Flatline Acoustics 'Contractor Series' 2 way in-ceiling speaker. 4" woofer. 8 Ohm, 100w max. 145mm cutout, 65mm depth.

2 way 'Contractor Series' flush fitting ceiling speaker.
4" polypropylene woofer
13 mm silk tweeter
Recommended amplifier power: 10 - 100w
Impedance: 8 Ohm
Sensitivity: 85dB
Frequency Response: 55 - 22,000Hz
Cutout: 145mm
Mounting depth: 65mm
White, paintable grill and bezel.