Replacement 15″ Bass Driver. Spade Terminals. 500W RMSPower RMS: 500W Power Max: 900W Impedance: 8 Ohm Frequency Response: 40Hz – 2kHz Sensitivity: 98dB Dimensions: 210 x 385mm Weight: 5.1Kg. Replacement 15″ bass speaker suitable for use as a replacement for faulty or damaged driver.. bass driver-speaker driver-speaker chassis