The iFi Audio ZEN One Signature is a DAC with an elegant design and packed feature set compatible with the majority of hi-res digital audio sources including Bluetooth. The ZEN One signature is compatible with USB S/PDIF and Bluetooth devices for exceptional sound quality no matter the source. Optical and coaxial S/PDIF supports 32-bit/192kHz PCM and MQA meaning complete decoding of hi-res digital sources for smooth analogue signal processing. The ZEN One also offers HD Bluetooth technology with extensive high-definition codec support including aptX HD aptX Adaptive LDAC and HWA/LHDC so you get premium sound from every source and with the included Bluetooth antenna youre guaranteed great range. With the featured 4mm balanced and RCA analogue outputs you can connect to the majority of amps and active speakers meaning easy integration into any setup.