HIGH RESOLUTION AMPLIFIER: SMSL SA100 is TI (Texas Instruments) chip TPA3116, the use of high quality digital amplifier.

BLUETOOTH STEREO AMPLIFIER: 50W X 50W; Support Bluetooth 5.0 input and RCA input. Simple compact design, clarity sound, no audible noise.

GOOD QUALITY MATERIALS: High aluminum shell, sand Jiala Si oxidation process , screen printing and other craft laser engraving cast A-36A high volume.

CLASS D HIFI AMPLFIER : For outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, CD players, or Streaming Media players as music source.

PRODUCT DESIGN: With tone adjustment, the BASS and TREBLE can be adjusted separately. Extremely small size, more flexible placement.