In Stock. The QFO is the ultimate go anywhere, try anything, all in one DJ tool. Not only is it a powerful turntable but it is also a full battle worthy 2-channel mixer with all the professional trimmings and features you would expect a Vestax mixer to have. Essentially, the QFO is a radical new tool for performance DJs who are looking for a lot more creative options and who want to have the most advanced DJ workstation to date.