The PreSonus HP60 is the most flexible and advanced headphone mixing system available for professional and project recording studios as well as live sound in-ear monitoring systems.
Loaded with six independent, loud and clear headphone amplifiers, the HP60 features dual stereo inputs as well as external input, for each channel allowing you to mix between three stereo audio streams (mix A, mix B, and external input). Stereo output is also available on each channel to send line level headphone channel mixes to additional headphone amplifiers or monitor systems. Each channel features headphone level, mix control between A and B inputs, external input volume, mute and mono. The HP60 also features talkback via external XLR microphone input. 

Key Features:

• 6 independent ultra-low noise, high output headphone amplifiers (150 mW per channel)
• 2 sets of stereo inputs (A & B) with balanced TRS connectors
• Stereo external input point on each channel for "more me" with trim control
• Mix control between inputs A & B
• Talkback with external XLR microphone with control
• Direct stereo line output on each channel