Hi I'm looking to spend a max of about 100.00 on a Amp for sennheiser momentum for use on ipad, could anyone recommend which one I buy, I'm unlikley to use it on my pc as the sound card is not great, does a amp for the price mentioned make much difference on the sennheiser momentum?

Hi I'm looking to spend approximate £250 to £300 on headphones, I recently brought the m4u1's which were good but had to be returned as faulty, I've considered the m4u2's as they offer passive and neutral and noise cancelling and I really like the style of the sennheiser Momentums (the more...