JUAREZ Octavé JRK661 61-Key synthesizer
range and versatility of sound, filter, sample types, modulation, scale types, memory, effect, sequencer, amp/envelope generator
versatility of sound,
61 key is mentioned it have only 36 keys that too of low quality sound. 
تم ذكر 61 مفتاح ، يحتوي على 36 مفتاحًا فقط من الصوت المنخفض الجودة.