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The DacMagic XS V2 USB Digital to analogue converter (DAC) headphone amp is an instant upgrade to any computer sound output. It connects quickly and easily to any USB port and allows you to hear your favorite music and movies with every drop of detail, exactly as the artist intended. The award winning DacMagic XS V2 instantly upgrades the sound output from your laptop. Just plug it into the USB connection of your computer or Mac for incredible, detailed high resolution audio. DacMagic XS V2 delivers up to 10 times more power than most laptop soundcards. The headphone output from most laptops only outputs about 15-20mW, meaning weak bass and a lack of depth. The DacMagic XS V2 however can output a massive 105mW for proper depth and volume that will drive the very best headphone set ups hard, with detailed sound and amazing bass. When running in USB Class 2 mode, the DacMagic XS V2 can also use our dedicated Windows USB Class 2 USB driver (driver not required for Apple computers). This allows you to bypass the computer operating system poor audio path, preventing unwanted interference and re-sampling and guaranteeing professional quality audio output. You don't need to put up with bad sound from a laptop, ever again. Connections: Micro USB input, 3.5mm analogue output. Digital to analogue converter: ESS9023 24-bit DAC. Sample rates supported: USB 1.0 mode: 16 kHz 24-bit, 44.1kHz, 48kHz, 88.2kHz, 96kHz. USB 2.0 mode: 16 kHz 24-bit, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz. Output voltage: 2V RMS. Max. power consumption: 150mW. Min. headphone impedance: 12 Ohms. Frequency response: +- 0.2dB 20Hz-20kHz. THD (unweighted) less than 0.004 percent. Signal to Noise Ratio: 103 dBr (unweighted). Crosstalk: 66dB. Output impedance: 0.5 Ohms. Volume steps: 53 steps. The volume available is easily adjusted on the simple fingertip controls and an LED shows the sample rate, so you always know you are getting the right level of clarity and detail from your tracks.