# \#closed-back

**URL:** https://forum.headphones.com/tag/closed-back/111.md

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## [Meze 99 Classic V2 Measurements & Official Discussion](https://forum.headphones.com/t/meze-99-classic-v2-measurements-official-discussion/26560)

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**Author:** [@Resolve](https://forum.headphones.com/u/Resolve)\
**Replies:** 27\
**Last updated:** [June 8, 2026, 11:34am UTC](https://forum.headphones.com/t/meze-99-classic-v2-measurements-official-discussion/26560 "2026-06-08T11:34:10Z")

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This is the place to discuss all things to do with the Meze 99 Classics V2: Specification Details Driver Type Dynamic Driver Size 40 mm Frequency Response 15 Hz – 25 kHz Impedance 16 Ω Sensitivity 103 …

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## [Fiio FT1 Measurements & Discussion](https://forum.headphones.com/t/fiio-ft1-measurements-discussion/24767)

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**Author:** [@Resolve](https://forum.headphones.com/u/Resolve)\
**Replies:** 37\
**Last updated:** [May 24, 2026, 8:15pm UTC](https://forum.headphones.com/t/fiio-ft1-measurements-discussion/24767 "2026-05-24T20:15:14Z")

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This is the place to discuss all things Fiio FT1 - the closed back. For the open back, head on over to the FT1 Pro thread. I have DMS’s unit here with me right now and was able to measure it, both on the B&K 5128 and …

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## [Closed back headphones](https://forum.headphones.com/t/closed-back-headphones/2784)

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**Author:** [@SenyorC](https://forum.headphones.com/u/SenyorC)\
**Replies:** 152\
**Last updated:** [April 30, 2026, 9:17am UTC](https://forum.headphones.com/t/closed-back-headphones/2784 "2026-04-30T09:17:48Z")

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Over the last 3 months or so I have spent many many hours researching headphones (and amps… and dacs… :slight\_smile: ) and while I have learned many things, one of the things I have noticed the most is the lack of closed…

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## [Sennheiser HD 820 Closed-Back Headphone - Official Thread](https://forum.headphones.com/t/sennheiser-hd-820-closed-back-headphone-official-thread/1807)

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**Author:** [@taronlissimore](https://forum.headphones.com/u/taronlissimore)\
**Replies:** 81\
**Last updated:** [January 1, 2026, 5:15pm UTC](https://forum.headphones.com/t/sennheiser-hd-820-closed-back-headphone-official-thread/1807 "2026-01-01T17:15:38Z")

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The HD 820 is supposed to be launching at the end of July and its about time it got its own thread! Has anyone had the chance to hear it at a show yet? Early impressions of it seem to be quite good.

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## [DCA Aeon Noire X Measurements & Official Discussion](https://forum.headphones.com/t/dca-aeon-noire-x-measurements-official-discussion/24663)

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**Author:** [@Resolve](https://forum.headphones.com/u/Resolve)\
**Replies:** 61\
**Last updated:** [September 17, 2025, 3:11pm UTC](https://forum.headphones.com/t/dca-aeon-noire-x-measurements-official-discussion/24663 "2025-09-17T15:11:45Z")

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This is the place to discuss all things to do with the DCA Aeon Noire X. DCA were kind enough to send us some units for testing. Check out DMS’s Aeon Noire X review: Here are the measurements: DCA Aeon …

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## [AKG K371 Impressions](https://forum.headphones.com/t/akg-k371-impressions/3827)

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**Author:** [@pwjazz](https://forum.headphones.com/u/pwjazz)\
**Replies:** 51\
**Last updated:** [August 29, 2024, 8:42pm UTC](https://forum.headphones.com/t/akg-k371-impressions/3827 "2024-08-29T20:42:22Z")

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TLDR; Comfortable, well enough built, decent isolation, easy to drive, sounds good as-is and great with EQ. Build, Accessories and Comfort Built entirely out of matte plastic and vinyl, the K371 doesn’t look or feel p…