Sony MDR-D66SL Headphone Reviews

Manufacturer Sony Model MDR-D66SL
Headphone Type Open Circumaural Headband Type Double
Weight (g) 120 Driver Type Dynamic
Enclosure Material Plastic Isolation (dB) 0
Impedance (ohms) 40 Cable Length (cm) 150
Frequency Response (Hz) 10 - 25000  
Connector 3.5mm with 6.5mm adaptor Street Price US$90
Buy from Amazon.com  
Average reviewer scores
Bass Extension 4.0 Bass Impact 4.0
Bass Quality 5.0 Mids Quality 6.0
Highs Quality 6.0 Soundstage 7.0
Detail 6.0 Portability 9.0
Isolation 0.0 Comfort 7.0
Durability 8.0 Improvement With Amplification 4.0
Value for Money 6.0    
Overall Score 5.9 Total Reviews 1

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Reviews by our members

Review by Senior Member GokieKS on 26 Dec 04  23:00
Individual review
Bass Extension4
Bass Impact4
Bass Quality5
Mids Quality6
Highs Quality6
Detail6
Comfort7
Durability8
Value6

The "Eggos", are these are known, are headphones designed primarily for portable use, as evidenced by the short+extension cord style, the supplied carrying pouch, and the ability to be folded up into a shape resembling an egg, hence the name. For that purpose, they do a nice job:

Comfort: these are circumaural, but they're among the smallest of that category. As such, some people's ears may touch the insides of the cups, causing discomfort. For the majority of people though, the fit is fine, and these can be worn for hours on end. There is one other small issue - the headband. They have a sort of "auto-strangle" function that comes into effect if you try to put the headphones around your neck.

Isolation: there is some, though not enough to make you oblivious to the outside world (so much that you miss the train stop being announced, for example). There is virtually no sound leakage - outsiders won't hear any sound unless their ears are pressed right up against the silver plastic "button" on each side, and even then, there is very little.

Sound: these headphones are a bit of a polarizing product in terms of their acoustic signature - people usually either really like them or really dislike them. The main reason for this is the bass - it's well-defined and clear, but there's very little of it. There are mods which supposedly alleviate the problem, but bassheads would still be well-advised to look towards other solutions. The mid and highs, by comparison, are these headphones' forte - smooth, clear, and accurate.

Overall: among all the portable headphones I've tried, these are still my favorite - though I've found I still prefer earbuds and (especially) canalphones for portable use. My taste in music tend to have little emphasis on the bass, so that doesn't bother me. The only problem is that these are Japanese-market only, the only way to get one if you live elsewhere is to import. AudioCubes.com and Minidisco.com are two well-known sources which offers them, but at $90, it's not quite the great deal that it is if you buy them at Japanese prices (around 7000 yen).

Sony MDR-D66SL
Sony MDR-D66SL