# Sennheiser HD 600 over-ear open-back Headphone - Official Thread

**URL:** <https://forum.headphones.com/t/sennheiser-hd-600-over-ear-open-back-headphone-official-thread/1043>\
**Category:** Official Headphone Model Discussion\
**Tags:** sennheiser\
**Created:** [May 3, 2018, 9:55pm UTC](https://forum.headphones.com/t/sennheiser-hd-600-over-ear-open-back-headphone-official-thread/1043 "2018-05-03T21:55:20Z")\
**Posts on this page:** 1\
**Showing post:** 64

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**Author:** ![generic](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.headphones.com/generic/32/61169_2.png) [@generic](https://forum.headphones.com/u/generic)\
**Post date:** [February 5, 2024, 9:58pm UTC](https://forum.headphones.com/t/sennheiser-hd-600-over-ear-open-back-headphone-official-thread/1043/64 "2024-02-05T21:58:10Z")

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Welcome.

I’ve tested and keep around lower cost reference setups for [this very purpose](https://forum.headphones.com/t/the-95-solutions/3667/44) [see that entire thread]. Not everyone can afford the pricey stuff and many people want to test before going hog wild. A modest system will never match a high end system, but they do sound very good. The law of diminishing returns is real – you pay a lot more for the improvements.

I currently run my HD 600 with the iFi ZenDAC (\<$200). It has an internal amplifier and enough warmth to offset the 600’s brightness. The 650/6XX is warmer, and may be too warm with this setup. See the link for other ideas.

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_[View the full topic](https://forum.headphones.com/t/sennheiser-hd-600-over-ear-open-back-headphone-official-thread/1043)._