You got the driver you needed to make your punch unbeatable! The JBL Selenium D350 Driver – 200 Watts RMS is a very robust, very powerful and affordable product. It has strong mediums, suitable for competition, with a wide frequency response and well-defined timbres. Has responsiveness up to treble start, it is recommended to use with super tweeters. -Peak Power Handling: 400 -RMS Power Handling: 200 -Voice Coil Impedance: 8 Ohms -Sensitivity (dB): 110 -Frequency Response (Hz): 600Hz – 7600Hz -Horn Coupling: Four Bolt Holes -Diaphragm Material: Phenolic -Product Weight (Lbs): 8.33