XTB-828R 8" Car Subwoofer With Built in Amplifier | Active Subwoofer Car | 8" 20cm Active Subwoofer for Car | Car Audio Speakers & Subwoofers | Sub Woofer Speakers | Black Car Bass sub woofer speakers

8" Active Car Subwoofer - Add deeper bass to your in-car audio with the In Phase XTB-828R active subwoofer. Featuring a 20cm 8" glass fibre woven cone, passive radiator and sealed enclosure design, it is built to deliver controlled low-frequency sound in a compact enclosure. Built-In Class D Amplifier - Designed with an integrated Class D amplifier, this active subwoofer removes the need for a separate external amp. Offering 200W RMS power and up to 300W max power, providing efficient bass performance for a wide range of car audio systems. Adjustable Sound Controls - Comes with a remote and multiple tuning options including 0-180° phase switch, 0dB to +12dB bass boost, 20-50Hz subsonic filter and 50-150Hz low pass filter. Dimensions: 248 x 255 x 250mm. Weight: 8kg. Passive Radiator Design - The sealed enclosure with passive radiator helps produce smooth, controlled bass while keeping the overall cabinet compact. Ideal for adding extra low-end sound without taking up excessive boot space. In Phase - UK Brand, Decades of Car Audio Expertise - In Phase is a British car audio brand with a long track record of engineering quality speakers and subwoofers for UK drivers. Backed by a dedicated UK support team.