Focal 25A4 10" Access Subwoofer Bass Knobs & Accessories you can choose the converter

you can choose the converter HILO

Line Output Converter:

MSTLINK - MOTORSPORT 4-CH Input with Load Resistor 4-Out T-Harness Kit

Subwoofer Size: 10"

Rich Heritage: The legacy of high-quality sound that has been delighting listeners since 1954

Focal 25A4 10" Access Subwoofer Bass Knobs & Accessories you can choose the converter10" SINGLE COIL SUBWOOFER The Access 25 A4 sub is the ideal boost to your car audio system's bass performance. With its 25 cm (10") diameter and its 200 W RMS rated power, it is ideally suited for fitting in a sealed or bass reflex enclosure. Features: DFS cone (Dual Fiberglass Structure) dual fiberglass structure cone with butyl rubber surround 4 3 4" magnet promotes serious power handling spider decompression ventilated coil Powerful 43 4" (120 mm)