Feature:1. THX AAA technology provides highest fidelity audio and maximum dynamic range to support power-hungry, audiophile grade headphones, you can enjoy satisfyingly loud volumes and ultra-clean sound.2. Master Quality Authenticated(MQA) renderer can reproduce digital master-level sound quality from services such as Tidal or USB Audio Player Pro, and reveal every detail of the recording.3. The ES9281PRO digital-to-analog converter provides larger dynamic range and less distortion, with direct rendering of MQA files in the DAC. Enjoy the studio sound quality of Tidal Master Quality files.4. THX Onyx compatible with most USB/USB-C ports and works on Android, iOS, Windows 10, and Mac without the need for any drivers or installation.5. A built-in magnetic clasp enables quick and convenient cable management, ensuring there are no messy headphone wires dangling around.Specification:Features:THX AAA technology provides highest fidelity audio and maximum dynamic range to support power-hungry, audiophile grade headphones, you can enjoy satisfyingly loud volumes and ultra-clean sound.Master Quality Authenticated(MQA) renderer can reproduce digital master-level sound quality from services such as Tidal or USB Audio Player Pro, and reveal every detail of the recording.The ES9281PRO digital-to-analog converter provides larger dynamic range and less distortion, with direct rendering of MQA files in the DAC. Enjoy the studio sound quality of Tidal Master Quality files.THX Onyx compatible with most USB/USB-C ports and works on Android, iOS, Windows 10, and Mac without the need for any drivers or installation.A built-in magnetic clasp enables quick and convenient cable management, ensuring there are no messy headphone wires dangling around.Specification:Name: Headphone amplifierInput Type: USB-C or USB(via included adapter)Output Type: 3.5mm analog jackHeadphone Impedance Range: 22-1000 OhmOutput Impedance: 0.25 OhmDynamic Range: 118dBSound Quality(THD+N, 1kHz): -110dBOutput Power: 180mW(Per channel, 22, <1% THD+N)MQA Play: YesHeadset Mic Support: Yes(Use with iOS products is for multimedia playing only, no call or mic function)USB&DAC Configuration: ESS ES9281PROAMP Configuration: THX AAA-78Compatible Platforms: Android, iOS, Windows 10, and Mac(USB-C to Lightning adapter is not included)Packing list:1 * Headphone Amplifier1 * USB-C to USB-A AdapterPackage List:1 * Headphone Amplifier1 * USB-C to USB-A Adapter