Unison Research SH Headphone Amplifier

Yes, it is designed to handle both. It features a dedicated line-level RCA input for analog sources like turntables or CD players, as well as a high-performance USB input for connecting directly to your computer or digital streamer.

The SH is built to be versatile. It includes an adjustable sensitivity switch that allows you to optimize the output for different headphone impedances, ensuring you get the right power delivery regardless of whether you are using sensitive in-ear monitors or demanding over-ear headphones.

Because it uses a pure Class A tube circuit with ECC83 and EL84 valves, you can expect a sound that is rich, warm, and highly detailed. It avoids the clinical, sterile sound often associated with purely digital setups, adding a touch of natural harmonic texture to your music.

Yes, the unit features dual parallel headphone outputs. This allows you to share your listening experience with another person simultaneously without needing an external splitter.

The integrated ESS Sabre DAC is quite capable, supporting high-resolution PCM files up to 384kHz and DSD files up to 128x. This ensures that your digital library is rendered with excellent clarity and precision.

The unit measures 22.5 cm by 12.6 cm by 32.2 cm and weighs 6 kg. It is a substantial piece of equipment, so you will want to ensure you have a stable, well-ventilated surface to accommodate its size and the heat generated by the tubes.