Fosi Audio- P4 Mini Preamp Headphone Amplifier

This premium stereo preamplifier offers versatile multi-source connectivity with three RCA inputs, allowing seamless switching between CD players, DACs, streamers, and more without cable swapping. Designed for audiophile-grade performance, it features ultra-low distortion (THD+N ≤ 0.003%), high SNR (≥110dB), and exceptional crosstalk rejection for clean, detailed sound. Custom audio tuning is made easy with ±12dB bass/treble tone controls, a bypass switch for pure signal path, and three gain settings to match any amplifier. A remote-controlled motorized volume knob adds convenience, while dual RCA outputs enable flexible system integration with powered speakers, subs, or external amps. Housed in a rugged CNC-machined aluminum body with an included 12V power supply, it combines durability with sleek aesthetics. Compact and stylish, it fits effortlessly into modern home setups, offering the perfect balance of functionality, sound quality, and user-friendly design.