Mackie HM-4 Headphone Amplifier Audio>Wireless Systems>Lavalier Wireless Systems>Other The PreSonus HD9s are an

The PreSonus HD9s are an invaluable addition to your sonic toolbox

its tailored frequency response extends all the way from 10 Hz to 26 kHz

When recording outside the studio

Line Inputs: 2

Mackie HM-4 Headphone Amplifier Audio>Wireless Systems>Lavalier Wireless Systems>Other The PreSonus HD9s are anExpand Your Versatility with the Mackie HM 4 Headphone Amplifier Perfect 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: Whether you need to expand your home studio headphone monitoring capability or add robust cue mix distribution, the affordable HM Series offers the sound