Power supply: DC 3.6v-5.5V Output power: 3W+3W (4Ohms) SNR: 90dB Efficiency:> 90% Maximum closed-loop gain: 24DB
1: Do not reverse the positive and negative of power supply.voltage can not exceed 5.5V, Otherwise, immediately burn IC
2: On-chip high-gain buffer, the board can not change any component parameters and do not meet the parameters will result in IC damage.
3: The input line, please try to use shielded cable, interference can play a role in removing clutter current sound.
4: output cmos tube BTL drive, so the speaker can be connected together without the negative, that is connected to the speaker's four lines are completely independent, does not allow connect to the same GND !
Package Included: 1 x Mini Digital 3W+3W Dual-Channel Power Amplifier Board for Arduino Raspberry pi Mini Digital 3W+3W Dual-Channel Power Amplifier Board for Arduino Raspberry pi