Boss MRWT40 - 400 W PMPO Speaker - 2-way - 2 Pack - Black - 130 Hz to 20 kHz - 94 dB SensitivityCrossover Type: 2-wayPMPO Output Power: 400 WMinimum Frequency Response: 130 HzMaximum Frequency Response: 20 kHzSensitivity: 94 dBColor: BlackDiameter: 4Limited Warranty: 1 Year"