I use this IC a lot for making music effects, and it is pretty easy to use.This product specifically:- Good price (I purchased for $13, but even at $18, it is still good)- The tube packaging is pretty convenient, glad it comes with IC sockets- When the ICs arrived, the pins were in good condition, not major issues.The PT2399 in general- Easy to use- The datasheet isn't the best, but the example circuits work great as is- The device provides roughly a x2 gain, keep this in mind if you intend to cSee full review