鍵盤楽器 QuBit EON 鍵盤楽器 QuBit EON 鍵盤楽器 QuBit EON 鍵盤楽器。novation Launchkey 25 MK4 MIDIキーボード 25鍵盤NOVLKE25MK4。Native Instruments (NI) KONTROL S25 MIDIキーボード 25鍵盤。電子キーボード OTK-54N|ONETONE 国内公式サイト。EON is an envelope, oscillator, and noise source in 2 HP.https://www.qubitelectronix.com/legacyIt works perfectly well. I just have no space for it.Sold with screws & ribbon cable.Sorry I can't lower the price for now because JPY is very low...Neither returned nor exchanged.