Catalog > Speakers > Replacement Speakers > Tweeters DA PHD001 PHD001 COMPRESSION DRIVER 150W MAX Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications MODEL PHD001 TYPE PIEZO DRIVER FREQUENCY RESPONSE 3.5K-20KHz SENSITIVITY 94 +- 2dB (1W @ 1M) POWER RATING 75 Watts R.M.S/ 150 Watts peak IMPEDANCE 4/8/16 nominal SIZE 2-1/2" Additional Information Power 150W