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Under $20 Power Amplifiers

Shop the best prices on 8,315 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 Australia.

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1 - 32 of 8,315
RF2126 RF Power Amplifier 2.4GHZ 1W WIFI Bluetooth Radio Amplifier
$20.95 Save $11.00 RRP: $31.95
30W MP3 Voice Playback Module DY-L30T 9 Trigger Music Player B
$19.95 Save $44.05 RRP: $64.00
2PCS Differential Amplifier Board 18W Digital Class D/AB NS4110B Voltage 6-14V Audio Power Amplifier
$11.95 Save $6.00 RRP: $17.95
W-22 Passive Stereo Volume Audio Adjustment Controller Left and Right Channel Adjustment
$20.95 Save $4.00 RRP: $24.95
Differential Turn Balance Single-Ended Output Ear Amplifier HiFi Amplifier Board MAX97220 Input 2.5
$11.95 Save $5.00 RRP: $16.95
Amplifier Replacement Bass Knob Control Remote 6Pin Subwoofer Remote Volumes Adjustment Control Knob
$12.95 Save $3.00 RRP: $15.95
Tda7294 Mono 100w Amplifier Board Finished Board
$5.95
TPA3118D2 Digital Stereo Audio Amplifier Board 30W&30W 2.0 Channel Amplifier Module DC 12-24V Audio
$6.95 Save $9.00 RRP: $15.95
ZK-1001B Mono 100W Bluetooth 5.1 Audio Power Amplifier Module DC7-24V Power Amplifier Chip TPA3116 with TWS
$19.95 Save $10.00 RRP: $29.95
60W High Power Mono Amplifier Audio Board Class D HIFI Digital Mini Power Amplifier Module Amplifier Audio Module
$12.95
15pcs 433Mhz RF Receiver Superheterodyne UHF ASK 433Mhz Remote Control Module Kit Small Size Low Power with Antenna
$16.95
Radio Transmission FM HF 1--930MHz 2.0W 2W RF Broadband Power Amplifier Module
$10.95 Save $10.00 RRP: $20.95
MN864718 MN864718A IC Module for U Game Console HD Signal Chip Repair Accessories
$19.95 Save $54.05 RRP: $74.00
Xh- a902 Audio Preamplifier Board Preamplifier 5 Times Rate Wide Voltage Audio Preamplifier Board Module Replacement
$18.95
DC 12V 24V 2x120W Audio Amplifier Board Dual Channel Stereo High Power Digital Audio Power Amplifie
$13.95 Save $3.00 RRP: $16.95
2Pcs PAM8403 Mini 5V Digital Power Amplifier Module Audio Amplifier Module Board
$17.95 Save $5.00 RRP: $22.95
3pcs Sg3525 Pwm Controller Module Adjustable Frequency 100-200khz 8v-12v
$12.95 Save $51.05 RRP: $64.00
XH-M139 Audio Amplifier Board 2x50W+100W 2.1 Channel Amplifier Modules DC 12-24V for Audio System D
$19.95 Save $5.00 RRP: $24.95
12V Digital Audio Power Amplifier Board TPA3116 100W PBTL Class D Home Audio Module 5V Output Audio
$20.95 Save $5.00 RRP: $25.95
TPA3118 Digital Audio Amplifier Board 2.1 Channel Amplifier Module 2X30W&60W Audio Power Amp Board
$14.95 Save $5.00 RRP: $19.95
SW3518 100W Full Protocol Fast Charging Module Supports Step-Down Function PD QC Fast Charging Modu
$14.95 Save $54.05 RRP: $69.00
XH-M139 2.1 Digital Power Amplifier Board TPA3116D2 2X50W+100W
$19.95
1PCS LM386 10W Audio Amplifier Board Mono 3.5mm DC 3-12V Volume Control Mini AMP Module Adjustable Volume
$10.95
XH-M311 Mini Digital Amplifier Board TPA3118 Audio Amplifier Board
$16.95 Save $23.00 RRP: $39.95
TPA3116 Subwoofer Amplifier Board Audio Board Mono Power Amp DC9-24V
$18.95 Save $27.00 RRP: $45.95
5 Pcs Digital Power Amplifier Board,2X3W Type D PAM8403 Audio Module DC 5V Digital Audio Amplifier
$8.95
Tpa3116 Amplifier Bluetooth 5.0 Two-way External Audio Input Interface, Pre-amplified Bass Sound Pr
$20.95
-302t Bluetooth Digital Power Module 2.0 Stereo Dual Mercy 30w+30w Bluetooth 5.1 Audio Power Amplifier
$18.95
Hf Rf Broadband Power Amplifier Module Rf2126 Amplifier 2.4ghz 1w Wifi Bluetooth Mapping Amplifier With Heat Dissipation
$18.95
2X TDA2030A DIY Power Amplifier Module Audio Power Amplifier Board Amplifier Module
$9.95 Save $7.00 RRP: $16.95
Advanced Sound Amplification TD7379/CD7379 Power Amplifiers Board for Computer Builds and Repairs
$20.95
Digital Power Amplifier Board, 100W x 2 Stereo with Bluetooth 5.0, for Mini 5-24V DC Audio
$19.95 Save $99.05 RRP: $119.00