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Shop the best prices on 1,297 great value signal processors. Shopping for signal processors is easy with Fruugo, with SALE discounts, offers and savings on myVolts, Dophix, TechBrands and more. Buy signal processors online safely with Fruugo, with secure payment and fast shipping to United States.

Effects ProcessorsCrossoversMicrophone PreampsPhono PreampsEqualizers
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801 - 832 of 1,297
Digital Audio Processor with LCD Display, 199 Effects, Noise Reduction, AntiFeedback for Guitar and Live Sound
$129.00 Save $60.00 RRP: $189.00
Car Audio Equalizer 7Band EQ with Headphone Amp 2Channel Mixer for Fidelity Sound
$41.95 Save $22.05 RRP: $64.00
Tube Preamp Amplifier Board with Valve Buffer for DIY Audio Mixer and Music Enthusiasts
$44.95 Save $24.05 RRP: $69.00
2 Channel Stereo Preamplifier Board Wide Range DC1230V Audio Preamp Module Kit
$14.95 Save $8.00 RRP: $22.95
DJ Equalizer Tone Board PT2389 with Bass Enhancement and 3D Effects Audio Processing Module
$16.95 Save $9.00 RRP: $25.95
7 Band Car Audio Equalizer with Bass Boost, Dual Channel Output, 3.5mm Interface DC5V12V
$41.95 Save $22.05 RRP: $64.00
31 Band Graphic Equalizer with LED Spectrum Display, Bluetooth 5.2 and Optical Input for Stereo Audio
$219.00 Save $110.00 RRP: $329.00
Dual Channel 31Band Graphic Equalizer with Precise Frequency Control for DJ, Studio and Home
$724.00 Save $375.00 RRP: $1,099.00
Car Audio Equalizer 7 Band EQ with Dual Channel Mixer and Adjustable Headphone Amplifier Black
$41.95 Save $22.05 RRP: $64.00
Car Audio Equalizer 7 Band Graphic EQ Dual Channel Bass Boost DC5V12V with 3.5mm
$54.00 Save $30.00 RRP: $84.00
31Band Digital Equalizer, Stereo Graphic EQ, LED Spectrum, Remote Control, 12 Presets, Rackmount Processor
$289.00 Save $150.00 RRP: $439.00
Audio Preamplifier Board with Bass Treble Tone Control and 20cm Extension Cord for DIY Amplifier
$25.95 Save $13.00 RRP: $38.95
31Band Stereo Graphic Equalizer with Dual Channel Precision Control for Home and Studio Audio
$329.00 Save $160.00 RRP: $489.00
22 Band Dual Channel Graphic Audio Equalizer with 10 Presets for Home and Studio
$219.00 Save $110.00 RRP: $329.00
Tube Preamplifier Kit with HiFi Bile Amp Effect for DIY Audio Amplifier Projects
$59.00 Save $30.00 RRP: $89.00
Professional 6In6Out Feedback Suppressor with 5Level Digital AntiHowl and Parametric EQ for Studio and Live
$209.00 Save $100.00 RRP: $309.00
SSB Noise Reducer Digital Audio Filter with Builtin Speaker, TypeC Powered, 3.5mm Input
$169.00 Save $80.00 RRP: $249.00
Audio DSP Module Digital Reverb Board with USB Tuning Karaoke Mixer Effects DC1218V
$42.95 Save $21.05 RRP: $64.00
Car Audio Equalizer 7 Band ±12dB Control Aluminum Alloy Stereo with Mic and Headphone Support
$41.95 Save $22.05 RRP: $64.00
22Band Stereo Graphic Equalizer with Dual Channel Precision Control, Noise Reduction, Preset Effects for Studio Recording
$249.00 Save $120.00 RRP: $369.00
SSB Noise Reduction Filter with 10Level Audio Filtering, TypeC Power, BuiltIn Speaker for Ham Radio
$129.00 Save $70.00 RRP: $199.00
Microphone Preamp Mic Gain Booster with 48V Phantom Power for Dynamic and Condenser Mics
$45.95 Save $23.05 RRP: $69.00
31Band Stereo Graphic Equalizer for Recording Studio, Digital EQ with 10 Preset Effects, LED Spectrum Display
$269.00 Save $140.00 RRP: $409.00
A902 Operational Amplifier Module Performance Chip Low Noise Output Drive Preamplifier Tone Board
$14.95 Save $8.00 RRP: $22.95
DIY Audio Preamplifier With Bass Midrange Treble Tone Control, LeftRight Channel Volume Balance, AC 12V/15V
$23.95 Save $12.00 RRP: $35.95
Hifi DIY Electronic Tube Preamplifier Kit Preamp Amplifier Module With Bile Amp Effect For Audio Enthusiasts
$59.00 Save $30.00 RRP: $89.00
120W Speaker 3Way Audio Frequency Divider Loudspeaker, 3Unit Crossover Filters For Speakers
$20.95 Save $11.00 RRP: $31.95
Tone Card Preamp With Treble Bass Preamp Card For Audio Equipment
$19.95 Save $10.00 RRP: $29.95
Audio Preamplifier With Adjustable Bass Midrange Treble Tone Control And Balanced Stereo Volume Op Amp PCB Board
$23.95 Save $12.00 RRP: $35.95
7 Band Car Audio Equalizer with Dual Channel Output and Bass Control for Car Stereo
$45.95 Save $23.05 RRP: $69.00
Dual Power CD2399 Microphone Reverb Board with Karaoke Delay Effects AC12V Amplifier Module
$42.95 Save $21.05 RRP: $64.00
Dynamic Microphone Capacitor Amplifier Circuit Module for Small Signal Boost, 3.5mm Jack, Compact Design, High Compatibility
$20.95 Save $11.00 RRP: $31.95