Metra Electronics - 99-9107B - Audi A4/RS4/S4 2002-2008 (with Symphony or NAV radio) subwoofer and maximum air movement for

and maximum air movement for powerful low-end output

The ZXI-T1 carries a peak rating near 100 watts

Variable 12dB crossovers provides control to dial in perfect sound

Colored jackets make it easy to keep power

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 and maximum air movement forThis 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