ART HeadAmp4 The HeadAmp4 is a simple and cost-effective solution for any studio requiring up to four additional channels of headphone amplification, each with individual volume control. Ideal for virtually any home or project studio, the HeadAmp4 easily adds additional headphone outputs to any mixer, computer audio interface, workstation, iPod, media player, or laptop, without creating any additional load on the existing headphone source.

Capable of driving up to eight sets of headphones using a combination of 1/4-inch and 1/8-inch TRS connections, the HeadAmp4 can easily accommodate various headphone models with different impedances. With an additional 20dB of gain, input signals to the HeadAmp4 can be taken from any line level or amplified headphone source.

The HeadAmp4 is the ideal solution for headphone signal distribution and control in complex recording environments, assisted listening systems, educational workstations, and can also be easily used as a stereo distribution amplifier in commercial PA installations. The compact, stackable design and metal construction ensure long-term reliability and convenient installation of the HeadAmp4 for use in any studio or commercial audio application.

Key Features: 4 output channels, each with individual volume control Stereo 1/4-inch and 1/8-inch TRS inputs (wired in parallel) Can be connected to any line-level source or headphone output Four stereo 1/4-inch TRS and four 1/8-inch headphone outputs Specifications Maximum Input Level: +14dBV Input Impedance: 90.9 kΩ Maximum Output Level: +14dBu Maximum Gain: 20dB Output Impedance: 47 Ω (each output) Frequency Response: 20 Hz – 20 kHz Signal-to-Noise Ratio: > 90dB (ref 0dBu) THD Total Harmonic Distortion: