The LH-042 is a passive stereo line-to-phono converter for connecting CD players, MP3 players, DVD players, PCs, and other line-level sources to magnetic phono inputs on mixers, amplifiers, or recording units. It features stereo RCA input and output connections and a ground terminal for reducing hum. No power supply or battery is required. The frequency range is 10–20,000 Hz, with an S/N ratio above 100 dB, 10 kOhm input impedance, 470 Ohm output impedance, and −46 dB gain. The metal housing is silver and measures 9.8 × 9.2 × 4 cm.