The RockBoard® HA 2 In-Ear Monitor Volume Controller allows quick adjustment of the monitor signal volume sent from the mixing console to the musician's actual needs. The lightweight belt-pack is designed for performers who remain relatively stationary on stage. It functions as a passive volume control and requires no batteries.

• Wired in-ear volume controller for singers, keyboard players, drummers, guitarists, bassists, and other musicians
• Extremely durable, lightweight design, aluminum housing, metal belt clip
• Capability for stereo input and stereo output
• MONO/STEREO switch allowing you to send a mono input signal to both ears
• XLR / 6.35 mm (1/4") - The TRS locking combo input jack features a locking mechanism that prevents accidental disconnection of the XLR cable
• 3.5 mm (1/8") stereo output jack for connecting your favorite headphones
• Passive volume control - no batteries required
• Convenient belt-pack form for easy access and reliable connection to the source
• Dimensions (L x W x H) including clip, jack, and knob: 30 x 33 x 86 mm
• Weight: 72 g