DS18 TMMB12.2 Troublemaker 12" Midrange Speaker 2 Ohms 3750W Max 2500W RMS Power Mid Bass Speaker Troublemaker 12" Midrange Speaker 2 OHMS. Max Power: 3750 Watts, RMS Power: 2500 Watts. 2 x 130 oz High Strength Double Ferrite Magnet. 3 Layer Conex Spider. Impedance: 2 OHMS. Sensitivity: 102 dB. Frequency Response: 53-3.3 kHz. 4" Black Aluminum 4 Layer Single Voice Coil. Overall Diameter: 12.5 in. Baffle Cutout Diameter: 11 in. Mounting Depth: 6.85 in.