Features:Adopt STMicro TDA7498E chip to get clear audio sound, No pop, no audible noise, dead silent when nothing is playing through it.160W X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input.2.0CH audio integrated amplifier, aluminum enclosed, small size, good looks, simple functionality, and excellent sound quality;Home small Hi-Fi amp, Exclusively designed for the customers who pursue HiFi soundHighlight:Model: TDA7498EPower amplifier chip: TPA74981Power Adapter: 24V/4.5ADC Input Range: 12-24VTerminating Impedance: 2 Ohm - 8 OhmMAX Power Output: 100W x 2THD 0.04%Frequency Range: 20Hz - 20kHz (1 dB)SNR 98dBInput Sensitivity 280mVInput Mode: RCA