Feature●This Samtronic Portable stereo amplifier adopts Texas Instruments TPA3116 high-performance low-distortion high-power Class D amplifier chip,With lowest noise, distortion, clipping,Very Quiet,Runs Extremely Cool,Easy to set up. Its a simple but powerful mini amplifier for your stereo home speaker amplifier system●Max Power Output 2.0 Channel HiFi integrated class D amp, Exclusively designed for the customers who pursue HiFi sound,Use powerful power adapter have High efficient max power output up to 200 Watt●Multi-Input ways: Bluetooth V5.0 Input, RCA analog Audio input, Optical and Coaxical digital input ,HDMI ARC Input and USB Driver player.●Aluminum Alloy Case,Can used as bookshelf speaker amp/desktop amplifier/passive speaker amp and so on●Package with a DC 21V 5A Power Adapter for free,you can upgraded the powerful power supply to get the maximum 100W x2 power outputDescription 1) Strong Practicality: The solid appearance design is simple but powerful, easy to operate, and better suitable for your tube preamp or DAC decoder 2) The Purpose Of Our Factory Is To Create A Real Hifi Sound Product: Take the real scene shooting, show the real visible appearance texture to customers,Reduce the deviation of real texture due to 3D modeling 3) Good Sound Quality: Use TPA3116 high performance and low distortion class D power amplifier chip