IKEA Friheten Corner sofa-bed (with subwoofer)". I converted the chaise longue into a subwoofer with 12 8inch woofers. | Corner sofa bed, Subwoofer, Corner sofa
Subwoofer aufstellen: Tipps für die ideale Position | Teufel Blog
We made a slim subwoofer to hide under a couch : r/DIY