Used Mackie HM-400 Headphone Amp

Used Mackie HM-400 Headphone Amp in good condition. This powerful 4-channel amplifier offers flexible headphone distribution with independent input controls and three stereo outputs per channel. Delivers clean, accurate sound with up to 12 headphone outputs total—perfect for studio or live setups. Each channel includes adjustable level and EQ, plus a main stereo input and aux inputs for custom mixes. Rugged rackmount design ensures durability and professional performance in any audio environment.