Defy all odds and overcome budget limitations with the best in class XED SERIES SPEAKERS that provide quality sound reproduction without breaking the bank. Harnessed with suitable power handling capability and balanced metal dome tweeters, XED SERIES SPEAKERS provides tremendous value and sound that will be music to your ears. Specifications SPEAKER SIZE - 1” SPEAKER TYPE - TWEETER OHMS (PER COIL) - 4 NUMBER OF VOICE COILS - SINGLE CONE MATERIAL - PIEZO DIAPHRAGM MATERIAL - PIEZO BASKET MATERIAL - COMPOSITE PLASTIC MAGNET TYPE - NEODYMIUM INCLUDES SPEAKER GRILL - YES SURROUND MATERIAL - TREATED CLOTH YES - EXTERNAL FREQUENCY RESPONSE (HZ): 3KHZ-20KHZ VOICE COIL DIAMETER - INCH (MM) - .75" SENSITIVITY: 97DB POWER HANDLING RMS: 20W POWER HANDLING MAX: 500W