The TPA3255 is a TI high performance Class D power amplifier with Class D efficiency and true high-end sound quality. Features advanced integrated feedback design and proprietary high-Speed gate driver error correction. The technology allows the device to maintain ultra-low distortion over the entire audio frequency band while delivering sound quality. The device is in AD modeup to 2x 315W/4R loads and 2x 150W(unclipped power) at 10% /8R load. In addition to audio performance, the TPA3255 combines efficiency with ultra-low power stage idle Loss(less than 2.5W)two advantages. Colour:Photo Color :plastic Package Contents: 1 x audio amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.