Filters

Under $20 Signal Processors

Shop the best prices on 2,444 great value under $20 signal processors. Shopping for signal processors is easy with Fruugo, with SALE discounts, offers and savings on Anqing Cheng Bu, Elriven, Lycxames and more. Buy signal processors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

CrossoversEffects ProcessorsMicrophone PreampsPhono PreampsEqualizers
Filters
1 - 32 of 2,444
MAX9814 Microphone Amplifier Module MIC Microphone Sound Amplification for Audio Projects and Sound Systems
$12.95 Save $5.00 RRP: $17.95
Basket with Hook, Hang It Behind a Door or on a Railing, Black
$18.95 Save $3.00 RRP: $21.95
Basket with Hook, Hang It Behind a Door or on a Railing, Black fg2025031702764
$14.95 Save $59.05 RRP: $74.00
3.5mm Male Audio AUX-in-Jack to USB 2.0 Type A Female OTG Converter Cable
$4.95 Save $6.00 RRP: $10.95
Guitar Noise Noise Gate Suppressor Effect Pedal P20250110873
$12.95 Save $76.05 RRP: $89.00
NE5532 Preamplifier Board Vinyl Record Player MM Phono Preamplifier Preamp Board NE5532 OP Amp Dual
$10.95 Save $14.00 RRP: $24.95
Phono Preamp with RCA and 1/4" TRS for Vinyl Turntables
$16.95 Save $20.00 RRP: $36.95
1PCS 1.2A Equalizer Balancer Equalizer Module Li- Lifepo4 Lithium Battery Balancer BMS
$9.95 Save $6.00 RRP: $15.95
2PCS Pure High-Frequency Crossover Adjustable Home Theater Car Speaker Crossover
$17.95
Guitar Effect Pedal Footswitch Toppers Effect Pedal Protect Cap Footswitch Toppers Electric Guitar Pedal Foot Nail Cap Silver
$18.95 Save $2.00 RRP: $20.95
200W Speaker Crossover Double Treble+Midrange+Bass 4 Way Divider
$20.95 Save $12.00 RRP: $32.95
400W Crossover 2 Way High-Low 4-16 Ohm Frequency Divider for Speaker
$18.95 Save $11.00 RRP: $29.95
1 Pc Guitar Effects Pedal Aluminum Stomp Box Enclosure 1590BB
$20.95 Save $12.00 RRP: $32.95
Audio Speaker Frequency Divider Treble Bass 2 Unit Crossover
$12.95 Save $7.00 RRP: $19.95
Audio Speaker Frequency Divider Treble Bass TWS 2 Unit Crossover
$12.95 Save $6.00 RRP: $18.95
400W Crossover 2 Way High-Low 4-16 Ohm Frequency Divider for Speaker
$17.95 Save $9.00 RRP: $26.95
4-in-1 Feed Pipe Adapter for X1C P1P A1/A1 Mini Five-Way Feed Port Feed Pipe Connector
$16.95 Save $10.00 RRP: $26.95
ES08MA II Servo Motor Metal Gear Servo ES08MA Servo 12g Servo Motor Torque 1.8kg Mini Metal Gear S
$15.95
200w 2 Way Hifi Speaker Frequency Dividers 2830hz For Aurelia Speaker Audio Crossover Filter Home T
$12.95
5 Way Electrode Daisy Chain Cable for Guitar Effects Power Supply Adapter Splitter
$11.95
Operational Amplifier 2 Channel High Current Low Distortion Audio Amplification Module OPA1622
$15.95 Save $31.00 RRP: $46.95
YLY-2088 Audio Frequency Divider 400W Adjustable 2 Way Crossover Filters Full Range Treble Bass Fre
$13.95 Save $33.00 RRP: $46.95
MAX4466 Microphone Amplifier Module Sound Sensor 2.4V to 5.5V Microphone Preamplifier
$15.95 Save $9.00 RRP: $24.95
For Aurelia Speaker 2-Way Crossover 200W High-End Audio Crossover, B
$16.95
T-101 300W Single-Channel Audio Speaker Divider Pure Tweeter Speaker Crossover KTV Stage Professional Speaker Crossover
$20.95
9 Pin 3PDT Blue Metal Guitar Effect Pedal Footswitch True Bypass
$13.95 Save $7.00 RRP: $20.95
Subwoofer Preamp Board Single Supply Low Pass Filter Boards with LED Indicators DC1024V
$18.95 Save $11.00 RRP: $29.95
2pcs 500w 12v Universal Car Audio Speaker Car Horn For All Car Audio Systems With 12v Dc Power Supp
$20.95 Save $14.00 RRP: $34.95
200W 3 Way High Speaker Frequency Divider, DIY Speaker Crossover
$19.95 Save $8.00 RRP: $27.95
Guitar Effects Pedal Board Mounting Tape Strong Adhesive Hook and Loop Fastener for Secure and Organized Guitar Setup – Essential Accessory for
$20.95 Save $20.00 RRP: $40.95
Guitar Pedal Power Cord with Premium PVC and Metal for Stable Performance Black
$18.95 Save $12.00 RRP: $30.95
RC Digital Servo 3.5kg Plastic Gear High Torque Digital Servo Motor for DIY RC Crawler Car Boat Robot
$8.95 Save $50.05 RRP: $59.00