im just taking a guess, but low level could be because the signal is not amplified, and its just 4 volts( depends on deck) and high level because the signal (takin from head unit output) is amplified. The rca's have way better sound quality....


97 V6 ATX 20,000 Miles alpine cda 9811 Alpine MRV-F357 hifonics brutus BX2000D 2 Kicker L7 15 I NEED GREY LEATHER DOOR PANELS!!!!!! Flip out monitor PS2 Spr-175a SPR-69LP SPR-57LS 60 Ft EDEAD