Translation missing: it.Mackie HM-4 – Compact 4-Way Headphone Amplifier for Simple MonitoringThe Mackie HM-4 is a compact, no-nonsense 4-way headphone amplifier designed for musicians, engineers and content creators who need quick and reliable headphone distribution. With a single stereo input feeding four independently controlled outputs, it’s an easy solution for small studios, rehearsals, podcast setups and mobile recording.Key FeaturesSimple 4-output distribution: One stereo source feeds up to four headphones—ideal for quick monitoring setups.Individual level control: Each listener can adjust their own volume independently for a comfortable monitoring experience.Rugged metal construction: Heavy-gauge steel chassis ensures durability for studio or mobile use.Plug-and-play operation: Straightforward controls and included power supply make setup effortless.Compact design: Small enough for desktop use or to fit into any portable recording bag.Customer BenefitsThe HM-4 delivers a clean, reliable headphone signal to multiple listeners without requiring a complex monitoring system. It’s perfect for small groups recording together, podcast partners, or home studio musicians who need a simple way to share a mix. Its durable build and straightforward layout make it a long-lasting, hassle-free addition to any setup.Quick SpecsInput: 1 × 1/4″ TRS stereoOutputs: 4 × 1/4″ TRS stereo headphone outsControls: Dedicated level knob per outputConstruction: Heavy-gauge steel chassisPower: 12 VDC external power supply (included)What’s in the BoxMackie HM-4 headphone amplifier12 VDC power supplyDocumentationUse Cases / Ideal ForHome studios, podcasting, rehearsal rooms, mobile recording rigs, music lessons, content creation and small tracking sessions.CompatibilityWorks with any stereo line source, audio interface or mixer using 1/4″ TRS connections. Supports all standard wired headphones.Pros & Cons✅ Pros:Extremely easy to use with no setup complexityFour independent headphone volumesCompact and durableAffordable and reliable monitoring solution⚠️ Cons:No per-channel EQ or aux mixingOnly 1/4″ outputs—users with 3.5 mm headphones may need adaptersThe Mackie HM-4 offers a simple, durable and effective way to share a stereo mix with up to four listeners—ideal for compact studios and mobile creators who need dependable monitoring — available at Soundium
