LD Systems HPA 6 19" headphone amplifier

LDHPA6 6-Channel Headphone Amplifier for Rack Mounting

The LD Systems HPA 6 is an extremely flexible 1U 19" headphone amplifier featuring six completely independent channels and numerous functions for a wide range of applications in the pro audio sector.

Each channel offers a 6.35 mm TRS headphone jack with a level control, a mono/stereo switch, dedicated mute buttons for left and right, as well as a 6.35 mm TRS aux input with a main/aux mix control for blending additional audio sources. Each channel is also equipped with a four-segment LED level indicator for visual level monitoring. On the back, each channel has two 6.35 mm TRS outputs, allowing for a total of up to 18 headphones to be connected.

In the main section of the HPA 6, there is a master level control with an eight-segment LED level indicator, as well as a 6.35 mm TRS input, which allows an additional audio source to be mixed globally into all channels. The back panel features the main stereo inputs in XLR and 6.35 mm jack formats, along with stereo outputs that enable multiple devices to be daisy-chained.