1. Bluetooth 4.2 supports A2DP music playback.
2. External audio input interface: 3.5mm stereo AUX input, optical fiber input, coaxial input, red and white audio input.
3. Input power: > 14W X 2@1khz, THD < 1%.
4. Frequency response range: 50Hz ~ 25000Hz (-10db)
5. Rated impedance: 6 ohm.