Sound Bar Auto Lag

My buddy, against my advice, bought a sound bar and is now complaining abt a delayed audio vs. video response

Any advice?
AVR: Marantz SR 5011
L/ R: Polk Audio 703 LSiM (Bi Amp'd)
C: Polk Audio 255c - LS
R: Def Tech
Sub: PSW 505 (12 inch)
DVD: Oppo UDP 203
TV: 2016 Sony XBR 75X850D

Comments