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Under $20 Audio Amplifiers

Shop the best prices on 10,332 great value under $20 audio amplifiers. Shopping for audio amplifiers is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Elriven, Woosien and more. Buy audio amplifiers online safely with Fruugo, with secure payment and fast shipping to Singapore.

Power AmplifiersHeadphone Amplifiers
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1 - 32 of 10,332
Tda7294 Mono 100w Amplifier Board Finished Board
$4.95
Bluetooth 5.3 Audio Amplifier Board with MIC, MP3 Decoder USB TF AUX Input, 2x3W Lossless Player
$20.95 Save $11.00 RRP: $31.95
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
MT21 Channel Bluetooth 5.0 2.1 Subwoofer Amplifier Board 50Wx2 +100W Power Audio Stereo Amplifier Board
$18.95 Save $9.00 RRP: $27.95
TPA6132 Differential-Balanced Stereo Headphone Amplifier Board HIFI AMP 2.3-5.5V
$8.95 Save $2.00 RRP: $10.95
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
MAX4410 Headphone Amplifier Board Headset Amplifier Mini Amp for Pre-Amplifier 80mwx80mw Replaces NE5532
$9.95 Save $6.00 RRP: $15.95
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
USB C DAC Amp Type-C to Type-C Upgrade Cable Adapter Audio Adapter Cable Plug and Play
$11.95 Save $7.00 RRP: $18.95
ZK-502T 50Wx2 Stereo Amplifier Board Car Bluetooth Dual-Channel Stereo High and Low Frequency Adjustment Amplifier Board
$17.95 Save $11.00 RRP: $28.95
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
$19.95
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
Headphone Amplifier Board 150 MW Audio Differential Balanced TPA6112 and SGM4812 HIFI Amp Module Sp
$9.95 Save $2.00 RRP: $11.95