Feature●First-class active subwoofer: Like all Pioneer bass speakers, this subwoofer is characterised by excellent sound and strong performance.●Strong sound: thanks to the durable woofer and the lightweight IMPP composite membrane, the Pioneer subwoofer guarantees powerful and precise bass reproduction.●BASS REFLEX CASING: The closed housing guarantees strength and stability, making it ideal for reproducing powerful rhythmic bass with up to 1400 W maximum power.●Perfectly matched: the included amplifier is compact and powerful. It has a convenient automatic on/off function and can be easily connected to the speaker outputs of the audio system. The built-in LPF (Low Pass Filter) ensures that the subwoofer receives the ideal frequency range for hard, powerful bass.●Box contents: the subwoofer/amplifier package Pioneer GXT-3730B contains 1 x subwoofer TS-A30S4, pre-installed in a closed housing, and 1 x GM-A3702 amplifier.Descriptionclass="celwidget pd_rd_w-ZdfIg pd_rd_r-Y0AAVT36D79P20V3P2YA pd_rd_wg-DeLEQ" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="qxg0rz-ehh72-dxzl46-oubpp1" data-cel-widget="aplus_feature_div">