Description
It is recommended to use Audio input: BT +AUX+U disk +USB sound card +MIC sound. Frequency output: left channel 50W+ right channel 50W+ subwoofer 100W..Commonly used speakers are generally 4 ohms or 8 ohms, can not distinguish between positive and negative, the effect is the same..Bluetooth &AUX mode is preferred, As long as the BT connection is successful is BT mode, and BT mode support automatic connection. If you want to use AUX audio input, then disconnect the Bluetooth connection and there will also be a sound prompt to plug in Audio cable can play music..The TREBLE potentiometer on the left controls the TREBLE. the right TREBLE enhanced and the left TREBLE attenuated. The sound is distorted. Please change the adapter power supply with a higher voltage rating..The input power is insufficient, and the power supply itself is intermittently powered off, please replace the power supply with a larger power. Or the output power is too large, the power amplifier board is seriously heated, and thermal protection occurs, reducing power usage or enhancing heat dissipation.
