Luxury cars deserve luxury sound quality . However, many Lexus owners realise that the factory sound system in the Lexus IS300 lacks deep bass and detailed clarity . While the cabin is extremely well insulated, the audio system often feels flat and underpowered. At LAHBA Malaysia , we recently completed a Lexus IS300 sound system upgrade in Puchong , installing the powerful MDNTOISH M10S 12 Channel DSP together with a One Air Spare Tyre Woofer to dramatically improve the li