I bought the FiiO E10 Olympus to pair with my Sennheiser HD 280 Pros for music production work (primarily classical music). The 280s have a sufficiently neutral response to make them useful for monitoring purposes and testing mixes on balanced 'phones. The rig they were connected to had a terrible Realtek chip inside it which was doing disastrous things to the audio channel. The FiiO E10 has rescued me from that at a very decent price. Individual instruments and tracks now leap out clearly, as does the fine detail in the recordings - the sound of a...