D/A converter,DAC, your best Hifi partner. Draw you into natural , live and pure music time and time again.Experience it Digital-to-Analog converter, DAC, D/A converter, headphone amplifier, Speakers Impedance: 8 ohmFrequency: 60HZ-20KSensitivity: 86dBPower: 30~60 w loudspeaker, stereo set