ZK-MT21 50W X 2+100W 2.1 Channel Bluetooth Digital Amplifier Module, ZK-MT21

1. Bluetooth version: 5.0 (unobstructed, 15 meters)2. Input sensitivity: 500mV3. Input mode: AUX+Bluetooth4. Number of power channels: 2.1 channels5. Adaptable speaker: 20-100W, 4-8 ohms6. Protection mechanism: anti-reverse connection, overheating and overcurrent, short circuit protection.7. Adaptable power supply: DC 12-24V/5A or above (cannot be connected to 24V battery pack).8. Output power: less than 50W for left and right channel, less than 100W for subwoofer.9. Size: about 9.3 x 9 x 2.2cm10. Weight: about 185g (including packaging)Tip: In the case of enough audio input, enough power supply voltage/current, there will be enough output power, the higher the power supply voltage the higher the output power, the lower the impedance of the speaker the higher the output power, please make sure that the adapted power supply power is greater than the actual working power of the amplifierSpecification: Package Weight One Package Weight 0.20kgs / 0.43lb One Package Size 12cm * 12cm * 3cm / 4.72inch * 4.72inch * 1.18inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 63cm * 63cm * 15cm / 24.8inch * 24.8inch * 5.91inch Loading Container 20GP: 447 cartons * 146 pcs = 65262 pcs40HQ: 1039 cartons * 146 pcs = 151694 pcs