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Shop the best prices on 1,280 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 PreampsEqualizersPhono Preamps
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1,153 - 1,184 of 1,280
PT2399 Digital Karaoke Reverb Board with BuiltIn Microphone Preamplifier, 7V24V DIY Audio Effects
$41.95 Save $22.05 RRP: $64.00
Car Audio Equalizer 7Band EQ with Headphone Amplifier 2Channel Mixer Digital Stereo Black
$41.95 Save $22.05 RRP: $64.00
3Way Sound Divider Imported Components Impedance Optimized Design Model PA 3803 Studio Audiophiles Frequency Splitter
$64.00 Save $35.00 RRP: $99.00
Stereo Electronic Tube Preamplifier Board Vacuum Tube Preamplifier Module For DIY Audio Enthusiasts With Bile Amp Effect
$59.00 Save $30.00 RRP: $89.00
Preamplifier For Record Player, Vinyl Turntable Amplifier, Turntable Volume Control, UK Plug
$32.95 Save $16.00 RRP: $48.95
Phonograph Preamp 1/4 Output Ultra Low Noise 100240V Independent Volume Control Compact Turntable Phono Preamp UK Plug
$32.95 Save $16.00 RRP: $48.95
22Band Audio Equalizer, Stereo Graphic EQ, 10 Preset Effects, Auto Noise Reduction, Mid Bass Adjustment 10Hz20kHz
$199.00 Save $100.00 RRP: $299.00
Dual Stereo Preamplifier Board with Treble Bass Tone Control for HiFi Audio Equalizer
$22.95 Save $11.00 RRP: $33.95
Professional Audio Equalizer 22Band Dual Channel Stereo Rack Mount with Noise Reduction and Presets
$219.00 Save $120.00 RRP: $339.00
Ground Loop Noise Isolator Dual Channel Audio Noise Filter with Aluminum Shell for Car and Home
$33.95 Save $20.05 RRP: $54.00
Stereo Audio Signal Distributor for Home Speakers, Independent Volume Control, Studio Sound, Stereo and Mono Modes
$179.00 Save $80.00 RRP: $259.00
NE5532 OpAmp Module, DualChannel Preamplifier Kit, 5x Gain Audio Preamp
$14.95 Save $8.00 RRP: $22.95
Balanced Audio Preamplifier with Bass Midrange Treble Tone Control and Dual Channel Volume Op Amp
$39.95 Save $24.05 RRP: $64.00
Noise Reducer DNR Digital Filter For SSB Amateur, BuiltIn Speaker, TypeC Power, 3.5mm Audio Input
$129.00 Save $70.00 RRP: $199.00
Preamplifier Volume Control Board, Stereo HiFi Tone Control, PreAmp Preamplifier, Power Amplifier Board
$22.95 Save $11.00 RRP: $33.95
400W Adjustable Treble/Bass Frequency Divider Distributor 4Way Speaker Crossover HiFi Audiophiles
$25.95 Save $13.00 RRP: $38.95
Dynamic Microphone Amplifier 5V Power Supply, SingleChannel, Omnidirectional Enhancement for Dynamic Microphones
$25.95 Save $13.00 RRP: $38.95
Digital Microphone Amplifier Board Dual AC12V Input Karaoke Reverb Microphone Module Dual Channel
$23.95 Save $12.00 RRP: $35.95
PCB Audio Preamplifier Board With Balanced Bass Midrange Treble Tone Control And LR Balance For DIY Audio Systems
$23.95 Save $12.00 RRP: $35.95
Voice Modifier Lightweight Miniature Size USBC Powered Multiple Sound Options
$29.95 Save $15.00 RRP: $44.95
Phono Preamp MM Turntable Amplifier 6.35MM RCA Out Mini Stereo HiFi For Phonograph DC12V Power Adapter Included
$38.95 Save $20.05 RRP: $59.00
HiFi Stereo Preamplifier Board Frequency Balance Bass Potentiometer Separation Volume And Tone Control
$26.95 Save $13.00 RRP: $39.95
Multiple Output Sound Amplifier Supports Dynamic And Condenser Mics Aluminum Alloy Housing Sound Preamp
$28.95 Save $14.00 RRP: $42.95
Dynamic Microphone Amplifier 5V Power Supply Single Channel Omnidirectional Boost For Dynamic Microphone
$23.95 Save $12.00 RRP: $35.95
450W 2 Way Audio Speaker Divider Treble Frequency Divider KTV Stage Professional Speaker Crossover
$45.95 Save $23.05 RRP: $69.00
ME1 Portable Microphone Amplifier Module, 3 Independent Outputs, 3.5mm Mic Input, Rechargeable 150mAh Battery
$30.95 Save $17.00 RRP: $47.95
MAX4466 Electret Microphone Amplifier Sensor with Adjustable Gain, Low Noise, High Sensitivity, Compatible with Arduino
$14.95 Save $8.00 RRP: $22.95
Electric Guitar Effect Pedal Mini Clean Boost with True Bypass for Enhanced Sound Quality
$54.00 Save $25.00 RRP: $79.00
Microphone Amplifier Module 20dB Gain Low Noise DC 3.3V/5V Compatible Board Sensor
$14.95 Save $8.00 RRP: $22.95
Silver Horse Overdrive Boost Guitar Effect Pedal Full Metal Shell, True Bypass, Electric Guitar Compatible
$104.00 Save $55.00 RRP: $159.00
XP Booster Electric Guitar Effect Pedal With Clean Boost, True Bypass, FET Design
$54.00 Save $25.00 RRP: $79.00
ME1 Electret Microphone Amplifier DC512V Adjustable Power Supply For Electret And Condenser Microphones Black
$33.95 Save $20.05 RRP: $54.00