Features: brand new and high quality Designed with relay for protection and thickened ultra-long heat disffuser for safety and long service duration. Equipped with 4 3300 UF 50V filter capacitors for great performance. Equipped with relay for protection logic and large rectifying bridge for smooth application. Equipped with 8 V-MOS FET chips and considerate wiring layout for best performance of amplifiers and speakers, strenghen controlling of amplifier to speaker. Designed with 2x280W high power, presenting stereo sound to the greatest extent. Specifications: Material: Metal Working Voltage: Dual AC24-26V Channel Type: 2.0 Power Amplifier Chip: V-MOS FET Output power: 280W+280W Size: 25.5x17 for cm/10.03x6.69 inches Approx. Package Includes: 1 Set of Amplifier Board note: 1.Please allow slight inaccuracy due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.