Features: ¾” MDF Construction Double Layer Front Baffles Internal Bracing Glue Cleated Internal Joinery High Flow 35Hz Port Tuning Full Hex Cut Custom Metal Grills Chrome Plated Push Terminals 2.5” Voice Coil 100 oz Magnet Specifications: Speaker Size (In): 8 Watts RMS: 500 Watts Peak: 1500 Impedance: S1 VCD (In): 2.5 Dimensions ( cm ): 27,3 H x 60,9 W x 28,4 D