Find the perfect speaker back box. Installation situation: concrete/brick Installation situation: suspended ceiling/ drywall Brand/model shape ceiling wall ceiling wall Dali wall series Phantom S-80 : wallboard XL (Special width) D 6154 370/102 enn Art oN IOWA fp Phantom 5-180 rectangle wallboard XL (Special width) D 8654204102 Art-Ne 10142 special Phantom 5-280 i 01495 495/102 tangle on request bees id Gm Shore +43 71 45003 34 b.