car audio, 10"woofer, Standard product certification:SJ/T10406-93, Wired remote for gain,frequency controlling.

subwoofer

Key features:Max power:360WR.M.S.(4Ω, 1%THD):2X60W10" wooferBuilt-in professional power amplifierLuxury Rosewood box for excellent low-frequency reproductionRCA and speaker level inputVariable low-pass filterThermal protection, overload protection, short circuit protectionPhase switch:0o/180oBass boost at 40HzWired remote for gain & frequency controllingComplete wire set provided

car audio with variable low-pass filter (sw616b)