Specification Model ZK AS21PPower Output 300W 300W for L R channels 600W for subwoofer at 50VWorking Voltage Range 18 50VDC Recommended DC supply 36 48V 12A Audio Input Bluetooth 5 1 AUX USB Disk Sound CardSupported Channels 2 1 channel Left Right Subwoofer Amplifier Chip Dual Texas Instruments TPA3255 chipsTransmission Bluetooth Range up to 15 metersFeatures 1 High Power Output 300W per channel for left and right speakers and 600W for the subwoofer ensures clear and powerful sound output 2 Flexible Audio Inputs Supports Bluetooth 5 1 AUX USB disk and sound card options to accommodate diverse audio sources 3 Advanced Components Equipped with six Nichicon purple robe HIFI electrolytic capacitors designed for excellent sound quality and low distortion 4 Efficient Cooling System Includes a thickened heat sink and silent long life fan to prevent overheating and enable stable performance at high power 5 Customizable Functionality Features external potentiometer ports for gain adjustment and additional expansion interfaces to connect microphones or decoding boards 6 Premium Build High quality shielded connectors and tin sprayed board design enhance operational reliability and signal clarity Package Includes 1 x ZK AS21P Power Amplifier Board
