Type In-wall/In-celling 2-way coaxial Drivers 8″ (21cm) Polyglass Midbass. 1″ (25mm) AI inverted dome Tweeter Sensitivity (2.83V/1m) 90dB Frequency response (+/-3dB) 53Hz-23kHz Low frequency point (-6dB) 40Hz Nominal impedance 8Ώ Minimal impedance 6,9Ώ Recommended amplifier power 25-150W External dimensions (Ø/Depth) 93/4″x43/8″ (248x111mm) Cut-Out diameter 813/16″ (224mm) Depth from wall

43/16″ (107mm) Net weight (with front grille) 3.86lbs (1.75kg) Packing dimensions (WxDxH) 123/16″x123/16″x71/4″ (310x310x185mm) Total weight (with packaging) 4.73lbs (2.60kg)