When depth is an issue and bass is a must, look no further than this a one-of-a-kind, high quality subwoofer.Product SpecificationsNominal Diameter10Power Handling (RMS)120 WattsPower Handling (max)240 WattsImpedance4 ohmsFrequency Response25 to 400 HzSensitivity85 dB 1W/1mVoice Coil Diameter2.5Thiele-Small ParametersResonant Frequency (Fs)25 HzDC Resistance (Re)3.2 ohmsVoice Coil Inductance (Le