4" Woofer Speaker (400-1022) Installation Faxback Doc. # 9568 1. Install the woofer unit from the enclosure front and keep it flush with the baffle surface. 2. Secure the speaker so that no air leakage is permitted. CONNECTIONS When using the 400-1296 Crossover, choose the 4000 Hz crossover point. (ALL-03/13/95)