This YD-150 is a 150 watt speaker that is
compatible with most 100 watt siren
amplifier or add 2 for a total of 300 watt
siren amplifier.
Features include 1 150watt driver with
black
ABS plastic rectangular bell.
Specification: 150W, 6 ohm, 200-5000Hz,
Weight: 11 lbs, Directivity: 10dB,
Distortion: <5%, Sound: >120dB, Size: 8" X
7" X 5".