High Power Amplifier Board with 2x80W & Dual Filter Capacitors Audio Board with FET Chip & 4558 OP AMP TYP H8WDFeatures: brand new and high qualityDesigned with 2x80W high power, presenting stereo sound to the greatest extent.Designed with 3 rotating adjustment buttons for treble,bass and total volumn respectively.Designed with simple wiring connection, suitable for DIY Application of green hands.Equipped with 2 filter capacitors, 4 field effect transistors for great performance.Equipped with short-circuit protection logic for ensuring safety.Specifications: Material: MetalSize: 18x12.5 cm/7.08x4.92 inches Approx.Working Voltage: Dual AC15-22VMaximum Output Power: 80W + 80WOp Amp Type: 4558Chip Type: FETNet Weight: 195g Approx.Package Includes: 1 Set of Amplifier BoardNote: 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.