The Free Lossless Audio Codec (FLAC) is the most popular lossless format, making it a sensible choice if you want to retailer your music in lossless. Unlimited entry to HDtracks' on-line store of lossless 24-bit music wirelessly from the NAD BluOS Controller App. Convert mp3, m4a (iTunes & iPod), WMA, WAV, AIFF, AAC, FLAC, Apple [...]