A4/Q5 Front 200
Front Speaker System for Audi A4/Q5
(A4-F81 + A4-FTW1 + A4-FTW1-C1/Q5-FTW1-C1)
A4-F81: The A4-F81 uses the ESB CS-W81 8"/20 cm component mid-woofer, with special adaptor to fit the Audi A4/Q5 original woofer housing in the front seats.
A4-FTW1: The A4-FTW1 uses the ESB CS-T31 1.2"/3.2 cm component tweeter, with special adaptor to fit the Audi A4/Q5 original tweeter housing in the front seats.
A4-FTW1-C1/Q5-FTW1-C1: ESB A4-FTW1 dedicated crossover.