Reviews

A detailed Fosi Audio GR70 review covering its four-tube Class A design, 16-300 ohm impedance modes, 300 mW output, RCA pre-out, tone controls and limitations.

A complete Fosi Audio T20X MKII review covering its TPA3255 amplifier, Bluetooth 5.1, aptX HD, headphone output, pre-out, 6Ж2П tubes and power claims.

A detailed Fosi Audio MC331 review covering its DAC, Bluetooth, USB, optical and coaxial inputs, headphone output, pre-out, speaker power, remote and tubes.

A complete Fosi Audio Box X4 review covering its MM phono input, AUX input, headphone output, RCA pre-out, tone controls, replaceable tubes and limitations.

A detailed Douk Audio U10 review covering its 6A2 tubes, 1100 mW power claim, 18-600 ohm support, RCA and AUX inputs, parallel outputs and limitations.

A complete AIYIMA T9 review covering its USB, optical, coaxial, RCA and Bluetooth inputs, 6K4 tubes, speaker output, subwoofer connection and T9 Pro comparison.

A practical AIYIMA T1 Pro review covering Bluetooth 5.1, RCA input, tone controls, replaceable tubes and op-amps, subwoofer output and system limitations.

A detailed AIYIMA T20 review covering its balanced XLR and RCA connections, ECC83 tubes, 180 V tube supply, remote control, trigger outputs and limitations.

A research-based AIYIMA T3 Pro review covering its MM and MC phono inputs, replaceable op-amps, published specifications, system compatibility and limitations.

A detailed review of the Fosi Audio P3 tube preamp, including Bluetooth, headphone output, tone controls, replaceable tubes and system compatibility.