1500W Pure Bass Crossover Divider Speaker Modification Upgrade Adjustable Frequency Point

Povxlum 1500W High-Power Pure Bass Crossover Subwoofer Speaker Modification Upgrade Adjustable Frequency Point

VooGenzek 2 Pieces Black DIY Home 2-Way Speaker Box Terminal Binding Post, Terminal Cover Post Round Spring Cup Connectors Subwoofer Connector

Acoustic fabric black 150 cm * 75 cm