To say that Poweramp is a major fan favorite music player is to put it mildly; the app has over 10 million downloads, and with over 146,500 ratings, checks in at an impressive 4.5 stars (out of 5). That's probably thanks in part to an impressive feature list:

Key Features:
- plays mp3, mp4/m4a (including alac), ogg, wma*, flac, wav, ape, wv, tta, mpc, aiff (* some wma pro files may require NEON support)
- 10 band optimized graphical equalizer for all supported formats, presets, custom presets
- separate Bass and Treble adjustment
- stereo eXpansion, mono mixing, balance
- crossfade
- gapless
- replay gain
- plays songs from folders and from own library
- dynamic queue
- lyrics support, including lyrics search via musiXmatch plugin
- embed and standalone .cue files support
- support for m3u, m3u8, pls, wpl playlists
- OpenGL based cover art animation
- downloads missing album art
- 4 configurable widget types
- configurable lock screen with optional Direct Unlock
- headset support, automatic Resume on headset and/or BT connection (can be disabled in settings)
- scrobbling
- tag editor
- visual themes, including support for external/3rd party skins
- fast library scan
- high level of customization via settings

In celebration of their success, the developers are dropping the price for 48 hours (from Friday at 12PM CST to Sunday at 12PM CST), from $4.99 to $2.49 - and they "might drop that to $1.99 if [they] get enough people excited for this sale." What are you waiting for? Make the jump and at least give the trial a go. Update: they dropped it to $1.99.

[EMBED_APP]https://play.google.com/store/apps/details?id=com.maxmpz.audioplayer[/EMBED_APP]

[EMBED_APP]https://play.google.com/store/apps/details?id=com.maxmpz.audioplayer.unlock[/EMBED_APP]

(Note: our widget pulls prices from AppBrain, which is slow to update. The Market reflects the proper price.)