low input = using RCA cables as input, the normal & better way
high input = using speaker cables, convenient for players with no rca pre-output, like OEM players, but sound quality not so good, also noise inducing sometimes
I was wondering is there any other shops selling those grills not like those sold at Brother's. Those selling at Brother is kinda thicker than what i want and hard to shape to around the corner... I want those like...