Brand Name: KGUSS Built-in Battery: No Recommended Headphone Maximum Impedance: 251-300 Ohm Output Type: LINE OUT (AUDIO OUT) Input Type: USB DSD (Direct Stream Digital): No Body Material: Metal Package: Yes Channels: 2 (2.0) Dimensions (WxHxD): 149*98*33mm Model Number: DAC-K3 Operational Amplifier Chips Model: NE5532P Signal To Noise Ratio: ≥ 105dB PCM: Yes Bluetooth: No DAC Model: CS4398 Type: Professional Amplifier WIFI: No