The HA04 4-Channel Headphone Amplifier from Live Wire is a single-input headphone amp that provides high-quality audio monitoring for up to four pairs of stereo headphones, with individual volume control. It's the ideal solution for sound reinforcement, studio, choir, and other applications where space is limited.

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Live Wire Solutions HA04 4-Channel Headphone Amplifier Specifications:

Input Impedance: 100K Ohms unbalanced
Max Input Level: +14 dBV Input
Connectors: Stereo 1/4 in. TRS phone Outputs: (4) 1/4 in. Stereo 1/4 in.
Max Gain: 20 dB/Channel
S/N Ratio: >90 dB
THD: <.008 IMD (SMPTE) <.008
Weight: 1 lb (.45 kg)
Size: 3 x 4 x 1.25 in. (8 x 10 x 3.2cm)