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Under $20 Power Amplifiers

Shop the best prices on 9,041 great value under $20 power amplifiers. Shopping for power amplifiers is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Elriven, GreenZech and more. Buy power amplifiers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 9,041
Tda7294 Mono 100w Amplifier Board Finished Board
$4.95
10 Pcs Bluetooth Module CA-6928 Bluetooth Audio Module 5V 5.0 BT Bluetooth Speaker Audio Amplifier M
$12.95 Save $8.00 RRP: $20.95
W-22 Passive Stereo Volume Audio Adjustment Controller Left and Right Channel Adjustment
$17.95 Save $3.00 RRP: $20.95
Differential Turn Balance Single-Ended Output Ear Amplifier HiFi Amplifier Board MAX97220 Input 2.5
$9.95 Save $4.00 RRP: $13.95
Amplifier Replacement Bass Knob Control Remote 6Pin Subwoofer Remote Volumes Adjustment Control Knob
$10.95 Save $3.00 RRP: $13.95
PAM8610 12V Mini Hi-Fi Audio Stereo Amplifier Board 2X10W Dual Channel D Class for DIY Audio Project
$9.95 Save $3.00 RRP: $12.95
DC 8-24V 30W X 2 HIFI Stereo Digital Power Amplifie Board Bluetooth 5.0 Channel Class D Speaker AUX
$14.95 Save $9.00 RRP: $23.95
Voice Sound Playback Module MP3 Player Module UART I/O Trigger Class D Amplifier Board 5W DY-SV5W
$14.95 Save $69.05 RRP: $84.00
For Wifi Development Board Esp8266 Wlan Wifi Internet Module For Wemos
$12.95 Save $7.00 RRP: $19.95
Mini Stereo Amplifier Dc12V Dual Channel Hi-Fi Audio Player
$17.95 Save $17.00 RRP: $34.95
ST-838 HiFi 2.1 Channel Power Amplifier 80Wx2 Stereo Bass Sound Amp with Subwoofer Output Home Audio Amplifier Black
$20.95 Save $9.00 RRP: $29.95
DC9-24V 60W Voice Broadcast Device Sound Board Low Level Trigger One-on-One MP3 Playback TF Card USB Drive
$20.95 Save $13.00 RRP: $33.95
12V 24V Bluetooth Amplifier Board HIFI Bass Amplifier Board FM Subwoofer 30-120W for 10Inch Subwoofer Speaker(US Plug)
$20.95 Save $13.00 RRP: $33.95
RF WideBand Amplifier 0.12000MHz 912VDC 37mA 30+dB High Gain SMAK Female Low Noise LNA Amplifier
$16.95 Save $19.00 RRP: $35.95
-502b Bluetooth Digital Amplifier Board With Case 50wx2 Dual-channel Stereo Audio Amplifier No Soun
$18.95
7.4V Amplifier Board Square Dance 2X10W Speaker Amplifier Support Bluetooth AUX U-Disk 5-8Inch Speak
$19.95
7.4V Amplifier Board Square Dance 2X10W Speaker Amplifier Support Bluetooth AUX U-Disk 5-8Inch Spea
$19.95
Tws Tpa3118 Amplifier Audio Board Amplificador Aux 30w/20w Csra64215 5.0 Bluetooth Receiver Hy5066m
$15.95
Treble+Bass 2 Way Speaker Crossover HiFi High-Fidelity Frequency Divider Fever Bookshelf Speaker Mo
$16.95 Save $42.05 RRP: $59.00
1090MHz 1.09GHz ADS-B Active SAW Filter &LNA 5V Power Supply Low Noise Amplifier
$12.95 Save $39.00 RRP: $51.95
Dc 5V 7.83Hz Precision Resonance Ultra-Low Frequency Wave Generator Audio Resonator
$15.95 Save $38.05 RRP: $54.00
-502MT Bluetooth 5.0 Subwoofer Amplifier Board 2.0 Channel High Audio Stereo Amplifier Board 2X50W-Yvan
$14.95 Save $9.00 RRP: $23.95
Car Subwoofer Amplifier Board, 500w Subwoofer High Power Hifi Amplifier Board Dc 12v Xxf
$16.95 Save $18.00 RRP: $34.95
12V Folder Play With Power Amplifier MP3 Decoding Board With Recording Call Loss Motherboard With Bluetooth
$18.95
20W+20W BT 5.0 Wireless o Digital Power Amplifier Mobilephone Control Stereo Board Amp Dual Channel Amplificador
$21.95 Save $26.00 RRP: $47.95
-lt23 5.1bluetooth Power Amplifier Board 50w 2.1channel Amplifier Board With Short Circuit Protecti
$16.95
Bluetooth 5.0 Amplifier Audio Board 30W Mono Stage Amplifier Board, U Disk Decoder, with USB Line
$16.95
Easy Installation Anti-scratch Base Stabilizer Reliable Sturdy Desktop Strengthen Gimbal Base Camera Accessories for Insta360 Flow
$10.95 Save $16.00 RRP: $26.95
Class D TPA3116 Audio Amplifier Board Dual-Channel 2x50W High-Power High-Fidelity Audio Module DC12
$16.95 Save $3.00 RRP: $19.95
New -2001 TPA3221 100WX2 Dual Channel Pure Rear Stage Digital Amplifier Board 200W AMP Bridged Mono Subwoofer Speaker
$21.95 Save $4.00 RRP: $25.95
3D Stereo HIFI 3.7V SD Card USB Bluetooth Amplifier Audio Module PCBA
$11.95 Save $3.00 RRP: $14.95
PAM8610 12V Mini Hi-Fi Audio Stereo Amplifier Board 2X10W Dual Channel D Class for DIY Audio Projec
$9.95 Save $2.00 RRP: $11.95