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 Sale - Take an extra 15% off price dropped gear - Call 888-688-0208 or chat for even more savings! Extra 15% Off Used Price Drops
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

(394 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
dbx PB-48 48-Point 1/4" Patchbay
dbx PB-48 48-Point 1/4" Patchbay
4.5 of 5 stars (6)
Product Price  $180.00
Art CLEANBoxPro Dual-Channel Level Converter
Art CLEANBoxPro Dual-Channel Level Converter
4.5 of 5 stars (3)
Product Price  $109.99
Galaxy Audio CM-140 Check Mate SPL Meter
Galaxy Audio CM-140 Check Mate SPL Meter
0 of 5 stars
Product Price  $159.99
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
4.0 of 5 stars (4)
Product Price  $139.00
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  $179.00
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
4.0 of 5 stars (17)
Product Price  $149.00
Price Drop
Neutrik 48-Point TRS Patchbay
Neutrik 48-Point TRS Patchbay
4.0 of 5 stars (5)
Product Price  $108.86
$115.99
Behringer SUPER-X PRO CX2310 V2 Multi-Channel Crossover With Subwoofer Out
Behringer SUPER-X PRO CX2310 V2 Multi-Channel Crossover...
0 of 5 stars
Product Price  $119.00
(1) Open Box:
$104.72
Behringer ULTRAGRAPH PRO FBQ1502HD 2-Channel 15-Band Graphic EQ
Behringer ULTRAGRAPH PRO FBQ1502HD 2-Channel 15-Band...
4.5 of 5 stars (6)
Product Price  $137.52
TC Helicon TALKBOX SYNTH Guitar Effects Pedal
TC Helicon TALKBOX SYNTH Guitar Effects Pedal
3.0 of 5 stars (1)
Product Price  $139.00
Nady GEQ-215 2-Channel 15-Band Graphic Equalizer
Nady GEQ-215 2-Channel 15-Band Graphic Equalizer
4.5 of 5 stars (9)
Product Price  $109.99
Price Drop
Behringer MIC2200 V2 Tube Mic/Line Preamp
Behringer MIC2200 V2 Tube Mic/Line Preamp
0 of 5 stars
Product Price  $169.00
$189.00
Behringer Virtualizer 3D FX2000 Multi-Effects Processor
Behringer Virtualizer 3D FX2000 Multi-Effects Processor
4.5 of 5 stars (26)
Product Price  $109.00
Behringer ULTRA-DI PRO DI800 V2 8-Channel Active Direct Box
Behringer ULTRA-DI PRO DI800 V2 8-Channel Active Direct Box
0 of 5 stars
Product Price  $139.00
Behringer Utralink Pro MX882 V2 Rackmount Mixer/Splitter
Behringer Utralink Pro MX882 V2 Rackmount Mixer/Splitter
0 of 5 stars
Product Price  $129.00
Walrus Audio Canvas Mono Line Isolator/Direct Box
Walrus Audio Canvas Mono Line Isolator/Direct Box
0 of 5 stars
Product Price  $149.99
Nady CX23SW 3-Way Stereo Crossover
Nady CX23SW 3-Way Stereo Crossover
3.0 of 5 stars (1)
Product Price  $131.99
Behringer ULTRA-DI PRO DI4000 V2 4-Channel Active Direct Box
Behringer ULTRA-DI PRO DI4000 V2 4-Channel Active Direct...
0 of 5 stars
Product Price  $159.00
(1) Open Box:
$139.92
Behringer Sonic Exciter SX3040 V2 2-Channel Sound-Enhancement Processor
Behringer Sonic Exciter SX3040 V2 2-Channel...
0 of 5 stars
Product Price  $109.00
Black Lion Audio PBR TRS Patchbay
Black Lion Audio PBR TRS Patchbay
0 of 5 stars
Product Price  $199.00
(1) Open Box:
$175.12
Klark Teknik DF1000 2-Channel Automatic Feedback Suppression Processor
Klark Teknik DF1000 2-Channel Automatic Feedback...
0 of 5 stars
Product Price  $199.00
Behringer MIC300 Audiophile Vacuum Tube Preamplifier with Limiter
Behringer MIC300 Audiophile Vacuum Tube Preamplifier with...
0 of 5 stars
Product Price  $109.00
Klark Teknik 3rd Dimension BBD-320 Analog Multi-Dimensional Signal Processor
Klark Teknik 3rd Dimension BBD-320 Analog Multi-Dimensional...
0 of 5 stars
Product Price  $169.00
Behringer MDX4600 V2 4-Channel Compressor and Limiter
Behringer MDX4600 V2 4-Channel Compressor and Limiter
0 of 5 stars
Product Price  $189.00
Klark Teknik DN200 V2 Stereo Active Direct Box
Klark Teknik DN200 V2 Stereo Active Direct Box
0 of 5 stars
Product Price  $159.00
Shure RK100PKW RFI Resistant , Inline Preamp for all MX Models (White)
Shure RK100PKW RFI Resistant , Inline Preamp for all MX...
5.0 of 5 stars (1)
Product Price  $126.00
Art P48 48-Point Patch Bay
Art P48 48-Point Patch Bay
0 of 5 stars
Product Price  $159.99
Black Lion Audio AUTEUR MK2 500 series Mic Preamp / DI
Black Lion Audio AUTEUR MK2 500 series Mic Preamp / DI
0 of 5 stars
Product Price  $199.00
Radial Engineering Stagebug SB5W Wall Mounted Multimedia Stereo DI box
Radial Engineering Stagebug SB5W Wall Mounted Multimedia...
0 of 5 stars
Product Price  $169.99
Radial Engineering SAT-2 Stereo Audio Attenuator & Monitor Controller
Radial Engineering SAT-2 Stereo Audio Attenuator & Monitor...
0 of 5 stars
Product Price  $199.99
Behringer DS2800 2-Input/8-Output Distribution Splitter
Behringer DS2800 2-Input/8-Output Distribution Splitter
0 of 5 stars
Product Price  $119.00
TC Helicon Perform-VG Vocal and Acoustic Guitar Processor
TC Helicon Perform-VG Vocal and Acoustic Guitar Processor
3.5 of 5 stars (3)
Product Price  $199.00
Palmer Audio Palmer Audio PLI 04 Line Isolation Box 2 Channel
Palmer Audio Palmer Audio PLI 04 Line Isolation Box 2...
0 of 5 stars
Product Price  $199.99
Palmer Audio Palmer Audio PLI 05 Line Isolation Box 2 Channel
Palmer Audio Palmer Audio PLI 05 Line Isolation Box 2...
0 of 5 stars
Product Price  $149.99
Palmer Audio Palmer Audio PLI 03 Line Isolation Box 2 Channel
Palmer Audio Palmer Audio PLI 03 Line Isolation Box 2...
0 of 5 stars
Product Price  $159.99
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  $119.00
Radial Engineering McBoost Microphone Signal Intensifier
Radial Engineering McBoost Microphone Signal Intensifier
5.0 of 5 stars (1)
Product Price  $199.99
TC Helicon VoiceTone Single R1 Vocal Tuned Reverb Effects Pedal
TC Helicon VoiceTone Single R1 Vocal Tuned Reverb Effects...
4.5 of 5 stars (12)
Product Price  $139.00
Art SyncGen Wordclock Sample Rate Generator
Art SyncGen Wordclock Sample Rate Generator
5.0 of 5 stars (1)
Product Price  $179.99
Behringer FBQ2496 Feedback Destroyer Pro Feedback Suppressor/Parametric EQ
Behringer FBQ2496 Feedback Destroyer Pro Feedback...
4.5 of 5 stars (13)
Product Price  $169.00
dbx dB10 Passive Direct Box
dbx dB10 Passive Direct Box
5.0 of 5 stars (1)
Product Price  $140.00
Galaxy Audio CPTS0000 Cricket Polarity Test Set
Galaxy Audio CPTS0000 Cricket Polarity Test Set
5.0 of 5 stars (1)
Product Price  $119.99
dbx dB12 Active Direct Box
dbx dB12 Active Direct Box
0 of 5 stars
Product Price  $195.00
Universal Audio 1176SA Stereo Adapter
Universal Audio 1176SA Stereo Adapter
0 of 5 stars
Product Price  $199.00
Used Art T8 Signal Processor
Used Art T8 Signal Processor
Product Price  $159.99
Excellent Condition
Used Radial Engineering ProD2 Direct Box
Used Radial Engineering ProD2 Direct Box
Product Price  $154.99
Excellent Condition
Used TC Helicon R1 Vocal Processor
Used TC Helicon R1 Vocal Processor
Product Price  $109.99
Excellent Condition
Used Lampifier INFINITE Direct Box
Used Lampifier INFINITE Direct Box
Product Price  $199.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $104.99
Excellent Condition
Used Black Lion Audio AUTEUR DT Microphone Preamp
Used Black Lion Audio AUTEUR DT Microphone Preamp
Product Price  $174.99
Excellent Condition
Used Cloud Cloudlifter CL-2 Microphone Preamp
Used Cloud Cloudlifter CL-2 Microphone Preamp
Product Price  $169.99
Excellent Condition
Used Universal Audio LA2A Compressor
Used Universal Audio LA2A Compressor
Product Price  $110.99
Excellent Condition
Used Universal Audio LA2A Compressor
Used Universal Audio LA2A Compressor
Product Price  $110.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $104.99
Excellent Condition
Used BOSS VE-2 Vocal Processor
Used BOSS VE-2 Vocal Processor
Product Price  $199.99
Excellent Condition
Used Hrk ST596 Rack Equipment
Used Hrk ST596 Rack Equipment
Product Price  $199.99
Excellent Condition
Used Ga Project PRE-73 Jr MKII Microphone Preamp
Used Ga Project PRE-73 Jr MKII Microphone Preamp
Product Price  $160.99
Excellent Condition
Used dbx 266XS Compressor
Used dbx 266XS Compressor
Product Price  $104.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $104.99
Excellent Condition
Used Cloud Cloudlifter CL-1 Microphone Preamp
Used Cloud Cloudlifter CL-1 Microphone Preamp
Product Price  $119.99
Excellent Condition