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
http://imageshock.eu/img/1823431,gtr-1st-battle-500.jpg
The only time we've ever seen Keiichi Tsuchiya this impressed is when Bobby Billard showed up at American Touge 3. Here is a video of Tsuchiya taking off for...