Behringer MICROAMP HA400 — Ultra-Compact 4-Channel Headphone Amplifier

Overview

The Behringer MICROAMP HA400 is a remarkably compact, four-channel stereo headphone amplifier designed for shared listening without crowding your workspace. It enables up to four listeners to hear the same main mix with independently adjustable volumes, making it a practical choice for small studios, rehearsal spaces, or classroom setups.

Powered by four high-power stereo amplifiers and built around ultra-low-noise 4580 operational amplifiers, the HA400 preserves clarity and detail even at higher listening levels. A dedicated 12-volt DC adapter is included to ensure consistent performance during long sessions, so everyone can focus on the music rather than the gear.

Key Benefits

• Monitor distribution for up to four headphones, letting multiple people listen to the main mix at once without sharing headphones.
• Independent volume controls per channel allow each listener to dial in a comfortable listening level without interfering with others.
• High-quality amplification maintains clarity across the frequency spectrum, supporting accurate monitoring during tracking and playback.
• Compact, space-saving design fits on small desks, behind audio interfaces, or in portable setups for on-the-go sessions.

Practical Scenarios

In a band rehearsal or recording session, the HA400 helps everyone stay synced while each musician manages their own level. In teaching studios, students can focus on their own mix without crowding the control surface. For casual practice or streaming, shared monitoring can improve coordination with minimal setup.

What’s in the Box

• Behringer HA400 4-Channel Stereo Headphone Amplifier
• DC 12 V power adapter
• User’s manual

Versatility and Compatibility

Designed to work with a wide range of headphones, audio interfaces, mixers, and monitoring configurations, the HA400 adds flexible listening options to existing gear without needing a larger mixer or multiple dedicated headphone amps.