|Driver Diameter||40 mm|
|Voice Coil||Copper-clad aluminum wire|
|Frequency Response||15 - 20,000 Hz|
|Maximum Input Power||700 mW at 1 kHz|
|Weight||190 g (6.7 oz), without cable and connector|
|Cable||3.0 m (9.8'), straight, left-side exit|
|Accessory Included||6.3 mm (1/4") snap-on adapter|
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Q:compatibility with lumia 640
A:As most smartphones have low output impedance headphone amplifier sections, a 47 ohm load should not be a problem. A headphone impedance that is about 8 times that of the amplifiers output impedance is considered ideal. This will provide maximum voltage transfer and good damping of the drivers in the headphones.
Q:Are the drivers protected inside the earcup?
A:Thank you for your inquiry. There is a perforated plastic covering to protect the driver.
A:Thank you for your inquiry. These are both closed back, studio headphones so the do offer a degree of passive isolation although we do not measure that spec. Some headphone manufacturers do provide this spec in dB, although I believe this to be a meaningless spec, because the question is "dB of isolation at what frequency".
Q:Are these headphones noise cancelling
A:No, they are not.
Q:Are the earpads on these headphones replaceable?
A:Yes. The model number for the earpads only is HP-EP.
Q:How is the bass on these headphones?
A:Thank you for your inquiry. The frequency response of this headphone is actually below what you could actually hear at 15 Hz, so they will have plenty of low end.
Q:I was wondering if these headphones would be a good choice just for listining to music from your iPod and not just mixing?
A:Thank you for your inquiry. Yes, these are fine for causal listening.