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Shop the best prices on 1,340 great value signal processors. Shopping for signal processors is easy with Fruugo, with SALE discounts, offers and savings on Dophix, TechBrands, Jaycar and more. Buy signal processors online safely with Fruugo, with secure payment and fast shipping to United States.

Effects ProcessorsCrossoversPhono PreampsMicrophone PreampsEqualizers
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161 - 192 of 1,340
Preamplifier Board 2Channel Stereo Wide PreAmplifier Module DC1230V Preamplifier Kits
$14.95 Save $8.00 RRP: $22.95
200W 4 Way Crossover For Audio Speaker, Dual Bass, Midrange And Treble Frequency Divider, KTV Professional Crossover
$119.00 Save $60.00 RRP: $179.00
MAX4466 Electret Microphone Amplifier Sensor with Adjustable Gain, Low Noise, PCB Mount, Ideal for Audio Projects
$14.95 Save $8.00 RRP: $22.95
MAX4466 Microphone Amplifier Module, 2.4V to 5.5V Power Supply, Adjustable Gain 25x to 125x, Rail-to-Rail Output, DC Bias
$14.95 Save $8.00 RRP: $22.95
ME1 Mic Preamplifier Module, 020dB Gain, Output Control, 10 Hours Continuous Use, Multifunctional Instrument
$32.95 Save $17.00 RRP: $49.95
Audio DSP Module Digital Reverb Board with USB Tuning Karaoke Mixer Effects DC1218V
$43.95 Save $25.05 RRP: $69.00
7 Band Graphic Equalizer Dual Channel Audio Equalizer with 12dB Bass Adjustment and 3.5mm Interface
$44.95 Save $24.05 RRP: $69.00
ME1 Portable Mic Amplifier Module, Adjustable Gain 020dB, Dual Outputs, 10Hour Runtime, Instrument Electret Mics
$25.95 Save $12.00 RRP: $37.95
RGB Music Spectrum Display 1.3 Inch Color Audio Spectrum Analyzer with Clock Mode USB Powered
$44.95 Save $24.05 RRP: $69.00
Car Audio Equalizer 7 Band Graphic EQ Dual Channel Bass Boost DC5V12V with 3.5mm
$59.00 Save $25.00 RRP: $84.00
Tube Preamp Amplifier Board with Valve Buffer for DIY Audio Mixer and Music Enthusiasts
$28.95 Save $15.00 RRP: $43.95
Preamplifier Board with Volume Tone Control Treble Midrange EQ for DIY Dual AC 12V18V
$14.95 Save $8.00 RRP: $22.95
22 Band Dual Channel Graphic Audio Equalizer with 10 Presets for Home and Studio
$219.00 Save $110.00 RRP: $329.00
7 Band Car Audio Equalizer with Dual Channel Output and Bass Control for Car Stereo
$46.95 Save $27.05 RRP: $74.00
22Band Digital Audio Equalizer, Home Studio 2Channel 10 Preset Effects, Auto Noise Reduction, Low/Mid/Treble Controls
$209.00 Save $110.00 RRP: $319.00
DJ Equalizer Tone Board PT2389 with Bass Enhancement and 3D Effects Audio Processing Module
$16.95 Save $9.00 RRP: $25.95
HiFi Stereo Preamplifier Tone Board Treble Mediant Bass Control Volume Dual 12V18V AC
$16.95 Save $9.00 RRP: $25.95
DC5V Portable 3.5mm Mic Amplifier MIC-1000 With ALC Control, 1000x Gain, USB Cable, Black Sound Module for Creators
$32.95 Save $17.00 RRP: $49.95
Guitar Effects Pedal 3 in 1 Distortion Delay and Bass Processor for Metal Electric Guitar
$54.00 Save $25.00 RRP: $79.00
MM MC Phono Preamp with Adjustable ThreeBand EQ and Balanced 5Pin XLR for Turntable
$64.00 Save $30.00 RRP: $94.00
MM MC Phono Preamp for Turntable NE5532 Vinyl Amplifier Board with Exceptional Audio Clarity
$34.95 Save $17.00 RRP: $51.95
2pcs 1400W 2 Way Adjustable Speaker Crossover with Treble Bass Control for Home and Car Audio
$22.95 Save $12.00 RRP: $34.95
Phono Preamp with 1/4 Inch Output, Ultra Low Noise Turntable Preamplifier for Vinyl Records US Plug
$25.95 Save $13.00 RRP: $38.95
Phono Preamp with Gain Control, Low Noise Turntable Preamplifier for Vinyl Record Player 12V
$30.95 Save $15.00 RRP: $45.95
Microphone Amplifier Board PT2399 Digital Reverb Preamplifier Dual Mic Support Stable SMD
$249.00 Save $120.00 RRP: $369.00
Record Player Preamplifier, Phono Preamplifier, Turntable Amplifier With Volume Control, UK Plug
$32.95 Save $17.00 RRP: $49.95
A902 Operational Amplifier Module Performance Chip Low Noise Output Drive Preamplifier Tone Board
$14.95 Save $8.00 RRP: $22.95
Audio Level Bar Display Analyzer LED Spectrum Indicator SixLevel Sensitivity Dual Animation Modes For Car And Studio
$309.00 Save $150.00 RRP: $459.00
2 Channel Stereo Preamplifier Board Wide Range DC1230V Audio Preamp Module Kit
$14.95 Save $8.00 RRP: $22.95
SSB Noise Reducer Digital Audio Filter with Builtin Speaker, TypeC Powered, 3.5mm Input
$169.00 Save $90.00 RRP: $259.00
Tone Board Passive Low Voltage Amplifier Boards With MCU Stability For DIY Speaker Control Audio Adjustment
$14.95 Save $8.00 RRP: $22.95
MAX4466 Electret Microphone Amplifier Sensor With Adjustable Gain Preamplifier Module
$14.95 Save $8.00 RRP: $22.95