Upgraded my HT sytem to an LG C3 OLED... it's great! :)
Bass from the sub is supplemented by a pair of buttkickers powered by a class D Monoprice amp. All the amps in this 5.2.4 setup are now class D (Fosi V3, Aiyima A07, Monoprice), and the amp inside the SVS PB3000.