Feature: Audio input: wireless bluetooth receive, USB decoding, TF card decoding, audio input seat Support playing format: MP3, WMA, WAV, FLAC Amplifier chip: stereo channels TPA311 (50W + 50W), bass TPA311 (BTL 100W) Output power: 50W + 50W + 100W (bass) Operating voltage: 12 ~ 2V DC Recommended power supply: 24V DC, >5A (staccato situation occurs at high volume large dynamic status when power supply current is not enough) can use 24V 3A power supply when speaker power is not so large Speaker Impedance: 4ohms, ohms, 8 ohms
Package included: 1 x Wireless Bluetooth Digital 2.1 Channel Amplifier Board