Mackie HM-4 4-Way Headphone Amplifier

The ultra-compact HM-4 offers a simple yet effective way to split a single stereo signal out into four pairs of headphones. Perfect for quickly splitting phones output on your soundboard for your announcers.

Features:

• Share a single stereo source with up to 4 pairs of headphones
• Individual level control for each output
• Powered via the included power supply
• Built-Like-A-Tank™ construction

Specifications:

• Max Level(1/4″ input): +22dB
• Input Type: Female 1/4″ mono, unbalanced, stereo
• Input Impedance: 10kΩ each channel, unbalanced
• Output Type: 4x Female 1/4″ mono, unbalanced, stereo
• Output Impedance: 47Ω each channel, unbalanced
• Level Control: 4x Rotating Phones Knobs
• Power Requirements: +12V DC
• Current Draw: <220 mA, max
• Display LEDs: Top power on/off
• Dimensions (HxWxD): 2.0″ x 4.3″ x 2.3″
• Weight: 0.5lb

Item Includes:

• HM-4
• Power supply