2. Carry two TPA3221, support 2.1 channel Bluetooth digital amplifier 100W + 100W + 200W high power, dual-core more stable.
3. Using lossless components, better sound quality, high and low independent tuning more convenient.
4. Support Bluetooth, has welded a generation of IPEX interface, customers can also be equipped with their own antenna external Bluetooth antenna, easy to use.
5. With protection mechanism, with input undervoltage, input anti-reverse connection, overheating, overcurrent, short circuit protection.
Product Name：Bluetooth audio amplifier board
Product Model: XY-ST21 PRO
Power supply: DC12-30V/5A or above
DC Holder: 5.5-2.5MM
Bluetooth version: 5.2
Audio input: Bluetooth + AUX + U disk + sound card
Bluetooth 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
Product Dimensions:
Without case: approx. 111x100x23mm
With case: about 112x102x28mm
Potentiometer connection cable length: approx. 20cm
1 x amplifier board
1 x Enclosure Kit
5 x Leads
1. Shipment does not include power supply, audio cable.
2.Add external antenna (special scene):
2-1. board are with on-board antenna, normal distance 10-15 meters, if it is loaded into a metal shell (will shield the signal) or increase the Bluetooth distance (20-30 meters) before using the external antenna.
2-2. Customers need to buy their own 2.4G antenna (antenna extension cable, antenna bar), this product does not include external antenna.
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Ple
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication
When you satisfied with our product and services please leave us positive feedback.
If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay.We will maill bakc within 24hours