Brand Name:Â ISUDAR Model Name:Â SU6901 Subwoofers Types:Â Enclosed Subwoofer Systems Out Power:Â 150W RMS Item Type:Â Subwoofers Voltage:Â 12V Item Weight:Â 4.7kg Color Name:Â Black Item Size:Â 6x9" Signal To Noise Ratio:Â >90dB Frequency Range (Hz):Â 20HZ-150HZ THD:Â <0.4% High level...