RockBoard HA 1 In-Ear Amplifier

RockBoard HA 1 In-Ear Monitoring Headphone Amplifier - In-Ear headphone amplifier, ideal for musicians. Connects the monitoring signal from a mixer, instrument, or amplifier to your headphones. Operation is simple: activate the unit with the volume control and adjust the desired volume for the headphone signal. The stereo/mono switch allows adjustment to the input signal.

The compact and lightweight aluminium housing features a clip for attaching to a belt. The status LED changes colour depending on the battery voltage. Two AAA batteries (not included) provide up to 12 hours of operation.

• headphone amplifier for in-ear monitoring
• ideal for singers, keyboardists, drummers, guitarists, bassists, and other musicians
• compact and lightweight design
• practical battery compartment, accessible from the outside, with clip lock
• solid clip for attaching to a belt or waistband
• battery operating time of up to 12 hours
• Volume/power control
• stereo/mono source switch, easily accessible
• status LED
• Limiting function indicated by the LED changing colour from blue to red
• aluminium housing
• Connections:
  • 1 x combo jack stereo input (6.35 mm)/XLR
  • 1 x 3.5 mm stereo headphone output
• Max output power 2 x 110 mW at 16 Ohm
• impedance <0.1 Ohm
• powered by 2 x AAA batteries (not included)
• dimensions 141 x 30 x 36 mm
• weight 111 g (including batteries)