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
Age Range Description	Adult
Amazon Bestseller	#18,016 in Musical Instruments ( See Top 100 in Musical Instruments ) #92 in Recording Headphone Audio Monitors
Brand	Superlux
Built-In Media	Headphones
Cable Features	Detachable
Color	Black
Connectivity Technology	Wired
Customer Package Type	通常パッケージ
Customer Reviews	4.2 4.2 out of 5 stars (3,486)
Enclosure Material	Neoprene
Global Trade Identification Number	00510000537548
Headphone Folding Features	Over Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	Over Ear
Impedance	56 Ohms
Is Autographed	No
Item Type Name	Monitor Headphones
Item Weight	7.8 Ounces
Manufacturer	Superlux
Model Name	HD668B
Model Number	HD668B
Noise Control	Sound Isolation
Series Number	668
Theme	Video Game
Total USB 2.0 Ports	2
UPC	758762342714 796594788928 602720271489 760450562748 887481531212 510000537548 721047491148 686755997033

Superlux HD668B Semi-Open Professional Monitor Headphones

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