Features: Highly power professional amplifier: The AD600W is designing with double channel and provide powerful output power, suitable for various needs. Quality chip: Use A1943/2SC5200 power amplifier chip, ensuring clear and stable quality, providing excellent sound performances. Excellent stability: With excellent heat dissipation design and stable circuit structure, it ensures stability during long time highly load operate. Multifunctional interface: Supports multiple input and output interfaces, for different sound devices, and meet the different connection needs of users. Quality: metal housing, stable structure, suitable for long time use. Specifications: Component: PCB+Metal Size: about 30x16x7.50cm/11.8x6.29x2.95inch Working voltage: Double AC24-35Volt Chip type: 2SA1943/C5200 Power: 600W+600W Rate output: 400W+400W Channel: 2CH Package Includes: 1pc Power Amplifier Board 2CH 1pc Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.