JBL CONTROL-321C 12-IN Ceiling Coax Speaker 100706724 Compatible Fluids: Jem C-Plus Haze

Compatible Fluids: Jem C-Plus Haze Fluid only

16 mm (5/8 in) exterior grade 11-ply birch plywood

The iPad holder is attached to an arm with a clamp at the end of it

You also get lots of mounting points

JBL CONTROL-321C 12-IN Ceiling Coax Speaker 100706724 Compatible Fluids: Jem C-Plus HazeJBL CONTROL 321C 12 Inch Ceiling Coaxial Loudspeaker with HF Compression Driver Features: Consistent 90 broadband pattern control. Components: 300 mm (12 in) woofer with Kevlar reinforced cone with 50 mm (2 in) voice coil; 25 mm (1. exit) compression driver. Extraordinary clarity for speech and vocals with extended frequency response for music. 250 Watt power handling with high sensitivity provides high SPL capability. Advanced high slope crossover