Hi-Fi Speakers
Q.Acoustics QI1150 - Qi65C-ST Single Stereo Ceiling Speaker
Tweeter: Swivel Tweeter Diameter: 0.75" (19mm) Subwoofer Diameter: 6.5" Load capacity (program): 15-60 W Impedance (nominal) in ohms: 8 ohms Sensitivity dB spl (2.83 V, 1 m): 86 Response (low freq.) - 3dB Hz: 75 Maximum depth of back: 84 mm Size...
https://www.bizrate.co.uk/hifispeakers/q-acoustics-qi1150-qi65c-st-single-stereo-oid6882457893.html