Whirlwind Headphone – Amplifier, tabletop, 4-channel, 3.5mm & 1/4″ TRS inputs, 1/4″ TRS loop-thru, 3.5mm & 1/4″ TRS output, 23dBV gain HATT4

The Whirlwind HATT4 4-Channel Table Top Stereo Headphone Amplifier provides high-quality audio, ideal for a variety of headphones and ear buds. Each of the 4 channels is driven by a Class-A/B stereo amplifier to provide a clean, high-power audio signal with excellent fidelity and low distortion. Each channel has its own volume control knob, as well as 3.5mm and 1/4″ outputs that are wired in parallel for wide compatibility with a variety of headphones.