Updated: 18-02-2026
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Decoding Playback A7-004 Bluetooth Audio Receiver Board, 5V 2.1 Stereo Music Module with USB TF Card Slot $2.98
Super ELM327 Bluetooth V2.1 OBD2 Scanner BT ELM 327 OBD II IOS OBD Protocol Code Reader Diagnostic Tool Mini ELM327 2.1 $3.27
XIKCU LED MP3 Bluetooth FM Audio Receiver Hands-Free Bluetooth 5.0 Transmitter 2.1A 3.1A QC3.0 Type C Dual USB Car kit Charger $3.34
Super Bluetooth BT4.0 ELM327 V2.1 OBD2 Scanner ELM327 2.1 OBDII Auto Car Diagnostic Tool ELM 327 Code Reader For IOS/Android/PC $3.37
Stereo Digital Power Amplifier Board Bluetooth-compatible XY-C50L Dual Channel 2.0 2.1 BT5.0 Amplifier Module 100W*2 50W*2 New $7.92
ZK-MT21 Bluetooth 5.0 Amplifier Board, 200W 2.1 Channel Stereo System (50Wx2+100W) for Powerful Subwoofer, Bass Boost, AUX in $13.25
ZK-MT21 2x50W+100W 2.1 Channel Bluetooth 5.0 Subwoofer Digital Power Amplifier Board AUX 12V 24V Audio Stereo Bass Amp for Home $13.53
YS-LT21 2.1 Channel Bluetooth Amplifier Board 15W+15W+30W with Subwoofer Knob Adjusting Encoder Audio Module DC9-24V $13.95
ZK-MT21 Digital Power Amplifier Board 2x50W+100W 2.1 Channel Subwoofer AUX 12V 24V Audio Stereo Bluetooth 5.0 Bass Amplifier $17.68
ZK-LT22 2.1 channel Bluetooth audio amplifier board module 15W+15W+30W subwoofer TWS true wireless $17.82
ZK-MT21S 2.1 Channel Bluetooth Amplifier Board 50W+50W+100W TPA3116D2 With Dual Mic Echo/Subwoofer Output $18.77
ZK-MT21 2.1 Subwoofer Amplifier Board 50W*2 +100W Power Audio Stereo Amplifier Channel Bluetooth 5.0 AUX 12V/24V Stereo $21.26
XH-A305 2.1 Channel Bass Subwoofer Bluetooth 5.0 Audio Stereo Digital Power Amplifier Board TPA3116 D2 50Wx2+100W AMP Module NEW $24.58
AA86 ZK-6001 Digital Power Amplifier Board 2.1 Channel 600W Subwoofer TPA3225 Bluetooth Amplifier Module With Shielded Wire $37.59
Wuzhi Audio 2.1 Channel Bluetooth Digital Power Amplifier Module, High and Low Tone Super Heavy Subwoofer High Power $39.94
A75T TPA3156D2 2.1 Channel Bluetooth 5.0 Digital Amplifier Board 2X 70W+140W High Power Subwoofer Class D Amplifier DC8V-24V $42.26
B04C-TB21Q QCC3034+ TPA3116 Bluetooth Amplifier Board 2.1 Channel Lossless APTX 2X50W+ 100W Audio Amp Module With Enclosure Hous $50.00
DC15-36V ZK-DAM-L1 Integrated 2.1 – Channel Bluetooth Amplifier Board for High – Power Karaoke Singing Microphone. $51.13
160W+160W+220W 2.1 Channel Bluetooth Sound Amplifier Board Heavy Bass Amplifier Module ADAU1701 TDA7498E Audio AMP DAS A1 $52.77
NVARCHER TPA3221 2.1 channel 400W amplifier board DSP Bluetooth amplifier DSP tuning $56.32
AS21HPA High Power Bluetooth Digital Power Amplifier 2.1 Channel Subwoofer 300W * 2 + 600W Imported TPA3255 $56.93
A45U 2.1 Inch Electronic Price Tag ESL TFT Screen Display No Messy Writing Bluetooth Connect Management For Android APP $59.61
ZK-AM100F Lead KTV Microphone Audio All-in-One 2.1 Channel Bluetooth Power Amplifier Board 50 + 50 + 100W $62.44
AS21HPA High Power Bluetooth Digital Amplifier 2.1 Channel Heavy Bass 300W*2+600W Imported TPA3255 $64.28
ABAC-2.1 Inch Electronic Price Tag ESL TFT Screen Display No Messy Writing Bluetooth Connect Management For Android APP $68.23
2.1 Channel ZK-APTX1 Bluetooth Digital Amplifier Board 100Wx2 + 200W Subwoofer Amp, High-Quality Audio Receiver $71.43
for 2.1 Channel High Power Bluetooth 5.2 Digital Amplifier Board with Lossless USB Playback for DIY Speaker Module $79.44
Arylic-B50 SE Bluetooth Stereo Audio Amplifier Receiver, 2.1 Channel, Mini Class D Integrated Amp for Home Speakers, 50W x 2 $103.31
ULTIMEA 2.1ch Compact Sound Bar for TV, 3-Inch Built-in Subwoofer, 120W All-in-one PC Sound bar for Game,Bluetooth 5.4 $116.55
2.1 Channel Power Amplifier， 300W Subwoofer Bass Boost Amp with Bluetooth 5.1， for Home Theater & Desktop Audio System $221.51
2.1 Active two-way frequency home bookshelf HiFi Bluetooth speaker Audiophile computer stereo $574.66
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Price history (for all/most countries) for Bluetooth 2.1 Gamepad is here. The lowest price was: $9.99.Gearbest Price Alert
