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Shop the best prices on 1,362 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.

CrossoversEffects ProcessorsPhono PreampsMicrophone PreampsEqualizers
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1,057 - 1,088 of 1,362
PT2399 Karaoke Reverb Board with Mic Preamplifier, 7V24V DIY Audio Effects Amplifier
$17.95 Save $9.00 RRP: $26.95
Noise Reduction Filter For Amateur Shortwave Station DSP And DNR With Audio Spectrum Display
$119.00 Save $60.00 RRP: $179.00
6J1 HiFi DIY Tube Preamplifier Kit, Triode Vacuum Tube Module With Amp Effect For Audio Enthusiasts
$28.95 Save $15.00 RRP: $43.95
Amplifier Preamplifier Finished Board Dual Channel DIY Tone Control Volume EQ Treble Midrange 12V18V AC
$14.95 Save $8.00 RRP: $22.95
Professional Dual Channel 15Band Stereo Graphic Equalizer with Independent Low Mid Treble Control for Home DJ Studio
$624.00 Save $300.00 RRP: $924.00
Microphone Module Sensitivity Audio Amplifier 20dB Gain Low Noise 3.3V/5V DC
$14.95 Save $8.00 RRP: $22.95
Microphone Preamp Reverb Board with Noise Reduction Low Noise Mono Amplifier Single Power Supply Blue
$14.95 Save $8.00 RRP: $22.95
LED Music Analyzer With Clock 24Band DSP, Adjustable Brightness, Dual Power, Car And Home Audio Compatible
$74.00 Save $35.00 RRP: $109.00
Dual Tone Stereo Preamplifier Board For Audio HiFi Systems, Equalizer, Treble Control, DIY Preamplifier Module
$17.95 Save $8.00 RRP: $25.95
Stereo Tape 2Channel Analog Sound Preamp Deck Head For Recording And Playback
$104.00 Save $55.00 RRP: $159.00
MIC1000 Sensitivity Sound Port Amplifier For Mobile Devices 3.5mm Condenser Mics Miniature Mic Amplifier
$24.95 Save $12.00 RRP: $36.95
Phono Preamplifier Independent Volume Control Very Low Noise 1/4Inch Output Metal Shell Turntable Input UK Plug
$23.95 Save $12.00 RRP: $35.95
Microphone Amplifier Module Small Signal Amplification Circuit Module 3.5mm Interface Compact Size
$16.95 Save $8.00 RRP: $24.95
Dynamic Microphone Amplifier 5V Power Supply, Single Channel Omnidirectional Boost For Dynamic Microphones Drop
$18.95 Save $10.00 RRP: $28.95
Advanced Auditory Isolation Module for Ground Noise Elimination in Professional Audio Applications, High-Performance Specifications
$17.95 Save $9.00 RRP: $26.95
Phono Preamp with Headphone Amplifier for Turntable Vinyl Record Player Mini Stereo HiFi Box
$28.95 Save $14.00 RRP: $42.95
Aluminum Alloy Sound Preamplifier DC512V Portable Mic Preamp 75X Gain For Streaming And Live Recordings
$26.95 Save $14.00 RRP: $40.95
Microphone Preamp Stereo Sound Amplifier with Separate Mic and Music Outputs Aluminum Alloy Black
$32.95 Save $17.00 RRP: $49.95
Preamp Board Dual OpAmp Preamplifier With Volume Control And Tone Control, Stereo Hifi
$14.95 Save $8.00 RRP: $22.95
Tone Board Preamp With Treble Volume Adjustment PreAmplifier Tone Controller For Amplifier Board
$14.95 Save $8.00 RRP: $22.95
Microphone Amplifier Gain 1000x Stereo TwoChannel PreAmplifier Board For Audio Signal
$24.95 Save $12.00 RRP: $36.95
Preamplifier Board With Volume Tone Control, Treble Midrange EQ, Finished Board, Dual 12V18V AC
$16.95 Save $8.00 RRP: $24.95
Audio DSP Noise Reducer For Ham Radio DNR Digital Filter Digital Audio Processor
$119.00 Save $60.00 RRP: $179.00
HiFi Stereo Preamplifier Frequency Balance And Bass Potentiometer Separation Volume And Tone Control Board
$19.95 Save $10.00 RRP: $29.95
Tone Board Preamp PreAmp with Treble PreAmplifier Board For Audio DIY Preamp Stereo Tone Board
$19.95 Save $10.00 RRP: $29.95
HiFi Sound Speaker Crossover For HiFi Sound System, 2Way Treble/Bass Frequency Splitter, 450W
$21.95 Save $11.00 RRP: $32.95
Record Player Preamplifier Vinyl Turntable Amplifier Volume Control Preamplifier UK Plug
$32.95 Save $17.00 RRP: $49.95
Portable Microphone Amplifier with 3 Outputs, Adjustable Gain, Clear Sound for Live Performance
$27.95 Save $13.00 RRP: $40.95
9 Band Graphic Equalizer Stereo Audio Equalizer with Dual Subwoofer Output and CD Aux Inputs
$119.00 Save $60.00 RRP: $179.00
Professional Feedback Suppressor Eliminator Level 5 Digital AntiSquealing 12Segment Fidelity For Live Performances
$209.00 Save $100.00 RRP: $309.00
Microphone Preamp with 28dB Gain Boost, Low Noise Dynamic Mic Amplifier for Passive Ribbon Mics
$59.00 Save $30.00 RRP: $89.00
9V myVolts replacement power supply compatible with Malekko Downer Effects pedal myVolts
$16.95