Mini Bluetooth 5.1 Receiving Audio Module With Power Amplifier Digital D Stereo Dual Channel, ZK-LT21, ZK-152, ZK-152T, ZK-302, ZK-302T

1. Speaker impedance: 4-8 ohms
2. Speaker power: 10-50W
3. Input current: 3A
4. Input voltage: 9-24V
5. Function: Support Wuzhi Audio App
6. Audio input: BT+AUX+USB+USB sound card
7. Power output: 15W+15W+30W
8. Number of channels: 2.1
9. Protection mechanism: overcurrent, overheating, short circuit, anti-static protection
10. Dimensions: 76 x 60 x 22mm
11. Weight: about 102G
12. Note: 24V battery cannot be used for power supply, because the full voltage of the battery will be around 28V