XY ST21PRO Compact 2.1Channel TPA3255 BT Digital Power Amplifier Board High And Low Tone Subwoofer Power Amplifier

Feature: 1. Designed with dual TPA3221 amplifier chips, high efficiency, low powerconsumption, fine sound quality, and comprehensive protections. 2. The IPEX interface has been soldered and can be connected to an external BT antenna. 3. Quick and smooth BT 5.2 connection. 4. You can customize sound effects through your mobilephone. 5. Made of fine quality material for long lifespan. Specification: Type: without case, with case, with line (optional)Main color: blackPowerSupply: DC12 30Volt 5A aboveBT: 5.2Audio input: BT+AUX+U Disk+USB Sound CardBT audio decoding: AAC SBCU disk decoding: WAV FLAC APE MP3Left and right channel output power:10W+10W@8 Ohm 12VDC20W+20W@4 Ohm 12VDC35W+35W@8 Ohm 24VDC70W+70W@4 Ohm 24VDC60W+60W@8 Ohm 30VDC100W+100W@4 Ohm 30VDCSubwoofer output power:10W @8 Ohm 12VDC20W @4 Ohm 12VDC35W @8 Ohm 24VDC70W @4 Ohm 24VDC60W @8 Ohm 30VDC100W @4 Ohm 30VDC200W @2 Ohm 30VDCWithout case size: 111 * 100 * 23mm 4.4 * 3.9 * 0.9inWith case size: 112 * 102 * 28mm 4.4 * 4.0 * 1.1inPackage size: 150 * 132 * 53mm 5.9 * 5.2 * 2.1inPackage weight:without case: 255g 9.0ouncewith case: 345g 12.2ouncewith line: 295g 10.4ounce Package List: without case:1 * Power Amplifier Board with case:1 * Power Amplifier Board1 * Case (Self assembly required) with line:1 * Power Amplifier Board with 200mm Line