Compact Power Amplifier Board High Performance For Home Audio

Feature: \n 1. Designed with dual TPA3221 amplifier chips, high efficiency, low powerconsumption, fine sound quality, and comprehensive protections.\n2. The interface has been soldered and can be connected to an external BT antenna.\n3. Quick and smooth BT 5.2 connection.\n4. You can customize sound effects through your mobilephone.\n5. Made of fine quality material for long lifespan. \n\nSpecification: \nType: without case, with case, with line (optional)\nMain color: black\nPowerSupply: DC12-30Volt/5A above\nBT: 5.2\nAudio input: BT+AUX+U Disk+USB Sound Card\nBT audio decoding: AAC/SBC\nU disk decoding: WAV/FLAC/APE/MP3\nLeft and right channel output power:\n10W+10W@8\u03A9/12VDC\n20W+20W@4\u03A9/12VDC\n35W+35W@8\u03A9/24VDC\n70W+70W@4\u03A9/24VDC\n60W+60W@8\u03A9/30VDC\n100W+100W@4\u03A9/30VDC\nSubwoofer output power:\n10W @8\u03A9/12VDC\n20W @4\u03A9/12VDC\n35W @8\u03A9/24VDC\n70W @4\u03A9/24VDC\n60W @8\u03A9/30VDC\n100W @4\u03A9/30VDC\n200W @2\u03A9/30VDC\nWithout case size: 11: