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Nick1986
10
May 20, 2016
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Can it drive headphones like Beyerdynamic DT 250 ohm, or any headphones with an impedance of 300-600 ohm ?
May 20, 2016
CEntrance
1140
Michael Goodman
May 20, 2016
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Yes, drives Beyers and other high impedance headphones very well!
May 20, 2016
SomeTechNoob
465
May 20, 2016
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I think the better question is what can the slim not power haha.
May 20, 2016
CEntrance
1140
Michael Goodman
May 20, 2016
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A house, a neighborhood and a small city. LOL.
May 20, 2016
Nick1986
10
May 21, 2016
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Can such a small thing be that powerful ?
May 21, 2016
SomeTechNoob
465
May 21, 2016
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The main issue is that the Class A amp, while great and has very low distortion, is very inefficient by design(all class A amps are inefficient - 15-20% is your avg efficiency). Some phones can provide the power just fine - most notably Samsung phones like the S3, S5, S6, and Note4 as far as I know. Others, like my HTC One M9 don't work at all unless you have external power, and even so I find my phone will stutter a little bit. My old Galaxy S3 can just use a male-male cable with no playback issues. The battery just drains at a faster than normal rate. It's not a SUPER fast rate of drain, but not ideal either.
//edit: New otg cable came today. It has 2 full-size usb ports and a micro usb power in. This one doesn't seem to have any stuttering issues unlike my other otg cable with just one usb port and micro usb power in. Regular male-male micro usb cable and regular otg cable causes "clicking" noises. Clicking noises are also apparent with the powered connectors if no power is fed into the cable. However, once power is fed, power can be disconnected and playback will continue as usual.
May 21, 2016
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