Ketron SD-40, Arranger Module, 668 Sounds, 368 User voices, 260 Styles, 128 Voice polyphony, Colour display, Audio Multitrack Player, Internal 16 GB SSD, Master keyboard mode, Accordion style mode, Accordion classic mode, Guitar mode with Efx (thru input), 4 Memory banks with 1024 Registration slots, Professional player, Playback of MP3, MIDI (different formats with lyrics), WAV, FLV, CDG, MP4, AVI, M4A, JPG, TXT files, DSP, 1x USB to host, 3x USB to device, SD card reader, Microphone connector, Headphone connector, Foot switch connector suitable for Ketron FS6 and FS13, MIDI IN/Out/Thru, DVI port for external monitor, Dimensions: 320 x 180 x 10 mm, Weight: 2 kg