10" Auto Untersitz Aktiv-Subwoofer Verstärker Bassbox Lautsprecher mit Kabelset
1 Subwoofer Amplifier. Bass Boost: 0to+12db. 6" 9" speaker gives A different kind of heavy bass effect. Low Pass Filter: 50-150Hz. Subsonic Filter: 20Hz. Frequency Range: 20-500Hz. We'd like to settle any problem in a friendly manner.