Amarra Symphony Music Player includes Full Sonic Mastering EQ, Sonic Meters, Stereo Panner AND full spectrum iRC (Impulse Response Correction) functionality. Like Amarra, Symphony also improves audio playback quality from iTunes or plays audio files in Amarra Playlist mode (AIFF, WAV, MP3, ALAC, FLAC, and more). Symphony includes DSD File support, CACHE playback, and 2 licenses. (Mac OS X only.)