Headphone AmplifierConnections: 2.5 mm jack connection, 3.5 mm jack connection, USBNFC: YesBluetooth: YesaptX: YesDimensions: W32 mm x H72 mm x D11.1 mmWeight: 43.7 g
Headphone amplifier with DACChannels: 2.0Sound: StereoConnections: 2.5 mm jack connection, Audio output (3.5 mm), S/PDIF coaxial, S/PDIF optical, USBFrequency Range: 20 Hz - 80 kHzNumber of Channels: 2Volume Adjustable: YesDimensions: W58 mm x H22 mm x D70 mm
Headphone AmplifierSignal-to-Noise Ratio: 75 dBConnections: 3.5 mm jack connection, USB-CFrequency Range: 20 Hz - 20 kHzDimensions: W25 mm x H58 mm x D10.4 mmWeight: 26 g