250mm Subwoofer. Features of the Infinity REF 1040W include:
- Power Handling, RMS: 250 watts
- Power Handling, Peak: 1000 watts
- Sensitivity (2.83V/1m): 91dB
- Frequency Response: 25Hz - 400Hz
- Nominal Impedance: 4 Ohms
- Voice-Coil Diameter: 51mm
- Mounting Depth: 116mm
- Cut-Out Diameter: 232mm