2 RCA inputs (R / L)- 2 RCA outputs (R / L)- Coaxial digital S / PDIF stereo output- Input switchable line / phono- USB bus powered- Ground connection for turntables- Power LED- USB port- Windows and Mac OSX compatible- Frequency response: 22 - 20,000 Hz, +/- 0,5 dB- Distortion: 0.05% @ 1 kHz- Signal to noise ratio: 90 dB- Input impedance: 25 kO- Maximum input level: Line: 2 dB- Phono: -36 dB- Converter: Sigma-Delta, 16-bit- Power supply: USB, 5 V 100 mA max.- Dimensions (W x H x D): 91.5 x 28.3 x 62 mm- Weight: 0.09 kg