6.5” Midrange Speakers (pair) 250 RMS 4ohm Impedance 6.5” Polypropylene Cone Frequency Response 130-10Khz 1.5” High temperature voice coil High Strength Ferrite Magnet Low Resonance basket SPL 93db RGB Wiring: when connecting to RGB controller Note the colours as labeled. Maximum of 12 speakers can be controller off 1 controller, More then 12 speakers will require an RGB Booster/Amplifier. Speaker = Controller Black = 12v Red = Red Green = Green Blue = Blue