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?
 Spring Clearance Sale - Up to 60% off select gear. Call 888-688-0208 or chat for the best deals. Spring Clearance Sale - Up to 60% off select gear!
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 Used Signal Processors

Used Signal Processors

(1560 Items)
Clear All
Members +10% Savings
Universal Audio LA-2A Classic Leveling Amplifier
Open-Box Universal Audio LA-2A Classic Leveling Amplifier
5.0 of 5 stars (2)
(1) Open Box:
$5,279.12
Members +10% Savings
Manley VOXBOX Combo
Open-Box Manley VOXBOX Combo
0 of 5 stars
(1) Open Box:
$4,399.12
Members +10% Savings
API 512v Discrete Mic/Line Preamp
Open-Box API 512v Discrete Mic/Line Preamp
0 of 5 stars
(1) Open Box:
$875.60
Members +10% Savings
Empirical Labs EL8X Distressor Compressor With British Mod and Image Link
Open-Box Empirical Labs EL8X Distressor Compressor With British Mod...
4.5 of 5 stars (2)
(1) Open Box:
$1,583.12
Members +10% Savings
Summit Audio EQP-200B Dual Program Equalizer
Open-Box Summit Audio EQP-200B Dual Program Equalizer
0 of 5 stars
(1) Open Box:
$3,695.99
Members +10% Savings
Rupert Neve Designs Shelford Channel
Open-Box Rupert Neve Designs Shelford Channel
5.0 of 5 stars (1)
(1) Open Box:
$3,519.12
Members +10% Savings
Universal Audio 6176 Channel Strip
Open-Box Universal Audio 6176 Channel Strip
5.0 of 5 stars (3)
(1) Open Box:
$3,079.12
Members +10% Savings
Neumann V 402 2-Channel Mic Preamp
Open-Box Neumann V 402 2-Channel Mic Preamp
0 of 5 stars
(1) Open Box:
$2,723.60
Members +10% Savings
Universal Audio LA-610 Mk II Classic Tube Recording Channel
Open-Box Universal Audio LA-610 Mk II Classic Tube Recording Channel
5.0 of 5 stars (12)
(1) Open Box:
$2,199.12
Members +10% Savings
dbx ZonePRO 640 Speaker Processor
Open-Box dbx ZonePRO 640 Speaker Processor
0 of 5 stars
(1) Open Box:
$703.12
Members +10% Savings
BAE 1073MP Single-Channel Rackmount Pre
Open-Box BAE 1073MP Single-Channel Rackmount Pre
0 of 5 stars
(1) Open Box:
$963.60
Members +10% Savings
ART Tube MP Studio V3 Microphone Preamp
Open-Box ART Tube MP Studio V3 Microphone Preamp
0 of 5 stars
(1) Open Box:
$167.19
Members +10% Savings
Warm Audio WA-2A Tube Opto Compressor
Open-Box Warm Audio WA-2A Tube Opto Compressor
5.0 of 5 stars (1)
(1) Open Box:
$835.12
Members +10% Savings
Focusrite Scarlett OctoPre 8-Channel Microphone Preamp
Open-Box Focusrite Scarlett OctoPre 8-Channel Microphone Preamp
3.5 of 5 stars (3)
(1) Open Box:
$439.99
Members +10% Savings
Black Lion Audio Bluey Modified Blue Stripe Compressor
Open-Box Black Lion Audio Bluey Modified Blue Stripe Compressor
0 of 5 stars
(1) Open Box:
$879.12
Members +10% Savings
Soyuz Microphones The Lakeside Single Channel Class-A Mic Preamp
Open-Box Soyuz Microphones The Lakeside Single Channel Class-A Mic...
0 of 5 stars
(1) Open Box:
$1,319.12
Members +10% Savings
Empirical Labs Mike-E Mic Pre with Compression and Saturation
Open-Box Empirical Labs Mike-E Mic Pre with Compression and...
5.0 of 5 stars (1)
(1) Open Box:
$1,495.12
Members +10% Savings
ProCo Panic Button Mic A/B Box
Open-Box ProCo Panic Button Mic A/B Box
4.0 of 5 stars (5)
(1) Open Box:
$129.35
Members +10% Savings
TC Helicon VoiceTone Single H1 Intelligent Harmony Effects Pedal
Open-Box TC Helicon VoiceTone Single H1 Intelligent Harmony Effects...
4.5 of 5 stars (66)
(1) Open Box:
$122.32
Members +10% Savings
Warm Audio WA76-D2 Dual Channel Clean Gain Discrete FET Compressor
Open-Box Warm Audio WA76-D2 Dual Channel Clean Gain Discrete FET...
0 of 5 stars
(1) Open Box:
$1,055.12
Members +10% Savings
Universal Audio 710 Twin-Finity Mic Pre & DI Box
Open-Box Universal Audio 710 Twin-Finity Mic Pre & DI Box
4.5 of 5 stars (5)
(1) Open Box:
$879.12
Members +10% Savings
Roland VT-12 Vocal Trainer
Open-Box Roland VT-12 Vocal Trainer
4.5 of 5 stars (7)
(1) Open Box:
$219.99
Members +10% Savings
dbx 223xs Stereo 2-Way/Mono 3-Way Crossover
Open-Box dbx 223xs Stereo 2-Way/Mono 3-Way Crossover
4.5 of 5 stars (8)
(3) Open Box: from
$207.20
Members +10% Savings
Focusrite Scarlett OctoPre Dynamic 8-Channel Microphone Preamp & Compressor
Open-Box Focusrite Scarlett OctoPre Dynamic 8-Channel Microphone...
5.0 of 5 stars (1)
(1) Open Box:
$615.99
Members +10% Savings
Behringer Ultravoice UV1 Channel Strip and USB Audio Interface
Open-Box Behringer Ultravoice UV1 Channel Strip and USB Audio...
0 of 5 stars
(1) Open Box:
$148.72
Members +10% Savings
dbx 215s Dual-Channel 15-Band Graphic Equalizer
Open-Box dbx 215s Dual-Channel 15-Band Graphic Equalizer
4.5 of 5 stars (10)
(2) Open Box: from
$191.20
Members +10% Savings
Klark Teknik DI AV 22P Stereo Passive Direct Box
Open-Box Klark Teknik DI AV 22P Stereo Passive Direct Box
0 of 5 stars
(1) Open Box:
$62.39
Members +10% Savings
TC Helicon VoiceTone Single D1 Doubling & Detune Effects Pedal
Open-Box TC Helicon VoiceTone Single D1 Doubling & Detune Effects...
3.5 of 5 stars (9)
(1) Open Box:
$122.32
Members +10% Savings
A Designs P-1 500 Series Microphone Preamp
Open-Box A Designs P-1 500 Series Microphone Preamp
5.0 of 5 stars (1)
(1) Open Box:
$792.00
Members +10% Savings
dbx 131s Single Channel 31-Band Graphic Equalizer
Open-Box dbx 131s Single Channel 31-Band Graphic Equalizer
4.5 of 5 stars (2)
(1) Open Box:
$210.32
Members +10% Savings
Warm Audio TB12 Black Tonebeast Microphone Preamp
Open-Box Warm Audio TB12 Black Tonebeast Microphone Preamp
0 of 5 stars
(1) Open Box:
$571.12
Members +10% Savings
Roland AIRA Compact E-4 Voice Tweaker
Open-Box Roland AIRA Compact E-4 Voice Tweaker
5.0 of 5 stars (1)
(1) Open Box:
$181.27
Members +10% Savings
ART CLEANBoxPro Dual-Channel Level Converter
Open-Box ART CLEANBoxPro Dual-Channel Level Converter
4.5 of 5 stars (3)
(1) Open Box:
$93.27
Members +10% Savings
TC Helicon TALKBOX SYNTH Guitar Effects Pedal
Open-Box TC Helicon TALKBOX SYNTH Guitar Effects Pedal
3.0 of 5 stars (1)
(1) Open Box:
$122.32
Members +10% Savings
Roland VT-4 Voice Transformer
Open-Box Roland VT-4 Voice Transformer
5.0 of 5 stars (1)
(1) Open Box:
$219.99
Members +10% Savings
VocoPro SingTools Vocal Effects Mixer
Open-Box VocoPro SingTools Vocal Effects Mixer
0 of 5 stars
(1) Open Box:
$175.12
Members +10% Savings
ART Tube MP Professional Mic Preamp/Processor
Open-Box ART Tube MP Professional Mic Preamp/Processor
4.0 of 5 stars (33)
(2) Open Box: from
$103.99
Members +10% Savings
PreSonus BlueTube DP V2 2-Channel Mic/Instrument Tube Preamp
Open-Box PreSonus BlueTube DP V2 2-Channel Mic/Instrument Tube...
4.0 of 5 stars (4)
(1) Open Box:
$246.39
Members +10% Savings
Warm Audio WA273 2-Channel British Mic Pre
Open-Box Warm Audio WA273 2-Channel British Mic Pre
0 of 5 stars
(1) Open Box:
$967.12
Members +10% Savings
dbx 234xs Stereo 2/3 Way, Mono 4-Way Crossover
Open-Box dbx 234xs Stereo 2/3 Way, Mono 4-Way Crossover
5.0 of 5 stars (1)
(1) Open Box:
$290.40