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The WK-3800 includes 76 Full-Size keys, 32-note Polyphony, Touch Sensitive, Genernal MIDI, USB Port, Sequencer, 894 Tones, 182 Rhythms, DSP/Reverb/Chorus/EQ Digital Effects, SD slot, Sound,Rhythm and Song expansion by Internet download, Backlit LCD, New Advanced ZPI Chip, Larger Internal memory, CD Rom and AD-12 Power Supply Included, Pitch Bend and Modulation Wheels, Line In/Out, FDD.

Rich Advanced Tones

A total of 400 Advanced Tones are programmed with DSP tones to make them richer and more powerful. Advanced tones like Stereo Piano and Tremolo Electric Piano enhance the Piano and Electric Piano tones to create a totally new sound.

50 Drawbar Organ Tones

The keyboard includes 50 realistic drawbar organ tones. Drawbar organ tones can be controlled using nine digital drawbars. You can also select percussion or key click, and even edit the parameters of preset tone and save up to 100 original tones in user tone memory.

Flash Memory

Built-in Flash memory lets you expand your selection of tones and rhythms by downloading data from the CASIO MUSIC SITE, or by the CD-ROM that comes bundled with the keyboard. You can also store up to 200 SMF format music files for playback.

Piano Setting Button

The press of a button optimizes the keyboard setup for piano play.

166 Preset Rhythms + 16 User Rhythms

A selection of 166 rhythms includes accompaniments for everything from rock to pops and jazz.

You can also transfer accompaniment data from your computer and store up to 16 of them as user rhythms in keyboard memory.

Auto Accompaniment

Simply play a chord and the corresponding rhythm, bass and chord parts play automatically. One-touch Preset instantly recalls the most suitable tone and tempo settings to match the rhythm you are using. Big, Information-packed Display

A big built-in display shows chord names, tempo setting, keyboard information, staff notation of notes played and more for full support of all your keyboard play. A built-in backlight keeps the display easy to read, even in total darkness.

Song Memory

Record up to six parts in memory, along with their tone, volume, pan position, and other parameters for later playback. Realistic ensemble play can also be created using the Auto Accompaniment function.

General MIDI compatibility

The General MIDI tones of this keyboard let you connect to a personal computer to enjoy "desktop music" capabilities. This keyboard can be used as a desktop music input device or sound source, and it’s just the thing for playback of commercially available pre-recorded General MIDI music software.

Powerful effects

A collection of powerful effects, such as DSP, reverb, chorus, and more, give you total control over the type of sound you want. You can change the parameters of an effect to create your own, original effects. A 4-band equalizer is also included.


  • Keyboard 76 keys with touch response (OFF/1/2/3)
  • Tones 400 Advanced Tones + 200 Preset Tones + 20 Drum Sets + 100 standard user tones + 20 user tones with waves*1 + 4 user drum sets with waves*1 + 50 drawbar organ tones + 100 user drawbar organ tones (894 tones total); layer/split
  • Polyphony 32 notes maximum (10 for certain tones)
  • Drawbar Organ Function Drawbars
  • 9 (16’, 5 1/3’, 8’, 4’, 2 2/3’, 2’, 1 3/5’, 1 1/3’, 1’)
  • Percussion Second, Third
  • Click On, Off
  • Effects DSP (200 types: internal, 100 user areas) + Reverb (16 types) + Chorus (16 types) + Equalizer (10 types, 4 bands)
  • Auto Accompaniment Rhythm Patterns 182 (internal, 16 user areas*1)
  • Tempo Variable (226 steps, ♩= 30 to 255)
  • Chords 3 fingering methods (Casio Chord, Fingered, Full Range Chord)
  • Rhythm Controller Start/Stop, Intro/Ending 1 and 2, Variation/Fill-In 1 and 2, Synchro/Fill-In Next
  • Accompaniment Volume 0 to 127 (128 steps)
  • One Touch Presets Recalls settings for tone, tempo, layer on/off, and harmonize on/off in accordance with rhythm
  • Auto Harmonize 10 types: Automatic addition of notes that harmonize with melody note in accordance with specified Auto Accompaniment chords
  • Memory Function Songs 5
  • Recording Tracks 6 (2 through 6 are melody tracks)
  • Recording Methods Real-time, step
  • Memory Capacity Approximately 10,000 notes (total for 5 songs)
  • Edit Function Equipped
  • Demo Tunes 3
  • Registration Memory Number of Setups 32 (4 setups x 8 banks)
  • Memory Contents Tone, Rhythm, Tempo, Layer on/off, Split on/off, Split point, Harmonize on/off, Mixer settings (Channels 1 to 10), Effect settings, Touch Response settings, Assignable jack setting, Transpose, Tuning, Accompaniment volume setting, Pitch bend range, Auto Harmonize type MODE button setting, Synchro standby state, Mixer Hold, DSP Hold, Synthesizer Mode parameters
  • MIDI 16 multi-timbre receive, GM Level 1 standard
  • Other Functions Pitch Band Range Adjustable (12 semitones upwards and downwards)
  • Modulation Equipped
  • Transpose 49 steps (-24 semitones to +24 semitones)
  • Tuning Variable (A4 = approximately 440Hz +/- 100 cents)
  • LCD Adustable contrast
  • SMF SMF Player Flash memory storage for up to 200 files*1
  • Supported Format SMF0
  • Flash Memory Capacity 4MB*2
  • Shared Area Approximately 3.5MB*2 (waveform data, accompaniment data, SMF data)
  • Further storage of waveform, accompaniment, and SMF data becomes impossible after teh total of such data reaches approximately 3.5MB.
  • SD Memory Cards Supported SD Memory Cards 1GB or less (Cards with capacity greater than 1 GB are not supported)
  • Function Save and load of user tones, user songs, and registration data; playback of SMF; card formatting; file delete; file rename
  • Floppy Disk Drive Type 3.5" FDD
  • Formats 2DD (720KB MS-DOS format)
  • 2HD (1.44 MB MS-DOS format)
  • Functions Save and load of user tones, user songs, and registration data; playback of SMF; disk formatting; file delete; file rename
  • Terminals SD memory card slot
  • USB Port Type B
  • Sustain/Assignable Terminal Standard jack (sustain, sostenuto, soft, rhythm start/stop)
  • Headphone/Output Terminal
  • Stereo standard jack
  • Output Impedance: 200Ω
  • Output Voltage: 250mV (RMS) MAX
  • Line Out (R, L/Mono) Stereo jack x 2
  • Output Impedance: 3k Ω
  • Output Voltage: 1.5V (RMS) MAX
  • Power Supply Dual power supply system
  • Batteries 6 D-size batteries
  • Battery Life Approximately 4 hours continuous operation on alkaline batteries
  • AC Adaptor AD-12
  • Auto Power Off Turns power off approximately 6 minutes after last key operation. Enabled under battery power only, can be disabled manually
  • Speaker Output 6.1W + 6.1W
  • Power Consumption 12V…18W
  • Dimensions 48 3/16 x 16 11/16 x 6 5/16 inch
  • Weight Approximately 22.0 lbs (10.0kg) (without batteries)

Reviews on Web

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- Thomann (de)


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