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?
 Shop Fourth of July Deals up to 40% off or use code: JULY4 on select gear. Call 888-688-0208 or chat for even more savings!
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

(486 Items)

  • Direct Boxes

    Direct Boxes

  • Equalizers

    Equalizers

  • Compressors & Limiters

    Compressors & Limiters

  • 500 Series Gear

    500 Series Gear
Clear All
48-Month Financing*
API 512v Discrete Mic/Line Preamp
API 512v Discrete Mic/Line Preamp
0 of 5 stars
Product Price  $995.00
Or $20.73/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
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
Or $33.31/month^ with 48 month
financing* Limited Time. Details
Rupert Neve Designs Active DI Box
Rupert Neve Designs Active DI Box
5.0 of 5 stars (1)
Product Price  $299.00
Radial Engineering Catapult Mini TX 4-Channel Cat 5 Audio Snake
Radial Engineering Catapult Mini TX 4-Channel Cat 5 Audio...
0 of 5 stars
Product Price  $119.99
48-Month Financing*
Rupert Neve Designs 545 Primary Source Enhancer
Rupert Neve Designs 545 Primary Source Enhancer
0 of 5 stars
Product Price  $799.00
Or $16.65/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Black Lion Audio Seventeen Compressor
Black Lion Audio Seventeen Compressor
0 of 5 stars
Product Price  $699.00
Or $14.56/month^ with 48 month
financing* Limited Time. Details
Mackie MDB-2P Stereo Passive Direct Box
Mackie MDB-2P Stereo Passive Direct Box
0 of 5 stars
Product Price  $77.88
48-Month Financing*
PreSonus SW5E 5-Port AVB Switch
PreSonus SW5E 5-Port AVB Switch
0 of 5 stars
Product Price  $499.99
Or $10.42/month^ with 48 month
financing* Limited Time. Details
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  $699.99
Or $14.58/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 (2)
Product Price  $1,299.00
Or $27.06/month^ with 48 month
financing* Limited Time. Details
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
TC Helicon Harmony Singer 2 Vocal Harmony and Reverb Pedal
3.5 of 5 stars (15)
Product Price  $209.00
48-Month Financing*
Warm Audio WA-2A Tube Opto Compressor
Warm Audio WA-2A Tube Opto Compressor
5.0 of 5 stars (1)
Product Price  $949.00
Or $19.77/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  $825.00
Or $17.19/month^ with 48 month
financing* Limited Time. Details
Radial Engineering Reamp JCR Passive Reamper
Radial Engineering Reamp JCR Passive Reamper
5.0 of 5 stars (4)
Product Price  $249.99
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  $254.99
15% Off $99+ w/ JULY4
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
BOSS VE-22 Vocal Performer Effects Processor
BOSS VE-22 Vocal Performer Effects Processor
0 of 5 stars
Product Price  $349.99
48-Month Financing*
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  $1,399.99
Or $29.17/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
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  $2,499.99
Or $52.08/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Warm Audio WA-1B Optical Compressor
Warm Audio WA-1B Optical Compressor
5.0 of 5 stars (2)
Product Price  $1,199.00
Or $24.98/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Rupert Neve Designs Newton Channel Strip With Mic Pre + EQ + Compressor With Silk
Rupert Neve Designs Newton Channel Strip With Mic Pre + EQ...
0 of 5 stars
Product Price  $1,999.00
Or $41.65/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Black Lion Audio Bluey 500 FET Limiting Amplifier
Black Lion Audio Bluey 500 FET Limiting Amplifier
0 of 5 stars
Product Price  $699.00
Or $14.56/month^ with 48 month
financing* Limited Time. Details
Radial Engineering Reamp Station Studio Reamper & Direct Box
Radial Engineering Reamp Station Studio Reamper & Direct...
0 of 5 stars
Product Price  $479.99
LD Systems FX 300 Vocal Effects Processor With 2-Channel Pedal
LD Systems FX 300 Vocal Effects Processor With 2-Channel...
0 of 5 stars
Product Price  $199.99
Radial Engineering HotShot 48V Condenser Microphone Switcher
Radial Engineering HotShot 48V Condenser Microphone...
0 of 5 stars
Product Price  $319.99
48-Month Financing*
TC Helicon VoiceLive 3 Extreme Vocal and Guitar Effects Processor Pedal
TC Helicon VoiceLive 3 Extreme Vocal and Guitar Effects...
4.0 of 5 stars (13)
Product Price  $739.00
Or $15.4/month^ with 48 month
financing* Limited Time. Details
ART 355 Dual Channel 31-Band EQ
ART 355 Dual Channel 31-Band EQ
5.0 of 5 stars (12)
Product Price  $239.99
48-Month Financing*
Chandler Limited TG2-500 Series Microphone Preamp
Chandler Limited TG2-500 Series Microphone Preamp
0 of 5 stars
Product Price  $995.00
Or $20.73/month^ with 48 month
financing* Limited Time. Details
New
Klark Teknik 2A-KT Classic Leveling Amplifier
Klark Teknik 2A-KT Classic Leveling Amplifier
0 of 5 stars
Product Price  $379.00
48-Month Financing*
BAE 1073MP Dual Channel Mic Pre
2 Styles Available
BAE 1073MP Dual Channel Mic Pre
0 of 5 stars
Product Price  $2,295.00
Or $47.81/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
4.5 of 5 stars (2)
Product Price  $349.99
48-Month Financing*
Drawmer 1974 Stereo Parametric Equaliser
Drawmer 1974 Stereo Parametric Equaliser
0 of 5 stars
Product Price  $1,249.00
Or $26.02/month^ with 48 month
financing* Limited Time. Details
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
TC Helicon Mic Mechanic 2 Vocal Effects Pedal
3.5 of 5 stars (3)
Product Price  $159.00
48-Month Financing*
Chandler Limited Germ 500 MKII 500-Series Preamplifier
Chandler Limited Germ 500 MKII 500-Series Preamplifier
0 of 5 stars
Product Price  $995.00
Or $20.73/month^ with 48 month
financing* Limited Time. Details
dbx 530 Series Parametric EQ
dbx 530 Series Parametric EQ
5.0 of 5 stars (1)
Product Price  $289.00
Radial Engineering McBoost Microphone Signal Intensifier
Radial Engineering McBoost Microphone Signal Intensifier
5.0 of 5 stars (1)
Product Price  $229.99
New
TC Helicon VoiceLive Play Vocal Effects Pedal
TC Helicon VoiceLive Play Vocal Effects Pedal
4.5 of 5 stars (46)
Product Price  $299.00
48-Month Financing*
Rupert Neve Designs MBT Master Bus Transformer
Rupert Neve Designs MBT Master Bus Transformer
0 of 5 stars
Product Price  $3,999.00
Or $83.31/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Chandler Limited RS660 Tube Compressor/Limiter
Chandler Limited RS660 Tube Compressor/Limiter
0 of 5 stars
Product Price  $3,399.00
Or $70.81/month^ with 48 month
financing* Limited Time. Details
48-Month Financing*
Heritage Audio 81A Microphone Preamp & EQ
Heritage Audio 81A Microphone Preamp & EQ
0 of 5 stars
Product Price  $1,199.00
Or $24.98/month^ with 48 month
financing* Limited Time. Details