Check the listing for details. AKAI Advance 49 USB Keyboard Controller. Color: Black, Condition: Used. Listed at 165.00 USD. The AKAI Advance 49 USB Keyboard Controller is a black electronic keyboard designed for advanced musicians. With 49 keys, this keyboard offers a compact and portable option for creating music. The Akai brand is known for producing high-quality musical instruments, making this keyboard a reliable choice for electronic keyboard players looking for a versatile and efficient controller. The USB connectivity allows for easy integration with other digital audio workstations and music production software, making it a convenient tool for both studio recording and live performances. The cosmetic condition is good , some of the black keys have some cosmetic scuffs, others then that it’s in great condition. Working condition is great, fully tested. Comes with power cord.