ART's HeadAmp4 offers 1/8" (3.5mm) and 1/4" (6.3mm) inputs and outputs, as well as lower noise and distortion than previous generations of HeadAmps. Ideal for virtually any home or project studio, this amplifier easily adds additional headphone outputs to any mixer, computer audio interface, workstation or laptop, without creating additional load on the existing headphone source. Individual level controls for the four headphone outputs allow HeadAmp4 to connect to virtually any source and drive any headphone setup, including studio phones, in-ear monitors, or custom earbuds .

Features:

• 4 output channels with separate volume control
• Can connect up to 4 headphones: 4 x 6.3 mm (1/4") outputs and 4 x 3.5 mm (1/8") outputs
• 4 stereo inputs 1/4" (6.3 mm) and 1/8" (3.5 mm) wired parallel
• Can be connected to any line level source or headphone output
• Accepts mono or stereo signals
• LED indicator light "On"

Specifications:

• Maximum input level: +14 dBV
• Input impedance: 90.9 kOhms
• Maximum output level: +14 dBu
• Max Gain: 20dB
• Output impedance: 47 Ohms (each output)
• Frequency response: 20 20 kHz
• Signal to noise ratio: > 90dB (ref 0dBu)
• Total Harmonic Distortion: < 0.01%
• IMD (SMPTE): 0.01%.
• Power supply: 12 V DC (adapter included)
• Dimensions: 47 mm x 117 mm x 104 mm