Left Front Bass Speaker, Right Front Bass Speaker, Left Front Midrange Speaker, Right Front Midrange Speaker

Courtesy of AUDI OF AMERICA, LLC

R21 

Left Front Bass Speaker

R23 

Right Front Bass Speaker

R103 

Left Front Midrange Speaker

R104 

Right Front Midrange Speaker

T2fu 

2-Pin Connector, Naturally Cloudy

T2fw 

2-Pin Connector, Naturally Cloudy

T2gn 

2-Pin Connector, Brown

T2gs 

2-Pin Connector, Brown

T8j 

8-Pin Connector, Black

T8k 

8-Pin Connector, Black

T8l 

8-Pin Connector, Black

T8m 

8-Pin Connector, Black

T21a 

21-Pin Connector, Black

T21b 

21-Pin Connector, Black

T21c 

21-Pin Connector, Black

T21d 

21-Pin Connector, Black

TTIVL 

Coupling Point in Left Front Door

TTIVR 

Coupling Point in Right Front Door

TTVL 

Left Front Door Coupling Point

TTVR 

Right Front Door Coupling Point