Hi.  I'm really interested in getting the new(ish) hifiman he400's but I'm a bit concerned about ambient noise.  I'd be using these with electronic drums so there'd be non stop drumstick on plastic rubber sound.  Anybody think the design could over come that much noise?  I currently have...

Hi.  I currently have a pair of Sennheiser HD 555's I've always found to be more than serviceable.  I recently purchased a Roland TD 11 electronic drumkit (not my first electric set) and I'm having issues....   The volume output on the drums through my cans I'm finding to be inadequate.   Whats...