Usually 3-5 Days. 45 Day Lowest Price - 100% Satisfaction Guarantee. There are two major advantages to the Studio Logic SL161. The instrument has a 5-octave keyboard, and responds to the player's "aftertouch", which allows you to add vibrato, dynamics or tone to certain voices after the original note has been triggered. There are also 2 split zones for layering sounds together, offering greater versatility.