This music amplifier is surprisingly powerful – able to deliver up to 2x80w into 8 ohm speakers. Since the amp is a dual BTL class-D, its very efficient. Small size, it can be easily used to many different music players for home systems and active speaker applications. Features: Audio output (L/R) Audio input interface (L/R) Power interface Specification: SNR 90(db) DR 0.01% Input impedance@ Voltage 4Ω@14V-30V 8Ω@14V-35V size 100mm*81mm*23mm 100W + 100W continuous output power at THD = 10% with RL = 6 Ω and VCC = 36 V 80W + 80W continuous output power at THD = 10% with RL = 8 Ω and VCC = 34 V Wide-range single-supply operation (14 - 39 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 25.6dB, 31.6dB, 35.1dB, and 37.6dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection Thermal overload protection Externally synchronizable ECOPACK®, environmentally-friendly package Technology support：support@sbote.com