including center frequency

3 system fit perfectly into the original installation positions in the bulkhead and deliver exactly the punch that brings the music to life and makes it tangible

prevent cable and connector damage and thus facilitate space-saving installation concepts

3 circuit and automatic switch-on

Audio System Aktivsubwoofer 1 x 8" (20cm) Packaging Unit:Individually including center frequency8 inch active subwoofer in bass reflex housing with built in amplifier. Compact housing with durable carpet and protection of the subwoofer with a protective grille. Equipped with Velcro on the bottom to prevent slipping in the trunk. Technical specifications: Amplifier with 240 watts R. M. S. Aero bass port on the side. Gain adjustment, low pass 40 180 Hz. Bass EQ Variable bass boost 0 12 dB at 45 Hz and phase switch 0 180 degrees. High level input