The Casio WK-1800 76-Key portable keyboard has everything: 76 velocity-sensitive keys, 232 true-to-life sounds, excellent speakers, 32-note polyphony and 130 rhythms. Your palette for creating and teaching music is virtually boundless. 10 DSP effects, Synthesizer features MIDI I/O, tune and transpose function, backlit LCD and floppy disk drive make this keyboard a great instrument. Very many and realistic piano, organ, e-piano, synth, brass, bass, drum-sounds, synthesizer possibilities, a wonderfully playing keyboard, and very comprehensive accompaniment and sequencer capabilities. For the discerning keyboard player! See the impressive specifications. Technically 100% perfect; except for the adapter: the adapter has recently been repaired with sturdy tape and can last for a long time in this way. Also, the connection of the adapter in the keyboard is not completely solid, but the cable does stay in, so it works fine. Features: - 76 touch-sensitive keys of true piano size and very good piano sound, a perfect instrument to study the piano - 32-note polyphony - 232 sounds (128 general MIDI + 64 preset synth tones + 8 drum sets) - With the Synthesizer function, you can create and save your own sounds - 10 Digital effects (Reverb, Chorus, Tremolo, Organ SP., Etc.) - 130 rhythm patterns (including 10 freely programmable) - 120 free sessions (automatic chord progressions) - Casio CHORD / Fingered Chord / Full-Range Chord automatic accompaniment - Disk drive: Internal 3.5-inch floppy drive for SMF playback (quick look): load/save data for song and pattern sequencer, registration memory and synth parameters, is compatible with Standard MIDI File (SMF) song arrangements (commercially available or from the internet) - With the QUICK PLAY feature, files can immediately be played without having to load - Large, bright and clear LCD screen with backlight (156 x 42 mm) displays selections and status of the features Tone, Rhythm, Mixer, Tempo and keyboard - The 16-channel Mixer function enables control over every MIDI channel and accompaniment part - One-Touch Preset configures the keyboard for each individual rhythm with the right tone and the right tempo - 2-song / 6-track memory (8000 tones) - MIDI In / Out connections; 16-part Multi-Timbral - Transpose and Tuning features - Registration memory for accessing and saving 20 complete keyboard settings, ideal for live - Assignable pedal jack (Sustain, Soft, Sostenuto, Rhythm Start / Stop) - Terminals: headphones (6.3 mm stereo Jack), audio line-out L/R (2 x 6.3 mm Jack), pedal input, MIDI in/out - Speakers: 2 x two-way bass reflex speakers with very good sound, and volume up to approximately 2 x as loud as an acoustic piano. - Beautiful silver looks - Dimensions: 123 x 43 x 18 cm - Super Portable, ideal for live performances, weight only 9.8 kg - Complete with power adapter and the clear manual (pdf) - In nice optical condition, see photos, with minor signs of wear - Technically 100% tested and good In short, a very elaborate professional piano/keyboard with 76 keys and everything on it. Perfect for piano studying in the living room, accompaniment keyboard, or as sound source or control keyboard in the studio.