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Shop the best prices on 1,284 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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225 - 256 of 1,284
DIY Audio Preamplifier With Bass Midrange Treble Tone Control, LeftRight Channel Volume Balance, AC 12V/15V
$23.95 Save $12.00 RRP: $35.95
Tone Card Preamp With Treble Bass Preamp Card For Audio Equipment
$19.95 Save $10.00 RRP: $29.95
SSB Noise Reducer Digital Audio Filter with Builtin Speaker, TypeC Powered, 3.5mm Input
$169.00 Save $90.00 RRP: $259.00
2 Channel Stereo Preamplifier Board Wide Range DC1230V Audio Preamp Module Kit
$14.95 Save $8.00 RRP: $22.95
Mini Stereo Audio Preamplifier 3.5mm Input Output For DVD CD MP3 TV Cell Phones Turntables Guitars
$34.95 Save $18.00 RRP: $52.95
22Band Digital Audio Equalizer, Home Studio 2Channel 10 Preset Effects, Auto Noise Reduction, Low/Mid/Treble Controls
$199.00 Save $100.00 RRP: $299.00
7 Band Graphic Equalizer Dual Channel Audio Equalizer with 12dB Bass Adjustment and 3.5mm Interface
$44.95 Save $24.05 RRP: $69.00
Tube Preamp Amplifier Board with Valve Buffer for DIY Audio Mixer and Music Enthusiasts
$44.95 Save $24.05 RRP: $69.00
Digital Microphone Audio Amplifier Board DC 12V 24V Karaoke Plate Reverb Preamplifier Op Amp
$28.95 Save $15.00 RRP: $43.95
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
Audio Preamplifier Board with Bass Treble Tone Control and 20cm Extension Cord for DIY Amplifier
$25.95 Save $13.00 RRP: $38.95
Car Audio Equalizer 7 Band Graphic EQ Dual Channel Bass Boost DC5V12V with 3.5mm
$59.00 Save $25.00 RRP: $84.00
22Band Dual Channel Audio and Graphic Equalizer Rack Mount with Noise Reduction and 10 Presets
$229.00 Save $110.00 RRP: $339.00
31Band Digital Equalizer, Stereo Graphic EQ, LED Spectrum, Remote Control, 12 Presets, Rackmount Processor
$299.00 Save $140.00 RRP: $439.00
Audio Equalizer 22Band Graphic, DualChannel 1U RackMount, 10 Preset Effects, Automatic Noise Reduction, HiFi Tuning
$199.00 Save $100.00 RRP: $299.00
Dual Power CD2399 Microphone Reverb Board with Karaoke Delay Effects AC12V Amplifier Module
$43.95 Save $25.05 RRP: $69.00
Record Player Preamplifier Vinyl Turntable Amplifier Turntable Preamplifier Volume Control UK Plug
$32.95 Save $17.00 RRP: $49.95
Advanced Stereo Tape Sound Preamp For Tape Deck Head Recording And Playback Analog Tape Preamp Compatibility Series
$43.95 Save $25.05 RRP: $69.00
Preamplifier Board with Volume Tone Control Treble Midrange EQ for DIY Dual AC 12V18V
$17.95 Save $9.00 RRP: $26.95
Frequency Divider For Loudspeakers Notch Filter Easy Installation
$22.95 Save $12.00 RRP: $34.95
A902 Operational Amplifier Module Performance Chip Low Noise Output Drive Preamplifier Tone Board
$14.95 Save $8.00 RRP: $22.95
22Band Stereo Graphic Equalizer with 10 Preset Sound Modes and Noise Reduction for Home HiFi
$179.00 Save $90.00 RRP: $269.00
Car Audio Equalizer 7 Band ±12dB Control Aluminum Alloy Stereo with Mic and Headphone Support
$41.95 Save $22.05 RRP: $64.00
SSB Noise Reduction Filter with 10Level Audio Filtering, TypeC Power, BuiltIn Speaker for Ham Radio
$129.00 Save $70.00 RRP: $199.00
Professional 6In6Out Feedback Suppressor with 5Level Digital AntiHowl and Parametric EQ for Studio and Live
$209.00 Save $100.00 RRP: $309.00
Overdrive Pedal For Electric Guitar With Two Boost And Normal Amp Modes, Metal Housing, True Bypass
$59.00 Save $30.00 RRP: $89.00
200W Speaker Two-Way Audio Crossover For Speakers High Power 200W Crossover Network
$31.95 Save $15.00 RRP: $46.95
Phono Preamp for Turntables with Low Noise, Clear Sound Conversion and Universal Compatibility
$35.95 Save $18.05 RRP: $54.00
2 Way 350W Speaker Treble + Bass Frequency Splitter Crossover DIY Speaker Filter Kit For DIY Home Cinema Easy To Use
$37.95 Save $21.05 RRP: $59.00
Adjustable High-Frequency Crossover 2200 Hz 150 W HiFi Stereo Crossover Stage-Tweeter Compatible
$38.95 Save $20.05 RRP: $59.00
Car Audio Crossover Universal Heat Dissipation 2-Piece Set 2-Way Crossover With Overcurrent Protection
$40.95 Save $18.05 RRP: $59.00
2 Way 350W Speaker Treble + Bass Frequency Splitter Crossover Speaker Filter DIY Home Theater Kit Tweeter And Woofer
$69.00 Save $30.00 RRP: $99.00