FiiO Q7 DSD512 MQA Balanced Portable HiFi Desktop DAC/Headphone Amplifier with ES9038PRO/THX AAA 788+ amp Designed, Optical/USB/Coaxial /

Desktop-level power: The Q7 features desktop-level amplification with 100% more power under DC power supply in Enhanced over-ear headphone mode - up to 3000mW* of power.
^^ Desktop-grade decoding: 16-core
XMOS XU316: dual audio clocks, ultra-low latency, 768K, DSD512 and MQA full decoding;
High-end DAC ES9038PRO: 4 channels connected in parallel for one differential output, for excellent resolution ^^
Desktop-tier THX AAA 788+ amp: The THX AAA 788+ amp originally designed for desktop usage is featured in a 4-way truly balanced amplifier circuit. With five levels of mixed gain, the Q7 can effortlessly power all kinds of headphones for a pure listening experience. ^^ Desktop-caliber power supplyDual power supply modes, the Q7 can be operated in either DC or battery-powered modes. Providing endless reserves of power in order to maintain stable, high-quality audio at all times. ^^
FiiO digital control core: To further enhance sound quality, the digital and analog sections are physically separated on different boards with shield covers to achieve an extremely pure sound for a superb listening experience.
^^ Full color: The Q7 features a 1.3 -inch full-color display that lets you quickly know information such as audio format and sampling rates with just a simple glance. ^^ Desktop-level connectivityThe Q7 is equipped to handle any situation - with USB, optical and coaxial inputs; 2 single-ended ( 6.35 mm and 3.5 mm) and 2 balanced outputs ( 4.4 mm and 2.5 mm); and also LO output