Is the cable detachable and how long is it?

No it isn't detachable and it's 3 m long and a straight cable (Pro has a 3 m coiled cable)

Would both Denon and Marantz mini systems, rated 30 W per channel be powerful enough to drive the 250 ohm version?

Mine is 32 ohm version, working on portable device perfectly. I think you should plug the 250 ohm version into the earphone jack of your mini system.

The bass is fairly flat compared to the source recording. These are monitor headphones. The frequency response is fantastic but getting this response to actually play out is rather challenging due to high ohm requirement. So you'll need a good source and a strong, high ohm amplifier for these phones.

Hello ,i have a musical fidelity x can headphone amp ,would it be compatable with these headphones ?

I'm not sure but you may find it hard to drive these head phones. I looked online and I could not find any headphone output rating for the item. It just says 100mW into 40 ohms....s/n ratio is low so I would say u would need a 32ohm pair to get them to be driven well. Best thing you can do is try a pair and send them back if you can not get a decent volume and detail out of them. Good luck... ; )

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beyerdynamic DT 990 Edition 600 Ohm Open-Back Stereo Hi-Fi Headphones | Open-back Design, 600 Ohm High Impedance, Premium Audiophile Sound, Made in Germany, Comfortable Velour Ear Pads

Product ID: 49915424

Details

Brand
beyerdynamic
Colour
Silver
Ear placement
Over Ear
Form factor
Over Ear
Frequency response
23000 Hz
Headphone jack
3.5 mm Jack

🎧600 Ohm High Impedance

🌬️Open-back Spacious Sound

🛋️Comfortable Velour Ear Pads

74668 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your sound game — hear every detail, feel every beat.

ALL DAY COMFORT - Premium velour ear pads and lightweight design ensure fatigue-free listening during marathon sessions.
GERMAN CRAFTSMANSHIP - Built in Germany with durable, high-quality materials promising longevity and consistent performance.
AUDIOPHILE GRADE CLARITY - Experience pristine highs and deep bass with a 5 Hz - 35 kHz frequency range tailored for discerning ears.
ENGINEERED FOR POWER USERS - 600 Ohm impedance optimized for high-output Hi-Fi systems and headphone amplifiers, delivering unmatched detail.
OPEN BACK DESIGN FOR IMMERSIVE SOUNDSTAGE - Feel like you're in the front row with an expansive, speaker-like audio experience that breathes life into every track.

The beyerdynamic DT 990 Edition 600 Ohm headphones are open-back, over-ear audiophile headphones designed for high-impedance Hi-Fi systems and headphone amplifiers. Featuring a wide frequency response (5 Hz - 35 kHz), they deliver spacious, detailed sound with powerful bass and crisp highs. Crafted in Germany with premium velour ear pads, they offer exceptional comfort and durability for extended listening sessions.

Specifications

ASIN	B0024NK34O
Age Range Description	Adult
Antenna Location	Hi-Fi Music
Audio Driver Type	Dynamic Driver
Best Sellers Rank	2,226 in Headphones & Earphones
Box Contents	3m Retractable Cable
Brand Name	beyerdynamic
Cable Features	Retractable
Carrying Case Color	Silver
Carrying Case Material	fabric or leather
Colour	Silver
Compatible Devices	Laptops, Smart Speakers, Game Consoles, TVs, Phones, Desktop-PCs
Control Method	Remote
Control Type	Volume Control
Country of Origin	Germany
Customer Package Type	Cushioned
Customer Reviews	4.4 4.4 out of 5 stars (700)
EU Spare Part Availability Duration	2 Years
Earpiece Shape	over-ear
Enclosure Material	Plastic
Frequency Range	5 Hz - 35 KHz
Frequency Response	23000 Hz
Headphone Form Factor	Over Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	Over Ear
Impedance	600 Ohms
Is Autographed	No
Item Weight	1.68 Pounds
Manufacturer	beyerdynamic
Model Name	DT 990 Premium - 600 Ohm Gray
Model Number	beyerdynamic
Network Connectivity Technology	Wired
Noise Control	None
Number of Items	1
Product Features	High fidelity
Product Warranty	2 Years
Sensitivity	96 dB
Series Number	483966
Specific Uses For Product	Listening to music
Style Name	600 Ohm
Subject Character	Thor
Theme	Video Game
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Bluetooth

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74668 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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