The Mackie HM-4 is a compact 4-channel headphone amplifier designed to instantly expand your monitoring capabilities. Whether you’re recording, rehearsing, or streaming, the HM-4 allows multiple users to listen from a single audio source with clean, consistent sound.
When one headphone output isn’t enough, the Mackie HM-4 steps in as a simple and reliable solution. It takes a single stereo input and distributes it to four independent headphone outputs, maintaining signal integrity without distortion or signal loss.
Each output provides clear, balanced sound suitable for studio headphones, making it ideal for home studios, band rehearsals, podcast production, classrooms, and silent stages. Its compact, rugged design ensures dependable performance while taking up minimal space on your desk or rack.
4-channel headphone amplifier for multi-user monitoring
Splits one stereo signal into four headphone outputs
Clean, high-quality audio with minimal signal loss
Compact and lightweight — easy to place anywhere
Simple plug-and-play operation
Ideal for studios, practice rooms, podcasts & live monitoring
Reliable Mackie build quality for long-term use
Problem:
Only one or two headphone outputs available, but multiple people need to monitor the same audio.
Solution:
The Mackie HM-4 allows up to four musicians, podcasters, or performers to listen simultaneously from a single source — no need for complex mixers or multiple interfaces.
Common Use Scenarios:
Band rehearsal (all members monitor the same mix)
Podcast recording (host + guests listen together)
Home studio recording sessions
Music practice rooms & classrooms
Silent stages & worship monitoring
Streaming & content creation setups
