DC12-30V ZK-ST21 BT Digital Amplifier Board 2.1 Channel 100W+100W+200W Subwoofer Chip TPA3221

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mickcara
f30b90-1-withcase-CHINA
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2. Equipped with two TPA3221, it supports 2.1-channel BT digital amplifier 100W+100W+200W high power, with dual cores for greater stability.
3. Using lossless components for better sound quality and easier independent tuning of high and low frequencies.
4. Supports BT, with a first generation IPEX interface soldered. Customers can also customize their own antenna and connect it to an external BT antenna for easy use.

Parameter:
Product Name: BT Audio Amplifier Board
Product Model: XY-ST21 PRO
Power supply: DC12-30V/5A or above
DC seat: 5.5-2.5mm
BT version: 5.2
Audio input: BT+AUX+USB flash drive+sound card
BT audio decoding: AAC SBC
Left and right channel output power:
10W+10W @ 8Ω/12VDC
20W+20W @ 4Ω/12VDC
35W+35W @ 8Ω/24VDC
70W+70W @ 4Ω/24VDC
60W+60W @ 8Ω/30VDC
100W+100W @ 4Ω/30VDC
Subwoofer output power:
10W @ 8Ω/12VDC
20W @ 4Ω/12VDC
35W @ 8Ω/24VDC
70W @ 4Ω/24VDC
60W @ 8Ω/30VDC
100W @ 4Ω/30VDC
200W @ 2Ω/30VDC

RETURNS POLICY

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Donec ullamcorper magna enim, vitae fermentum turpis elementum quis. Interdum et malesuada fames ac ante ipsum primis in faucibus.

Curabitur vel sem mi. Proin in lobortis ipsum. Aliquam rutrum tempor ex ac rutrum. Maecenas nunc nulla, placerat at eleifend in, viverra etos sem. Nam sagittis lacus metus, dignissim blandit magna euismod eget. Suspendisse a nisl lacus. Phasellus eget augue tincidunt, sollicitudin lectus sed, convallis desto. Pellentesque vitae dui lacinia, venenatis erat sit amet, fringilla felis. Nullam maximus nisi nec mi facilisis.

How to choose the correct size:

Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.

For example, If your foot length is 255 mm , you should choose the size 8.

Step 3 If you\'re not sure of the correct size, you can click chat with us!

WHATSAPP:+8613625959351

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DC12-30V ZK-ST21 BT Digital Amplifier Board 2.1 Channel 100W+100W+200W Subwoofer Chip TPA3221
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