he Behringer MicroAMP HA400 is an ultra-compact 4-channel stereo headphone amplifier designed for studio and stage applications.It allows you to split a single stereo source into four headphones, giving each listener independent control over their own volume.Key Specifications

• Channels: 4 independent stereo amplifier sections with dedicated volume knobs.
• Input: 1 x 1/4" (6.3 mm) TRS stereo jack (100 kOhm input impedance).
• Outputs: 4 x 1/4" (6.3 mm) TRS stereo jacks (approx. 80 Ohm output impedance).
• Audio Quality: Equipped with ultra-low-noise 4580 operational amplifiers to maintain audio clarity.
• Power Supply: External 12-Volt DC adapter (included).
• Dimensions: Extremely compact at 103 x 47 x 57 mm.

Common Use Cases

• Studio Recording: Ideal for letting multiple musicians or band members listen to the same monitor mix during tracking.
• Podcasting & Broadcasting: Highly practical for providing up to 4 guests with their own headphones and individual volume control.
• Band Rehearsals: Perfect for bands who want to practice quietly using headphones.