Elevate your audio experience with the Fosi Audio PH04, a 4-channel stereo headphone amplifier designed for both studio and stage applications. Compatible with 3.5mm and 6.35mm headphones (with adapter), this compact and flexible system is perfect for tracking multiple musicians simultaneously or for group listening sessions. Each of the four channels has its own volume control, ensuring personalized sound levels for every listener.
Meet the upgraded PH04, featuring a convenient power switch and a 3.5mm headphone output. This high-power amplifier delivers exceptional sound quality with ultra-low-noise operational amplifiers, the same ones found in high-end audio equipment. Whether you're recording or rehearsing, the PH04 offers an unbeatable mix of performance and value.
What’s in the box? You’ll receive the PH04 Amp, a 12V DC power adapter, and a user manual. Simplify your recordings and enjoy crystal-clear audio with the Fosi Audio PH04.
Experience the power and precision of the Fosi Audio PH04 4 Channel Headphone Amplifier, designed for both studio and stage applications. This ultra-compact, portable stereo audio amp allows multiple users to enjoy superior sound quality simultaneously.
Features:
Connectivity: Compatible with both 3.5MM and 6.35MM headphones (adapter required for 6.35MM). Perfect for wired audio setups, this amp ensures strong and reliable connections during recording or live performances. 4 Channel Output: Equipped with four independent high-power stereo amplifiers, each with its own output level control. This means up to four users can experience customized audio levels, ideal for studio work or group listening sessions. Enhanced Performance: Built with ultra-low-noise operational amplifiers, the PH04 delivers outstanding audio performance and maintains high sonic quality even at maximum volumes. It's tailored for clarity and precision. Compact Design: With its small footprint, the PH04 is easy to transport and integrate into any setup. Whether you're in a studio or on stage, this headphone amplifier offers practical, space-saving solutions. User-Friendly: Includes a power switch and a 3.5MM headphone output for straightforward operation. This upgraded model simplifies your audio monitoring needs without the need for complex setups.
What’s Included: PH04 Amplifier, 12V DC power adapter, and user manual.
Upgrade your audio experience with the Fosi Audio PH04. Perfect for individual listening preferences, this headphone amplifier makes your studio or stage sessions more productive and enjoyable.
Customer Insights
Sturdy construction and high-quality materials, including metal casing.
Ultra-compact and portable, easy to carry around.
Separate active gain on each of the 4 outputs, allowing for personalized audio levels.
Can significantly improve audio output in specific setups, like cars and modded devices.
Simple and quick setup process, no complicated installation.
Multiple inputs and outputs (3.5mm jacks) making it compatible with various headphones and devices.
Provides significant amplification, suitable for powering multiple headphones.
Significant distortion and poor audio quality at higher volumes.
Often produces a loud hum or buzzing sound, even with different audio sources and cables.
High failure rate and inconsistent quality across different units.
Susceptible to static and sound interference, particularly at low volumes.
Some units stop working or show significant deterioration after a few months of use.
Volume knobs may feel loose and unreliable, contributing to a sense of overall poor build quality.
Produces loud pops or cracks when switching on or off, which can be uncomfortable and damaging to ears.