Two-way wall-mounted acoustic diffuser, in ABS with steel grid. Two 3" Mid-Woofer; 1" central Tweeter. Adjustable mounting bracket included. 30 W (100V) transformer. Selectable power 40-20-10-5-2.5W. Frequency response 80 Hz - 22000 Hz; Sound pressure: max SPL @1m: 104dB; max SPL @4m: 92 dB; sensitivity 88 dB; horizontal coverage angle: 100°; vertical coverage angle: 160°. Ceramic inlet and outlet connectors with thermal protection fuse. Material: ABS with steel grid; colour: Black. Dimensions: (W x H x D) 92x399x236mm. Weight 5.0 kg. EN 54 -24 Certification 0068-CPR-057/2019.