Voltage and power Working voltage range: 18 to 50 V DC Maximum rated limit: 53 V Recommended power supply: 36 to 48 V DC at 12 A Output power by configuration Left or right channel: 300 W at 50 V into 4 Ω; 160 W at 50 V into 8 Ω Subwoofer (maximum power): 600 W at 50 V into 2 Ω; 300 W at 50 V into 4 Ω; 160 W at 50 V into 8 Ω Note: Higher supply voltage and lower impedance produce greater output power Technology and construction Developed with the latest materials for a power Bluetooth digital power amplifier board 2.1channel fidelity sound quality What makes it stand out power handling with clear channel separation for stereo and subwoofer use Flexible impedance support across 2 Ω, 4 Ω, and 8 Ω configurations Bluetooth digital integration for convenient wireless audio input Robust design optimized for fixed installations and DIY projects requiring strong output Recommended use scenarios Home audio system or compact powered speaker that requires strong, clean amplification for two channels and a subwoofer, using a 3648 V DC supply DIY PA or outdoor event setup that benefits from peak power into lowimpedance subwoofers and speakers Fixedinstallation audio in venues or studios where a dedicated DC power source is available and Bluetooth input is desired Key attributes Function: power Bluetooth digital amplifier with stereo and subwoofer capability Compatibility: supports 2 Ω, 4 Ω, and 8 Ω loads; suitable for left/right channels and subwoofer applications Power handling: up to 600 W for subwoofers at 2 Ω under 50 V Size and form: designed as a compact, power amplifier board using modern materials Performance: aims for fidelity, lowdistortion sound across channels and subwoofer output Safety and usage notes Operate within the specified 1850 V DC range; avoid exceeding the 53 V limit Use a DC supply that meets or exceeds the recommended 3648 V and 12 A to ensure stable performance