# HEDD Audio HEDDphone - Official Thread

**URL:** <https://forum.headphones.com/t/hedd-audio-heddphone-official-thread/3179>\
**Category:** Official Headphone Model Discussion\
**Created:** [May 28, 2019, 2:53pm UTC](https://forum.headphones.com/t/hedd-audio-heddphone-official-thread/3179 "2019-05-28T14:53:06Z")\
**Posts on this page:** 1\
**Showing post:** 129

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**Author:** ![Torq](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.headphones.com/torq/32/16384_2.png) [@Torq](https://forum.headphones.com/u/Torq)\
**Post date:** [January 6, 2020, 7:36pm UTC](https://forum.headphones.com/t/hedd-audio-heddphone-official-thread/3179/129 "2020-01-06T19:36:17Z")

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For those curious what the relative inefficiency of the HEDDphone means in terms of what they’re going to take to drive properly, here are their power requirements by SPL:

 ![HEDDphone - Power Requirements](https://us1.discourse-cdn.com/flex016/uploads/headphones/original/2X/4/4c759d4f5436e65e999522c9e8865b71118f6b25.png)

That’s a pretty power-hungry set of cans; in context with some other notably power-loving/requiring headphones:

 ![LCD-4 Power Requirements](https://us1.discourse-cdn.com/flex016/uploads/headphones/original/2X/b/bbae1aa90c4a9563ee71db83cfd35d13a0ef3e5e.png)

 ![Abyss AB-1266 Phi TC Power Requirements](https://us1.discourse-cdn.com/flex016/uploads/headphones/original/2X/1/1dc593dd8a23fb31441d7ecec6279db1caa3d8d5.png)

 ![Susvara Power Requiments](https://us1.discourse-cdn.com/flex016/uploads/headphones/original/2X/d/d27d8eaa7c414f50b16c1496859009be6ff19e80.png)

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