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Under $20 Power Amplifiers

Shop the best prices on 5,415 great value under $20 power amplifiers. Shopping for power amplifiers is easy with Fruugo, with SALE discounts, offers and savings on Elriven, Viewleaf, Jtgg and more. Buy power amplifiers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 5,415
Tda7294 Mono 100w Amplifier Board Finished Board
$6.95
TPA3118D2 Digital Stereo Audio Amplifier Board 30W&30W 2.0 Channel Amplifier Module DC 12-24V Audio
$7.95 Save $11.00 RRP: $18.95
2PCS Differential Amplifier Board 18W Digital Class D/AB NS4110B Voltage 6-14V Audio Power Amplifier
$13.95 Save $8.00 RRP: $21.95
Amplifier Replacement Bass Knob Control Remote 6Pin Subwoofer Remote Volumes Adjustment Control Knob
$15.95 Save $3.00 RRP: $18.95
Differential Turn Balance Single-Ended Output Ear Amplifier HiFi Amplifier Board MAX97220 Input 2.5
$13.95 Save $6.00 RRP: $19.95
TPA3116 Subwoofer Amplifier Board 100W Bass Output DC12-24V Digital Small Power Amplifiers Video Au
$18.95 Save $40.05 RRP: $59.00
2.1 Channel Class D HiFi Power Amplifier Board for Speaker Subwoofer
$15.95 Save $3.00 RRP: $18.95
TPA3118D2 Digital Stereo Audio Amplifier Board
$11.95 Save $2.00 RRP: $13.95
30 Pcs Digital Power Amplifier Board,2X3W Type D PAM8403 Audio Module DC 5V Digital Audio Amplifier Board Module
$13.95
DC 3.3V 3.7V 5V LED Driver 30-1500MA Constant Current Adjustable Module PWM Control Board for USB 1
$9.95 Save $59.05 RRP: $69.00
Car Audio Amplifier Board Car Audio Accessories Module Accessories Radio Sound Speaker for Marine Voice Boat Home
$14.95 Save $2.00 RRP: $16.95
Usb To Fdd Floppy Drive Module 1.44mb Floppy Drive Interface To Usb Floppy Disk A Disk Floppy Drive
$18.95 Save $10.00 RRP: $28.95
XH-M311 Mini Digital Amplifier Board TPA3118 Audio Amplifier Board Audio Power Amplifier Module Mono
$9.95 Save $2.00 RRP: $11.95
50W Volume Control Professional Safety 5 Gears Tuning Knob Black
$14.95 Save $5.00 RRP: $19.95
TDA7294 Mono 100W Power Amplifier Board Finished Board
$19.95 Save $11.00 RRP: $30.95
0.05-6G High Performance Medium Power Amplifier Module
$20.95 Save $12.00 RRP: $32.95
XY-C50L Bluetooth 5.0 AUX Digital Power Amplifier Board
$18.95 Save $11.00 RRP: $29.95
CP2112 Module CCS811 Debug Board USB to I2C Communication Module
$18.95 Save $13.00 RRP: $31.95
XH-A232 Digital Power Amplifier Board 30W+30W Dual-Channel Class D
$10.95 Save $5.00 RRP: $15.95
2-700M 3W HF FM UHF Broadband RF Power Amplifier Shortwave Amplifier
$21.95 Save $10.00 RRP: $31.95
DIY High Power Stereo Amplifier Board LTK5328 Audio Amplifier Module
$15.95 Save $9.00 RRP: $24.95
TA7668 Tape Drive Preamplifier Amplifier Tape Deck Board
$16.95 Save $8.00 RRP: $24.95
0.05-6G High Performance Medium Power Amplifier Module
$20.95 Save $11.00 RRP: $31.95
Design 2.1 Power Amplifier Board Multi Function Power Amplifier Board 5V20W Audio Amplifier
$16.95
3X Mini Power Amplifier Board 5W+5W HiFi Two-Channel PM CM2038 5V USB Supply Power Audio Amplifier
$21.95
CR1 Module PPM/SBUS to ELRS CRSF Adapter Board for AT9S WLFY Transmitter
$20.95
Digital Power Amplifier Board Stereo Amp NS4110B Sound Amplifier 2X20W HIFI Amplificador Bass Tone
$18.95
DC12-24V XH-A318 Dual Channel Digital Power Audio Amplifier Board 2x50W High-Power Amplifier TPA311
$21.95 Save $6.00 RRP: $27.95
50 Volume Control 50W Volume Control Professional Safety 5 Gears Tuning Knob Volume Controller for Home Speakers Black
$16.95 Save $6.00 RRP: $22.95
LM1875 DIY Speaker High Power Module Power Amplifier Board Dual Channel 2.0
$20.95
Power Amplifier Board TPA3110 2X15W Dual Channel Stereo Digital Power Amplifier Board Module for Computer
$11.95 Save $39.00 RRP: $50.95
Digital Power Amplifier Board Dual Channel Free Volume Adjustment Fine Workmanship Power Amplifier Board
$11.95 Save $39.00 RRP: $50.95