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JVC HA-RX900 (HA-RX900-B)

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JVC HA-RX900 Headphones Gold HARX900

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Delivery: in United Kingdom
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JVC HA-RX900
Colour
Connection and design
Designoverhead, semi-open
full size Over-Ear
Connection typewired
Connectionmini-Jack (3.5 mm)
Jack (6.35 mm) / adapter /
Plugstraight
Cable supplysingle-sided
Cable length3.5 m
Cable typeround
Specs
Impedance64 Ohm
Frequency range7 – 26000 Hz
Sensitivity106 dB
Speaker size50 mm
Emitter typedynamic
General
Weight350 g
Added to E-CatalogJanuary 2012
P/N
HA-RX900-B

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog JVC 2026 - new arrivals, bestsellers, and the most relevant models JVC.
What characteristics should good headphones have?Guide to key features of headphones
Model overview based on user reviews  
The JVC HA-RX900 headphones are praised for their smoother frequency response, durable 3-meter wire, and high-quality construction. They have a nice aesthetic and are made with durable plastic. However, users note a lack of spatial feeling and airiness, likely due to their closed design. There are concerns about the actual frequency range, as some users report they only hear up to 17 kHz, despite the advertised 26,000 Hz. This discrepancy might be due to individual hearing or equipment limitations. Additionally, the headphones may creak when handled. Overall, while they offer good sound quality and build, there is room for improvement in acoustics.
Pros

Cons

Where is the declared 26000 Hz? There are none, they give out a maximum of 17 KHz.
22 November 2021 
Listened through the ONKYO Integra A-820RS amplifier / Nominal power (20 Hz-20 kHz), all settings by default.
Here's the device: https://audio-heritage.jp/ONKYO/amp/integraa-820rs.html
Hearing test HD: https://youtu.be/H-iCZElJ8m0
Here you can listen to each frequency separately:
https://www.youtube.com/channel/UCgTxhjNGWS8EX-i9XMNKKQw/videos
From 20 Hz without problems, but above 17 kHz, nothing can be heard.
JVC HA-RX900 headphones test:
https://reference-audio-analyzer.pro/report/hp/jvc-ha-rx900.php#rw9&gsc.tab=0
It's clear that a person hears up to 20 kHz, but these headphones don't output above 17 kHz, or maybe it's just my hearing. But there is a frequency response graph where there's a dip after 13 kHz, and after 15 kHz, all sound tends to zero.
I'll add that my hearing and equipment are fine. Of course, there's room for improvement in terms of acoustics, but that's not the point here. In short, turned on playback of frequencies from the video recording through Technics SB-C350 speakers - everything is audible from 20 to 20 kHz!
Speakers specifications:
https://www.hifiengine.com/manual_library/technics/sb-c350.shtml
Smoother frequency response. Strong wire 3 meters, durable plastic. They look nice and are simply made with high quality.
There is no feeling of space, there is not enough air, but this may be due to the fact that these headphones are closed. And I still have the desire to listen to headphones from Yamaha for 20,000 rubles, which I saw once in a tool store. I would get experience and comparison with my JVCs. They may creak, but not in the sound, but simply when you put it on or touch the case.
avignatouse JVC HA-RX900 few months
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