Beyution AKB73575401 AKB73575421 Replacement Remote Control Fit for LG Soundbar NB5540A NB5541 NB2430A NB4540 NB3520A2 NB3531A NB2338A NB3740A NB3510A LSB316 NB3520ANB NB2420A NB3250A
Some knowing working model as below: NB3520A NB3520ANB NB2420A NB3250A NB 3250A. NB3520A2, NB3250A