Fosi Audio Box X2 Phono Preamp

First owner, excellent condition, original box. Exceptional Utra-Low Noise - Converts phono signals to line-level signals with low-noise integrated circuits and high-quality components to remove low-frequency noise to ensure clear sound quality. Three Gain Options - With three switchable gain modes: 39, 42, and 45 dB, you can precisely adjust the volume and sound quality for optimal indoor use, perfect for turntables. Replaceable Tubes