지원되는 :Android Eclair (2.1)+
패키지 ID : com.neutroncode.mpeval
Neutron is a professional music player with high quality 32/64-bit audio rendering engine which helps to deliver to you the best possible sound quality from the Android device.

Neutron provides the sophisticated UI with advanced controls for music playback. It is not easy or another 'pop' music player, it is developed for the audiophiles and those who really in love with music. Recommended for use with Hi-Fi/High-End audio hardware.

FEATURES:
=> 32/64-bit audio processing for high quality HD audio.
=> Audio formats: MP1, MP2, MP3, OGG (Vorbis), FLAC, WMA, WMA Lossless (16-bit only), AC3, AAC, M4A, M4B, M4R, MP4, 3GP, 3G2, MOV, ALAC, APE (Monkey's Audio), WV (WavPack), MPC (MusePack), WAV, AU, AIFF, MPG/MPEG (audio only), AVI (audio only), iTunes/Windows Media inclusive except DRM-protected, OPUS.
=> Module music formats: MOD, IM, XM, S3M.
=> Voice audio format: SPEEX.
=> Streaming audio with metadata: M3U, PLS, ASX, RAM.
=> CIFS/SMB: make music source NAS, PC on LAN/INET.
=> Surround sound DSP (Ambiophonic R.A.C.E. technology).
=> Crossfeed DSP (for better stereo music listening experience with headphones).
=> Rumble Filter DSP (to protect speakers from overloading with frequencies below 20 Hz).
=> Normalization (post EQ re-mastering of tracks).
=> HQ 4-band parametric equalizer.
=> Accurate gapless playback.
=> Normalization.
=> Replay Gain.
=> HQ Resampling with 3 modes: fast, quality, audiophile.
=> Dithering (to improve audio quality by eliminating quantization in signal).
=> Crossfading.
=> Phase Inversion.
=> Balance.
=> Pitch.
=> Shuffle playback.
=> Looped playback.
=> Database/Folder modes.
=> Playlist management.
=> Queuing.
=> Lyrics (.LRC files).
=> CUE Sheet support (including built into metadata).
=> Media database grouping by: album, artist, genre.
=> Artist grouping by 'Album Artist' category.
=> Unicode tags.
=> Real-time multi-band spectrum analyzer.
=> Real-time RMS bar.
=> Master and Preamp digital volume adjustment.
=> Android widgets and Lock Screen mode.
=> Movable to external SD Card.
=> Album art (supported: PNG, JPG, BMP, incl. metadata from tags).
=> Clock mode.
=> Sleep timer: 15,30,45,60,90 minutes.
=> Wake timer.
=> Highly customizable through Settings.
=> Smart CPU/Battery consumption.
=> Platforms: ARMv7 VFP, ARMv7 NEON, x86 SSE2 (Intel)