If you want to easily improve the sound quality of your smartphone, tablet, notebook or PC, the AK HC2 is the right choice. The ultra-portable cable includes a dual DAC and headphone amplifier, bringing you the pleasure of high-resolution sound. Even if your smartphone doesn't have a headphone jack, the AK HC2 is the perfect solution. Connect the AK HC2 to a smartphone, tablet, Windows PC, or Mac with the USB-C connector and start benefiting from the detailed true-to-life sound. The AK HC2 is also compatible with iOS devices by using the included USB-C to Lightning adapter. Conveniently, the AK HC2 uses power from the connected playback device, so there's no need to charge it. The AK HC2 has a balanced 4.4mm headphone jack, which has the advantage of high output power with clear channel separation while minimizing noise. With the AK HC2, you get the most out of your headphones or earphones via the balanced output. With an output power of 4 Vrms, even high impedance headphones and sensitive earphones are supported. The two Cirrus Logic CS43198 MasterHIFI DACs ensure accurate signal processing and deliver finely resolved sound. Sample rates up to 32 bits and 384 kHz are supported, as well as DSD256, so music is played back in full bandwidth. With the AK HC2, digital signals from the playback device are routed through the double-shielded cable to the audio circuitry before being converted to an analog signal by the DAC. This results in a particularly faithful, noise-free sound compared to other USB DAC products. With its compact size and top performance features, the AK HC2 makes it easy to hear really good hi-fi sound anytime, anywhere.