Metra Electronics - 99-9107B - Audi A4/RS4/S4 2002-2008 (with Symphony or NAV radio) subwoofer the low end should feel

the low end should feel effortless rather than strained

This 8-inch loudspeaker comes in 4-ohm and 8-ohm impedance ensuring compatibility with a wide range of audio systems

The ZXI-T1 carries a peak rating near 100 watts

or color scheme

The XD000527 is car audio wire built to carry clean power for car audio systems

Metra Electronics - 99-9107B - Audi A4/RS4/S4 2002-2008 (with Symphony or NAV radio) subwoofer the low end should feelThis stereo installation kit has been engineered to help you install either a 2 tall (Single DIN) or a 4 tall (Double DIN) aftermarket radio into the original vehicle dashboard. This dash kit makes radio replacement simple and comes with a pocket that is installed below the 2 radio to fill the extra space in the radio opening, which can be used for storage. The pocket is not needed when installing a 4 tall radio. The dash kit is painted scratch