Specifications Brand XinYi Sini AudioModel XY AP3002Power Supply DC 18 51V 10APower Amplifier Chip TPA3255Audio Input AUX XH2 54 3PDimensions 124 x 67 x 33 mmWeight 236g Integrated Potentiometer Version 245g External Potentiometer Version Features 1 High Power Output Equipped with a TPA3255 power amplifier chip delivering up to 300W x 2 for powerful stereo sound or 600W in bridge mono mode for an impressive audio experience 2 Wide Voltage Range Operates with a versatile DC input range of 18V to 51V making it compatible with various power sources for different application scenarios 3 Compact Design With dimensions of 124 x 67 x 33 mm the amplifier board is compact and easy to integrate into audio equipment setups saving valuable space 4 Dual Potentiometer Options Available in two versions integrated potentiometer or external potentiometer for customizable volume control to suit user preferences 5 Enhanced Heat Dissipation Included high efficiency airflow cooling system ensures optimal performance and stability by preventing overheating during operation Package Included 1 x Power Amplifier Board