NuForce Icon-2 Integrated Desktop Amplifier with 24bit/96kHZ USB DAC and high performance headphone amplifier RCA analog maximum 2Vrms USB DAC: USB 1.1, 2.0 compatible. USB native bit rate: 32, 44.1, 48, and 96 kHz, 24-bit Maximum sampling rate: 96kHz Resolution: 24-bits 3.5mm Stereo