Feel the power of music. KaiserTone contains the "Amazing Quality Sound Engine AQS-XI”. This high-speed sound engine makes use of over 64000 frequency bands to deliver the very highest quality audio. Sound Engine AQS-XI provides an equalizer, virtual surround, cross fader, gapless playback, silence detection, noise reduction, and a dynamic limiter, to allow you to listen to your favorite music at your preferred sound quality. KaiserTone plays music files stored on the iTunes library and in the high-resolution music database (HiRes DB). Supports High-resolution sources: 1) playback of high-res sources up to 768kHz/32bits 2) PCM and DoP (DSD over PCM) playback of high-res DSD files up to 12MHz/1bit. Supported audio format: - iPod Library(iTunes): audio format used by Music App of Apple - Hires DB: DSD(2.8MHz~12MHz/1bit, .dsf, .dff), FLAC(8k~384kHz/8~32bit), WAV(8k~768kHz/8~64bit), Apple Lossless(8k~384kHz), AIFF(8k~768kHz/8~32bit), AAC(8~320 Kbps), MP3(8~320 Kbps), MP4(as Sound), M4V(as Sound) * In iPod Library, Music app exclusive data (Apple Music, DRM, iCloud) can be cooperative played back with the restriction function by Music app. Compatible models: iPhone 5 or later, iPod touch 7, 6, iPad Pro, Air2, Air Playback Options: - 6 modes of continuous playback (+ Medley) - Music shuffle - Spectrum analyzer (stereo split, bandwidth resolution, persistence, etc.) - Speaker, headphones, Bluetooth, AirPlay, dock - SNS posting (iOS11/later, Twitter, facebook, ...) - Sleep Timer from 10 min. up to 8 hr. Sound Quality Effect: - Presets equalizer: Normal, Perfect, Eargasm Explosion, Rock, Rap, Metal, Country, Jazz, Acoustic, Classic, Blues, Oldies, Reggae, Opera, Speech, Bass, Mid, Treble - Graphic equalizer:(5 Band, 10 Band, 20 Band, 30 Band, Spline curve 16k, 32k) Range: -12dB ~ +12dB. (Minimum Step: 0.1, 0.5, 1.0dB) Six types of equalizers for your enjoyment: ○ Beginner: 5 Frequency bands: 100Hz-8KHz ○ Average: 10 bands: 32Hz-16KHz ○ Expert: 20 bands: 32Hz-22.62KHz ○ Master: 30 bands: 25Hz-6.3KHz ○ Spline Curve: Customizable frequency band range 　16k: 32Hz-16KHz, 32k: 16Hz-32KHz - Virtual surround sound presets - Digital Output (Max 768kHz/32bit) - DoP output v1.0/v1.1 - "Prevent the head cutting" for DAC (0 to 3.0 sec.) - Up-sampling with integral multiples settings Volume control: - Fine volume - Left/Right balance - Gain adjustments - stereo/monaural Music Selection - Playback music from the iTunes Library and the HiRes DB - by artists, albums, songs, genres, playlists(Create/Delete), Compilations, Composers, SampleRates, Formats - "Shuffle" play can be selected from the song list - "All songs" has the top of the artist/album - Songs can be searched from the artist, album, song lists - “Album artist” settings - Grid View (on iPhone5/more) - Mini Player - Add to queue Settings - Customize the design with 24 different colors - Silence detection (Automatically skip silences lasting 3 or more consecutive sec.) - Automatic dynamic limiter, noise reduction - Spectrum analyzer (stereo, bandwidth, color...) - Crossfade (0 to 20 sec.) - Pause Fadeout (0 to 1.0 sec.) - Album art view swipe action settings - Player orientation settings - Edit the music selection tags Other - 7 Virtual surround sound presets (live Reverb) - Control playback with headphone buttons and Bluetooth - Output with speakers, headphones, Bluetooth, AirPlay, docks - Album art display - Gapless playback - Auto pause on unplugging headphones / receiving a phone call - Background playback - Display lyrics when included in the song file - importation to the HirRes DB by iTunes and AirDrop, by Files app on iOS11 or later Notes : * In Hires DB, it cannot play a track with compression dff file / DRM protected file. * Only Playlist created in this app can be deleted * The download button of purchased sound source from mora is displayed only for "language:Japanese or region:Japan". mora's service is only available in Japan