Question 1

how are these vs the  sentey arches gaming headset headphones usb 2.0 connector 7.1 digital surround sound (white) gs-4731

Accepted Answer

The problem with USB headphones is that they're just headphones with their own USB audio sound card.  Most onboard audio already provides virtual surround sound.  If they don't Windows10 offers Spatial sound for free, which will provide virtual surround sound.    I've been using these headphones with a ModMic5 for about a year now and they've been amazing for gaming.

Question 2

What is the sensitivity (dB/mW) of these headphones? Can my laptop computer drive them?

Accepted Answer

These are the specs direct from their website.  From my own personal experience, my laptop does just fine.  I have not amped them personally, but I have read (online) that they do improve with amping.  Also driving them from my iTouch is good.  Just switch off the EQ and they sound great.Type: Dynamic, semi-openDriver: ¨ª50 mm, neodymiumSensitivity: 98 dB SPL (1 mW)Frequency Response: 10-30,000 HzMax. Input Power: 300 mWRated Impedance: 56 ¥Ø (Copper-coated aluminum wire)

Question 3

As Semi-Open headphones, will people around you be able to hear what you are listening to? Also, will a headphone amp increase the sound quality?

Accepted Answer

To piggy-back off Seth's answer, I have these and Audio Technica models m40fs and ath-a550z, and both isolate sound more.  I can't hear my partner talking if I'm listening to music with those, but I can tell that she's talking to me when I'm wearing the HD668B.  She has also commented on how loud I listen to music while wearing them, though not with my audio-technica models.

Perhaps something others can relate to, I've tried to convince myself to give away some of my headphones (in part to justify buying new ones) but cannot make myself give these up.  They serve a purpose and provide a good listening experience.  My other headphones do to.  I can't say they are better or worse overall, but that it's a different experience which you may find more useful in certain situations.  And for the price, every audiophile should own a pair.  I'm about to replace the cable on these with a permanent one after the rubber near the ear-piece cracked.  No loss of fidelity yet, and I repaired it with shrink-wrap, but considering the price I'm using these as my first experiment to upgrade a headphone cable.

Question 4

Do they come with the extra velour pads, like the HD661s?

Accepted Answer

I just found the perfect set at amazon.com lyxpro has-30 replacement pads. $10.00 leather. Very soft and slightly deeper.Carefully stretch and roll edge over pad,put on diaphragm and roll on. May need extra set of hands. Takes patience,but worth it. So comfortable.Improves siblance highswith punchier bass. Sound stage and placement remains awesome.

ASIN	B003JOETX8
Additional Features	ios-phone-control
Age Range Description	Adult
Antenna Location	Audio Monitoring
Audio Driver Size	50 millimeters
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#38,349 in Electronics ( See Top 100 in Electronics ) #886 in On-Ear Headphones
Bluetooth Version	4
Brand Name	Superlux
Built-In Media	Adapter, Cable, Headphone, User Manual
Cable Features	Detachable
Cable Length	3 meters
Color	Black
Compatible Devices	Music Production Equipment, Laptops, Desktops, Gaming Consoles, Tablets, Telephones, Smart Speakers, Televisions, Car Audio Systems, Cellphones
Connectivity Technology	Wired
Control Method	Touch
Control Type	Media Control
Customer Reviews	4.3 4.3 out of 5 stars (3,598)
Earpiece Shape	around-ear
Enclosure Material	Metal, Plastic
Frequency Response	30000 hertz
Global Trade Identification Number	00510000537548
Hardware Interface	3.5mm Audio
Headphone Folding Features	Over Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	Over Ear
Impedance	56 ohm
Input-Device Interface	Audio jack
Item Highlight	For producers and musicians; 50mm drivers, precise semi-open imaging and detachable 1m and 3m cables suit varied setups
Item Weight	7.8 ounces
Manufacturer	Superlux
Mfr Part Number	HD668B
Model Name	HD668B
Model Number	HD668B
Noise Control	None
Noise Control Features	active_noise_cancellation
Number of Items	1
Sensitivity	98 db
Series Number	668
Specific Uses For Product	Professional
Style Name	HD668B
Total USB 2.0 Ports	2
UPC	758762342714 796594788928 602720271489 760450562748 887481531212 510000537548 721047491148 686755997033
Unit Count	1 Count
Warranty Description	1 Year Manufacturer Warrenty
Water Resistance Level	Not Water Resistant

Superlux HD668B Semi-Open Studio Headphones, 50mm Drivers, Detachable Cable

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