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Under $20 Audio Amplifiers

Shop the best prices on 11,707 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 3,200
DX0809 Two-Channel Power Amplifier Board 60W Hi-Fi Stereo Audio Power Amplifier Volume Tone Control Board Kit
$15.95 Save $9.00 RRP: $24.95
30W MP3 Voice Playback Module DY-L30T 9 Trigger Music Player Power Amplifier Board TF Card 32G Max W Edition 0121
$19.95 Save $39.05 RRP: $59.00
Lora Module SX1276 Wireless Transceiver Module(868Mhz)
$14.95 Save $11.00 RRP: $25.95
Heart Shaped RGB LED Flashing Light Module DIY Electronic Kit Water Lamp Soldering Project Practice for School Student
$12.95
1PCS LM386 10W Audio Amplifier Board Mono 3.5mm DC 3-12V Volume Control Mini AMP Module Adjustable Volume
$7.95
5.0 Bluetooth Power Amplifier Board 100W Channel Amplifier Board
$20.95 Save $30.00 RRP: $50.95
Bluetooth 5.0 Stereo Audio Amplifier Receiver 2channel Class D Mini Hi-fi Amp
$16.95 Save $34.00 RRP: $50.95
TA7668 Tape Drive Preamplifier Amplifier Tape Deck Board
$10.95 Save $6.00 RRP: $16.95
Mono 100W Bluetooth Audio Amplifier Board with TWS Box Function TPA3116D2 BT5.1 Stereo Audio Module
$22.95 Save $20.00 RRP: $42.95
4.4mm 5 Poles Male Full Balanced Headphone Plug For Nw-wm1z Nw-wm1a Amp Pla unbrand
$15.95 Save $7.00 RRP: $22.95
Mini Bluetooth-compatible 5.0 Wireless Audio Digital Power Amplifier Stereo Board 30w/40w Amp Amplificador Xy-p40w
$14.95 Save $69.05 RRP: $84.00
Speaker Binding Post Terminal Power Amplifier 2 way Banana Plug Jack (4PCS)
$16.95 Save $6.00 RRP: $22.95
TDA7377 Digital Power Amplifier Module 2x35W Dual Channel Stereo Digital Power Amplifier Board for DIY Speakers
$19.95 Save $19.00 RRP: $38.95
RF Amplifier Module Professional 20?3000+MHz Low Noise RF Amplifier Board for Radio 3.3?6V
$18.95 Save $18.00 RRP: $36.95
Voice Sound Playback Module MP3 Player Module UART I/O Trigger Class D Amplifier Board 5W DY-SV5W
$20.95 Save $20.00 RRP: $40.95
Mini Headphone Amplifier Module 3.5mm Interface Earphone Preamplifier Board DC 3?12V MAX4410
$15.95 Save $15.00 RRP: $30.95
Bluetooth 5.0 Amplifier Audio Board 30w Mono Stage Amplifier Board, U Disk Decoder, With Aux Line
$10.95 Save $7.00 RRP: $17.95
Expert Miniature Sound Increaser Wide 3 12V Input Extent Noise Suppression Technology Multicolor
$20.95
Tall Execution Sound Increaser Component 0.01% 90dB Dense For Sound Systems Multicolor
$19.95
Energy Efficient Earphones Increaser Component 90dB Indication Clearness Continuous Connection For Sound Projects Multicolor
$19.95
2025 TDA2050 DC 12-24V 5W-120W 1 Channel Audio Power Amplifier Board Module
$6.95 Save $7.00 RRP: $13.95
2025 3.7v Amplifier Board Square Dance Speaker Amplifier Support Bluetooth Aux Tf-card U-disk Recording
$12.95 Save $12.00 RRP: $24.95
2025 4Pcs 4 Pole Speaker Plug Twist Lock o Power Amplifier Cable Connector CNL4FC(Red )
$13.95 Save $13.00 RRP: $26.95
2025 Class A 16-300 ohm HiFi Headphone Amplifier 3.5mm Jack Aux Portable Adjustable Audio Amp Music Player for Speaker MP3 Computer Mobile Phone
$18.95 Save $19.00 RRP: $37.95
2025 3.7V Amplifier Board Square Dance Speaker Amplifier Support Bluetooth AUX TF-Card U-Disk Recording 5 NN
$21.95 Save $22.00 RRP: $43.95
4Pcs 4 Pole Speaker Plug Twist Lock o Power Amplifier Cable Connector CNL4FC(Blue )
$18.95 Save $27.00 RRP: $45.95
4Pcs 4 Pole Speaker Plug Twist Lock o Power Amplifier Cable Connector CNL4FC(Orange )
$18.95 Save $27.00 RRP: $45.95
PAM8403 2X5W Bluetooth 5.0 Stereo Mini Digital Amplifier Board Dual Channel Class D DC5V AMP
$21.95 Save $19.00 RRP: $40.95
TDA2030A DIY Power Amplifier Module Audio Power Amplifier Board Amplifier Module
$21.95 Save $19.00 RRP: $40.95
Differential Power Amplifier Board 2X10W Digital Class D Audio Power Amplifier HT8697 3.6-8.5V Diffe
$20.95 Save $19.00 RRP: $39.95
Tda2030A 2.1 Super Bass 2.1 Subwoofer Amplifier Board Three-Channel Speaker Audio Amplifier Board
$20.95 Save $18.00 RRP: $38.95
LM1875 Power Amplifier Board Dual Channel 2.0 Stereo Pure Power Amplifier Board DIY Speaker High Pow
$19.95 Save $18.00 RRP: $37.95