Features: Experience Sound Performances with 2Core TPA3255 Stereos Amplifiers, delivering up to 600W, distortions sound. Featuring advanced boosting technology in differentials input circuit and D class operations, this Amplifiers ensures clear Sound across a frequency response of 20Hz to 30KHz. Audiophiles and professional sound engineer will appreciate the Precisions and power that Stereos Amplifiers brings to every listenings. for home studios, live performances, or any indoor where superior sound, this Amplifiers elevates Sound experience. Constructed with metals for durability, and equipped with communication interfaces, this Amplifiers integrates with existing professional Sound. Specifications: Chip: TPA3255x2 Working: D Working Voltages: DC19-50V, current above 5A. The front-end differentials input circuit adopts boost technology Size: 140x125x30mm Weight: 342g Output power: 600W/2ohmx2 315W/4ohmx2 200W/8ohmx2 Total distortions: 0.006% Frequency response: 20Hz to 30KHz Product specification: TPA3255 Control method: plug-in cable Power supply Voltages: 48 Power supply current: 10 power: 600 Package Includes: 1PC TPA3255 Stereos Amplifiers note: Size for manual measurement, there may be a 0 to 2cm error, belongs to the normal phenomenon. And due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!