Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output.

features power switch & 3.5mm headphone output: the unique power switch button design is very convenient to use. you can enjoy high-quality music with headphones through the 3.5 mm headphone output. note: rca line output and aux headphone output can be output simultaneously. 3.5mm / rca output: box x1 supports mm turntable input, 3.5mm headphone output and rca line output for powered speakers. note: you can connect a power amplifier through the 3.5mm or rca output, then connect the passive speakers. mm phono preamplifier & dc12v power adapter: output voltage level: 2v max (p-p) at 10k ohms, snr: 70db, thd: =0.08% @ 1khz and 3mv, frequency response: standard riaa. equipped with dc12v high quality power supply. what you get: box x1 phono preamp x1, 12v power adapter x1, user manual x1, 18-month global warranty, and 24-hour quick customer service.