[Small USB DAC headphone amplifier with optimized HiFi audio architecture ensures High-Resolution sound quality. The portable USB DAC DS1 compatible with various systems like Android/iOS/Windows/Mac compatible with the latest devices: phones/computers/tablets/laptops/audio players etc. Wonderfully versatile when commuting in the home office or gaming DS1 adopts ESS Technology ES9038Q2M DAC Chips supporting DSD 512 and 32Bit/768kHz PCM features best-in-class specifications and high-power outputs capable of supporting the most demanding of headphones with impedance above 200Ω Low Noise Floor Clean Sound for True High-Fidelity. DS1 features abundant power with a high signal-to-noise ratio low distortion and almost 0 noise 3.5MM+4.4MM Dual Headphone Outputs both Powerful to easily drive most headphones. The traditional 3.5mm single-ended headphone output is widely compatible with most headphones and a 4.4mm balanced headphone output for a more detailed audio experience. Specifications: THD+N<0.0006% output power up to 220mw SNR>120dB Noise<1.6UV What You Get: DS1 USB DAC Headphone Amp x1 Type-C to Type-C cable x1 USB-A to USB-C Converter x1 user manual x1. Note: The new version of the DS1 headphone amp optimized the volume control which is independently controlled from the audio source device; The DS1 supports OTG functionality when an additional Lightning to USB-C cable is used]