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Under $20 Power Amplifiers

Shop the best prices on 8,479 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 8,479
30W MP3 Voice Playback Module DY-L30T 9 Trigger Music Player B
$19.95 Save $44.05 RRP: $64.00
RF2126 RF Power Amplifier 2.4GHZ 1W WIFI Bluetooth Radio Amplifier
$20.95 Save $11.00 RRP: $31.95
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
$19.95 Save $4.00 RRP: $23.95
Amplifier Replacement Bass Knob Control Remote 6Pin Subwoofer Remote Volumes Adjustment Control Knob
$12.95 Save $3.00 RRP: $15.95
Differential Turn Balance Single-Ended Output Ear Amplifier HiFi Amplifier Board MAX97220 Input 2.5
$10.95 Save $6.00 RRP: $16.95
Tda7294 Mono 100w Amplifier Board Finished Board
$5.95
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
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
Dual 12 Level Audio Indicator LED Light VU Meter Stereo Amplifier Board Adjustable Light Speed Board with AGC Mode DIY
$15.95 Save $4.00 RRP: $19.95
XY-AP50H HIFI Fever 2.0 Stereo Bluetooth5.0 Amplifier Board TPA3116D2 50W+50W High-Bass Adjustable
$18.95
TDA2030 15W+15W+30W 2.1 Channel Amplifier Audio Board Subwoofer Amplifier Bass Output for Speaker DI
$19.95
Mini Amplifier Board 5W+5W HiFi Two-Channel PM CM2038 5V USB Supply Audio Amplifier
$8.95
Radio mission FM HF 1--930MHz 2.0W 2W RF Broadband Power Amplifier Module
$19.95
XH-A150 PAM8403 Mini Bluetooth Amplifier Audio Board 5Wx2 Lithium Battery Sing Machine USB TF-Card D
$18.95 Save $27.00 RRP: $45.95
50 Volume Control 50W Volume Control Professional Safety 5 Gears Tuning Knob Volume Controller for H
$11.95
Low Power TDA8932 35W Digital Amplifier Board Module Mono Power
$18.95 Save $3.00 RRP: $21.95
IRS2092S High power 500W Class D HIFI digital power amplifier board finished mono/super LM3886
$20.95 Save $5.00 RRP: $25.95
High-Power Digital o Amplifier Board with TPA3116D2 Chip, 12-24V Tone Control Amp Module
$14.95 Save $22.00 RRP: $36.95
15W x 2 Class D Digital Stereo Amplifier Board for Dual Channel 12V DC o Systems
$14.95 Save $16.00 RRP: $30.95
TDA2030A Audio Amplifier Module Power Amplifier Board AMP 6-12V 1*18W
$15.95 Save $3.00 RRP: $18.95
PAM8403 5V digital small power amplifier board / with switch potentiometer / USB power supply / sound effect
$22.95 Save $4.00 RRP: $26.95
XY-P15W Bluetooth 5.0 Amplifier Board DC 8V 12V 24V 10W 15W 20W Power Amplifiers Audio Stereo Digital AMP Sound Board
$11.95 Save $3.00 RRP: $14.95
XH-M542 TPA3116 D2 TPA3116DA DC 12V 24V 100W Mono Channel Digital Power Audio Amplifier Board TPA3116D2 Large Capacity Board
$11.95 Save $3.00 RRP: $14.95
Treble+Bass 2 Way Speaker Crossover HiFi High-Fidelity Frequency Divider Fever Bookshelf Speaker Mo
$19.95 Save $54.05 RRP: $74.00
For K5/K6 SI4732 Module Modification Shortwave Radio Module Intercom Modification Module
$19.95 Save $54.05 RRP: $74.00
SI4732 Chip and Crystal Oscillator Component Modification Module V2 FPC Version for UV-K5
$20.95 Save $58.05 RRP: $79.00
SI4732 Radio Modification Module for UVK5/UVK6 Short Wave FM Modification Module+2M Expansion Chip
$20.95 Save $58.05 RRP: $79.00
6X DC8-26V 30W X 2 XH-A232 Class D Digital Audio Power Amplifier Board Mp3 Amplifier Board 12V24V
$20.95 Save $17.00 RRP: $37.95
XH-M139 Digital Power Amplifier Board 2.1 Channel 2x50W&100W DC12-24V Amplifier Modules TPA311602
$18.95 Save $4.00 RRP: $22.95
Bluetooth 4.2 Stereo Power Amplifier Board Audio Module F Class 5W+5W with Charging DIY Speaker
$19.95 Save $12.00 RRP: $31.95
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