ZK-TB21 Pro Bluetooth Amplifier Board 50W+50W+145W 2.1 Channel Subwoofer Audio Receiver Lossless Decoding

Specifications Product Name 2 1 channel Bluetooth amplifier board 50W 50W 145WModel ZK TB21 PROOperating Voltage 12 24 VDC recommended power supply 24V 8AMaximum Power Left and right channels ≤50W eachSubwoofer channel ≤145WSpeaker Adapter Left and right channels 20 50W 4 8ΩSubwoofer 50 150W 2 8ΩBluetooth Range 15 metersInput Methods Bluetooth AUX PC USBNumber of Channels 2 1 left and right channels subwoofer Protection Mechanism Input undervoltage overheat overcurrent short circuit protection and reverse connection protectionProduct Dimensions Integrated with shell 119x100x25mmIntegrated without shell 119x100x22 8mmLead out type 101x100x18 2mmProduct Weight Integrated with shell 234 5gIntegrated without shell 166 3gLead out type 193gFeatures 1 Optimized Subwoofer Performance Enhanced subwoofer channel delivers clear and powerful bass with up to 145W output 2 Multiple Input Options Supports Bluetooth AUX PC and USB for versatile connectivity with Bluetooth taking priority 3 Advanced Protection Equipped with mechanisms to guard against undervoltage overcurrent overheating and short circuits 4 Efficient Heat Dissipation Larger and thicker radiators ensure effective cooling for stable operation 5 Lossless Audio Decoding Provides high quality audio playback via U disk compatibility Package Included 1 x ZK TB21 PRO Amplifier Board