HA1+ is a broadcast-specification stereo headphone amplifier for rack use, operable in mono or stereo. It combines a main programme input, mono cue input and remote level control.

• Two XLR inputs for stereo programme or mono feed to both sides.
• Additional mono cue input on XLR.
• Front 6.35 mm headphone output and parallel rear XLR output.
• CAN headphone system for consistent levels across different impedances.