USB DACs are designed around simplicity, connecting directly to a laptop or desktop computer via a single USB cable with no complex setup required in most cases. This makes them one of the most accessible ways to improve computer-based audio, bypassing a computer's often mediocre built-in sound card in favour of dedicated, purpose-built conversion circuitry.

Because they draw power directly from the USB connection in most cases, USB DACs are typically compact and genuinely portable, making them easy to move between a work laptop and a home computer as needed. Many models also include a headphone output, letting you connect headphones directly for an immediate improvement in detail and clarity over a computer's built-in headphone jack.

If you're looking for the simplest possible way to improve sound quality from a computer without extensive research into compatibility or setup, a USB DAC is a genuinely practical and effective starting point.