BleepDex
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Super-slim 2HP stereo headphone output for Eurorack
2 HP Eurorack module
The ALM Busy Circuits HPO (ALM019) is a super-slim 2HP stereo headphone driver output for Eurorack modular synthesizers. It accepts dual audio inputs for stereo operation or a single mono input (via the L jack, which doubles to both ears), and drives standard 3.5mm headphones at comfortable listening levels with a dedicated volume control. Its tiny footprint makes it ideal for filling that last 2HP gap in a skiff or larger system, providing private monitoring without an external mixer or audio interface.
Explore the interactive HPO panel on BleepDex — tap any control to learn what it does.
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