Specification: Item Type:&Nbsp;Power Amplifier Board Material: Pcb Purpose: Digital Power Amplifier Board Model: Zk-502L Bluetooth Version: 5.0 Input Method: Bluetooth Number Of Channels: Left And Right Channels (Stereo) Bluetooth Version: 5.0 (Unobstructed, Approx. 15M/49.2Ft) To Noise Ratio: ≫90 Db Adapted Power Supply Voltage: 5-24V (Optional 9V/12V/15V18V/24V And Other Adapters, High Power Recommended High Voltage) Adapted Speakers: 30W-200 W, 4O-8O Power Supply Voltage:&Nbsp; 12V-8 O/12W+12W, 4 O/20W+20W 15V-8 O/18W+18W, 4 O/30W+30W 19V-8 O/32W+32W, 4 O/45W+45W 24V-8 O/38W+38W, 4 O/50W+50W Mechanism: Self Recovery Overheating , Self Recovery Short Circuit
Package List: 1 X Power Amplifier Board&Nbsp; 1 X Screwdriver 9 X Screw 4 X Brass Connecting Rod 2 X Acrylic Board 1 X Knob 1 X Cable
Note: The Input Voltage Cannot Exceed 24V, Otherwise The Audio Amplifier Module Will Be Damaged.