The JBL CSS-BB8X6 is a six-pack of 8″ backcans designed to fit the CSS8008 or CSS8018 speakers for in-ceiling installations.

Product Specifications:

Compatibility: CSS-8008 and CSS-8018 speaker, CSS-TR4/8 tile rails

Dimensions: 108 deep x 334 diameter mm (4.3 x 13.2 in)

Bolt Mount Circle: 4 points on 286 mm (11.25 in) diameter

Air Space: 4.0 liters (0.15 cu ft)

Material: Steel, zinc-plated, powder-coated

Conduit Knockouts: Five (5) knockouts:4 on sides spaced at 90 and1 at center of top panel

Attachment Points: 4 points on 286 mm (11.25 in) diameter with clip nuts for 4 screws.

Weight: 0.87 kg (2.0 lb)

Included Accessories: 4 pcs M4 x 8 mm machine screws for attaching two tiles rails to backcan