The ‘HPO’ is an affordable super slim and skiff friendly no frills stereo headphone driver output for your modular synthesiser. Includes a volume control and ability to double up a mono signal into stereo. A great use for that left over 2HP in a skiff or larger system.

Give loved ones, friends and acquaintances a break from your musical ‘genius’, the HPO offers a solitary cell for focused creativity impregnable from undeserving non believers.