Your amplifier may have a headphone socket, but if you are serious about headphone listening and have quality headphones then it is likely to be a limiting factor in the quality of your listening pleasure. The headphone output on 99% of amplifiers is designed to a very low budget on the assumption that most owners will never use it.
It is only when you listen with a dedicated headphone amplifier that you will realise what your audiophile headphones are actually capable of. We are particularly enthusiastic about Graham Slee headphone ampliers. Graham designs and makes his headphone amplifiers by hand using the highest quality components. At first they may seem expensive, but as numerous reviews have found, they offer excellent value for money in terms of the listening experience that they deliver.