Linux
Android: Neutron Music Player – feature-laden player
Neutron is billed as “… an advanced music player with the bare-metal 32/64-bit audio engine which delivers the best possible Hi-Fi grade quality of sound. It offers high-resolution audio playback without frequency resampling and bits truncation if internal/external DAC supports it.” It’s designed for audiophiles who want Bit-Perfect output and be able to control how their music sounds.