... fan and enhancing its sound quality with two 1.5" micro drivers and one efficient Class D ... : RMS 1.5W*2Driver: 1.5'*2Frequency response: 100Hz - 20kHzSNR: >65 dbTHD: <5% @ 1 kHzFan: 12025, 120mm, 46 CFM, 1.5WDimensions: ... to be your OEM/ODM supplier.Specifications Drivers: 1.5", 4ΩInput impedance: 10 kΩAudio input ... 220V power supply Cables Stereo audio cable: Black, 1.5 m with 3.5 mm audio jack ( ...