MakerHawk Mini Amplifier Board Bluetooth Amplifier 2.0 2X50W 5V-24V Audio Power Amplifier Module for Store Home Theater Speakers

Parameter Model: ZK-502L Bluetooth Version: 5.0 (without occlusion 15m) Audio Input: Bluetooth Channel: 2.0 Input Sensitivity: 500mV Adaption Supply Voltage: 5-24V Speaker: 30-200W, 4-8Ohm Protection Mechanism: self-recovery overheat protection, self-recovery short circuit protection Power Supply Voltage: 12V - 8ohm/12W*2; 4ohm/20W*2 15V - 8ohm/18W*2; 4ohm/30W*2 19V - 8ohm/32W*2; 4ohm/40W*2 24V - 8ohm/38W*2; 4ohm/50W*2 Tip: To have enough output power if the audio input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound power. Please ensure that the power of the adaptor is greater than the actual working power of the amplifier. What you get: 1 * Mini amplifier bluetooth board 1 * Shell (upper+lower) 1 * DC line 1 * Accessories as shown