of 5 stars
Product Price  $59.00
New
Klark Teknik DI AV 22P Stereo Passive Direct Box
Klark Teknik DI AV 22P Stereo Passive Direct Box
0 of 5 stars
Product Price  $69.00