Adopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
Adopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.
Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.
Mini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home/office desltop audio system use.
【4 Channel Stereo Headphone Amplifier】Fosi Audio PH04 is a 4 high-power stereo amplifiers with output level control for each channel, compatible with 3.5MM headphones and 6.35MM headphones(You need a 3.5MM to 6.35MM adapter). If you're tracking more than one musician at once, or if everyone in a group wants to listen to a playback, you need a monitor distribution system. The compact, flexible PH04 can power up to four pairs of headphones and up to four independent volumes.
【Upgraded Version】PH04 is designed with a power switch and 3.5MM headphone output compare with other 4 CH headphone amp. When a recording session calls for everyone's heads and ears to be in the game, the PH04 is the perfect solution and a real money-saver!
【Great Sound, Great Value】The PH04 contains 4 independent stereo high-power amplifier sections that maintain the highest sonic quality even at maximum volume levels. These ultra-low-noise operational amplifiers are included for outstanding audio performance: the same op amps found in "full-size" audio equipment.
【Ultra-Compact Design】A Simple Solution: Ultra-compact headphone amplifier system for studio and stage applications. Grab this super-compact amp during your sessions to power practically any headphones: four of them at the same time. To be exact, let up to 4 different people in your studio listen to the main mix while recording, and each listener can determine their own preferred volume level using the dedicated output level controls.
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