HA 3

In-Ear Monitoring Headphone Amplifier

The RockBoard® HA 3 In-Ear Monitor Amplifier is the core of a high-quality personal two-channel monitoring system for musicians. This lightweight unit is designed for performers who remain in a relatively fixed position on stage. It provides professional sound quality and a high-volume, high-fidelity signal allowing users to clearly hear a stereo or two separate monitor signals on any stage or in any studio. It can be used with a belt clip or mounted on a microphone stand using the integrated screw-on adapter.

The HA 3 can be battery operated and features a status LED that changes color to indicate the remaining battery life. Changing batteries is very simple and quick thanks to the easy-access battery compartment. When mounted on a microphone stand, the HA3 can alternatively be powered by connecting a regular pedal power supply unit (not included) supplying center-negative 9 VDC.

The HA 3 is equipped with two combination input jacks for use with 6.35 mm stereo TRS jacks or XLR connectors. Headphones or IEM are connected to a 3.5 mm stereo jack headphone output. Simply activate the unit with the ON/OFF switch and adjust the desired volume for the headphone signal. Use the stereo/mono source switch depending on your connected audio source(s) and use the balance control to adjust the stereo panorama for your headphones.

  • RockBoard HA 3 In-Ear Monitoring Headphone Amplifier
Article No.: RBO E HA 3
$79.50

Details at a glance

  • cable-based two-channel in-ear monitor amplifier solution for vocalists, keyboarders, drummers, guitarists, bassists, and other musicians
  • ultra-compact, lightweight design, aluminum housing
  • convenient belt pack format for easy access and reliable connection to source
  • sturdy metal belt clip
  • 5/8" and 3/8" mounting adapters for alternative installation on a microphone stand
  • two separate input jacks for separate monitor signals or stereo signals
  • XLR/TRS-combo input jacks feature a locking mechanism that prevents accidental disconnection of the XLR cable
  • 3.5 mm (1/8") stereo output jack for connecting your favorite in-ear-monitor, earphones, or headphones
  • stereo input and stereo output possible
  • MONO/STEREO switch to be able to send a mono input signal to both ears
  • volume and Balance controls
  • powered by regular 9 VDC, center-negative pedal power supply (not included) or 9 V battery (not included)
  • easy-access battery compartment
  • ON/OFF switch to save battery life when not in use
  • LED power indicator
  • dimensions (L x W x H) incl. clip, jacks & knobs: 102 x 85 x 34 mm (4" x 3.4" x 1.3")
  • weight: 295 g (10.5 oz) (without battery)