Yamaha Tyros5 visa comparison Korg PA4X demohttps://www.youtube.com/watch?v=r4ey_dWD4icCertified music teacher (00:57/1:01) choice, "Yamaha".
Korg pa4x as is built - cheap shoddy pa600 pieces https://www.youtube.com/watch?v=2XOZnYGQyasI guess you get what you paid for. Made in China with questionable quality control.
Korg Pa4X I have a new problem with my keyboard! Stops working after three days!https://www.youtube.com/watch?v=OSAHa4q3_To