bose freespace 3
http://www.alio.lt/skelbimai/bose-freespace-3/ID53291636.html
Specifications
Frequency Response (+/-3 dB): 80 Hz - 17 kHz
Frequency Range (-10 dB): 70 Hz - 19 kHz
Nominal Dispersion: 125 conical
Long-Term Power Handling: 40 W (160 W peak)
Sensitivity (SPL / 1 W @ 1 m): 87 dB SPL
Maximum SPL @ 1 m: 103 dB SPL (109 dB SPL peak)
Nominal Impedance: 8 (transformer bypassed)

Physical
Enclosure: Polypropylene (front baffle), powder-coated steel (rear enclosure)
Environmental: Indoor use only
Connectors: Three-terminal barrier strip two-terminal barrier strip (8 ohm variant). Optional accessory available for use when ceramic connector and thermal fuse are required. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm)
Suspension / Mounting: Three integrated quick-install mounting arms. Three mounting points at the rear of the enclosure for use with optional accessory pendant mount kit. Safety cable attachment: .35" (8.9 mm) diameter hole on junction box
Dimensions:
Outer flange diameter: 11.8" (300 mm)
Depth: 6.0" (153 mm)
Ceiling hole diameter: 10.5" (267 mm)
Net Weight: 8.3 lb (3.7 kg)- with transformer