Headphone: D1 includes a headphone amplifier based on NE5532 OPA2134 low-noise operational amplifier. Due to its high signal-to-noise ratio performance and 2 redundant power filter corrections, D1 achieves good low noise and low distortion performance After two levels of filtering and correction, the power supply is very stable and very low noise

USB: D1 uses the TAS1020B USB controller chip, which is directly powered by the USB bus. High-quality headphone output is suitable for a variety of headphones to meet the needs of headphone enthusiasts Its high signal-to-noise ratio and low distortion performance can only be obtained with high-priced DACs. D1 can handle digital audio signals up to 24Bit/192KHz. It is powered by USB, and it is also a high-fidelity headphone amplifier. D1 is not only suitable for computers, but also can be connected to your TV, set-top box, for Apple, TV, DVD or Blu-ray player, CD player and other devices to get good music effects. Versatility: D1 has USB and optical input, and is suitable for any audio system or earphone output. Audioengine D1 USB DAC Decoder Audio DAC Portable Headphone Amplifier 24Bit 192KHz For Audiophiles

Audioengine d1 dac 24bits