View Full Version : Shure E2C louder than Apple phones ?
penbat
07-10-2003, 08:04 AM
Shure E2C earphones have an impedance of 16ohms. The Apple earphones have an impedance of 32ohms. So you should get more volume out of the Shures. Yes ?
Incidentally, i found that i got less volume with the Sony EX-71 than the Apple earphones.
columbo
07-10-2003, 08:20 AM
Not necessarily a huge difference when compared in a quiet room. More likely about the same or just slightly louder. The other difference will obviously be in the seal that you get with the E2C.
The claimed efficiency is the real key when look ing at headphone volume levels. The E2C has 105db/mw@1khz, the Apple has 104db/mw @ (presumably) 1khz.
You'll then notice that the POS Sony EX71 has a claimed 100db/mw, once again presumably with a 1khz test tone. Makes you wonder why some people bother with the EX71, doesn't it? Quieter, not that isolating, sounds s**t. More cause of wonder is why then said people rant about the volume of the iPod :rolleyes:
penbat
07-10-2003, 08:24 AM
Thanks. Incidentaly, the Sony ex-71s seemed a little quieter to me than the Apples even although they are also 16ohm against Apples 32 ohm.
columbo
07-10-2003, 08:25 AM
Did you read my post? The Sony's are less efficient.
penbat
07-10-2003, 08:27 AM
Whoops thanks mr Columbo. I only scanned your first para before i replied. I have read it now.
There is a HUGE difference between sound output between the sony EX's and the Shure E2's--I dis a direct comparison, and it is really a substantial difference. There is a noticeable, but less pronounced difference between the Apple buds and the Shure's (With the Shure's being slightly louder at the same volume setting).