Mackie HM-400 4-Channel Headphone Amplifier Studio Subwoofers or Mac computer for making

or Mac computer for making high-quality recordings

Easy to grip and comfortable

Durable Monel alloy pistons

Immortal words have passed through its iconic grille for generations

When a SENDS ON FADER button is engaged the MASTER fader acts as the master for the corresponding bus

Mackie HM-400 4-Channel Headphone Amplifier Studio Subwoofers or Mac computer for makingPerfect for studios, practice spaces, quiet stages, and more, the HM Series offers everything you need whether it is just splitting a single signal to your band, or more complex headphone distribution. FLEXIBLE HEADPHONE AMPLIFICATION The 19 rackmount HM 400 4 Channel Headphone Amplifier offers an incredible amount of versatility and excellent sound quality in a single rack space. Perfect for professional applications including studios, Houses of