(4) PRO-M50 SR Headphones Bundle with Mackie HM-4 Headphone Amplifier

This studio bundle pairs four PRO-M50 SR closed-back headphones with a Mackie HM-4 4-way headphone amplifier, giving a full band, podcast crew, or production team their own monitoring setup from a single box. Each PRO-M50 SR features 40mm neodymium drivers with a 10 Hz to 25 kHz frequency range, delivering flat, accurate playback designed for studio monitoring rather than colored consumer tuning. Ergonomic swivel ear cups with interchangeable soft suede and leather cushions seal tight for sound isolation and minimal bleed between performers.

A detachable 51-inch coiled cable made of 100% oxygen-free copper stretches to 158 inches when extended, connecting through a gold-plated 3.5mm plug with an included gold-plated quarter-inch adapter. Each headphone ships with a hard leather carrying case for storage and transport. The Mackie HM-4 amplifier takes a single quarter-inch stereo input and distributes it to four quarter-inch headphone outputs, each with its own level control, so every person in the session dials in their preferred volume independently. Powered by the included 12V adapter, the HM-4 is compact enough to sit next to a mixer or interface without eating up desk space.