ZK-502A Bluetooth Audio Digital Power Amplifier Board Module 2.0 Stereo Dual Channel 50W + 50W

Feature APP download Click to openModel ZK 502AName 2 0 channel 50Wx2 stereo BT audio power amplifierAudio input AUX BT USB drive USB sound cardBT version 5 1Audio output Left channel 50W right channel 50WAdaptive power supply DC 9 24V ≥3A Do not connect to AC Adaptive speaker 10 50W 4 8ΩVolume adjustment Classic mechanical knob with volume scale stepless adjustment Switch machine Classic mechanical switch one turn on and off without long press and wait Protection mechanism Overheating over current short circuit anti static protectionCharacteristic function Support Wuzhi Audio APP Modify BT name password setting prompt tone volume adjustment on off prompt tone lullaby sound effect selection custom sound effect USB flash disk playlistSize 60 50 18mmPackage includes 1 x Power amplifier