100 Watt Slim Speaker - Model 30.0200 - Thin housing fits in small spaces. Constructed of heavy-duty cast aluminum. Three sound channels provide clear tones and a long distance spread. 100 Watt. Impedance: 11 ohms at 1khz. Frequency range: 375 - 5000 Hz. Distortion: < 5%. Temperature range: -40° to 131° F. Standard bail mounting bracket permits full axis orientation. Vehicle-specific brackets for many models are also available. Field-replaceable voice coil. Works with any SHO-ME Siren. (Available separately.)