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ZK-MT21 2.1 Channel Bluetooth Amplifier Board Mini 12V-24V Audio Receiver with Subwoofer Output, Bass Treble Control DIY Home TV Car Stereo Amp for Passive Speakers

Limited time offer, ends 07/06 By SiMoPiJuXiangBaoShangDian

  • Big Power in Tiny SizeDrives left/right speakers (50W each, 4-8) plus subwoofer (100W). Perfect for bookshelf speakers, TV soundbars, or DIY boomboxes.
  • Dual Input Modes Bluetooth & AUX Stream wirelessly via Bluetooth 5.0 (up to 33ft) or connect any device using the 3.5mm AUX input. Works with phones, TVs, computers, and more.
  • More Power with 24V Supply Runs on DC 12V-24V / 5A or above (power supply NOT included). Higher voltage = bigger sound. Users say 24V makes it "room-shaking."
  • Full Tone Control Knobs Separate controls for master volume, sub level, sub frequency (20-200Hz), plus bass and treble for left/right channels. Fine-tune your perfect sound.
  • Easy DIY AssemblyComes with top/bottom covers, 8 small screws, 5 knob caps, and a screwdriver. Barely gets warm even after hours of use. Great for reviving old speakers.
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product picture

Name:2.1 Channel Bluetooth Audio Power Amplifier Module

Product Description

Power Amplifier Chip: Amp chip

Input Voltage :DC 12V-24V;Input Sensitivity:500mV

Max Power Output: 50W+50W+100W

Input Method:Bluetooth &AUX ; Channel:2.1 CH stereo Output

Output impedance :4-8O;Bluetooth Version:BT 5.0

https://m.media-amazon.com/images/S/aplus-media-library-service-media/d89f17d3-dbe8-48c3-b4e2-75c13f4c0306.__AC_SR150,300___.jpg
ZK-MT21 2.1 Channel Bluetooth 5.0 Power Amplifier Board, 50W*2+100W Home Audi...
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HOCHANAN Bluetooth Amplifier Board YS-S350H Bluetooth-Compatible 220W*2+350W ...
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ZK-TB21 2.1 Channel Bluetooth 5.0 Amplifier Board, 50W+50W+100W Subwoofer Amp...
Customer Reviews
Price
Amplifier Chip Amp Chip TPA3255 TPA3116D2
MAX Power 50W+50W+100W 220W+220W+350W 50W+50W+100W
Input BT/AUX BT/AUX/USB BT/AUX
1
2
66
product picture

Name:2.1 Channel Bluetooth Audio Power Amplifier Module

Product Description

Power Amplifier Chip: Amp chip

Input Voltage :DC 12V-24V;Input Sensitivity:500mV

Max Power Output: 50W+50W+100W

Input Method:Bluetooth &AUX ; Channel:2.1 CH stereo Output

Output impedance :4-8O;Bluetooth Version:BT 5.0

https://m.media-amazon.com/images/S/aplus-media-library-service-media/d89f17d3-dbe8-48c3-b4e2-75c13f4c0306.__AC_SR150,300___.jpg
ZK-MT21 2.1 Channel Bluetooth 5.0 Power Amplifier Board, 50W*2+100W Home Audi...
https://m.media-amazon.com/images/S/aplus-media-library-service-media/78773362-4e48-4d5c-95a5-dc7264ec1751.__AC_SR150,300___.jpg
HOCHANAN Bluetooth Amplifier Board YS-S350H Bluetooth-Compatible 220W*2+350W ...
https://m.media-amazon.com/images/S/aplus-media-library-service-media/b78d00e6-7e5a-46b6-8a3c-409124df0074.__AC_SR150,300___.jpg
ZK-TB21 2.1 Channel Bluetooth 5.0 Amplifier Board, 50W+50W+100W Subwoofer Amp...
Customer Reviews
Price
Amplifier Chip Amp Chip TPA3255 TPA3116D2
MAX Power 50W+50W+100W 220W+220W+350W 50W+50W+100W
Input BT/AUX BT/AUX/USB BT/AUX
ZK-MT21 2.1 Channel Bluetooth Amplifier Board Mini 12V-24V Audio Receiver with Subwoofer Output, Bass Treble Control DIY Home TV Car Stereo Amp for Passive Speakers

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