Replacement crossover tweeter protector lamp for Parts Express, Dayton Audio, and many other crossover networks. Also known as a soft protector or tweeter limiter this device will "share" the power with your tweeter without affecting the sound or damaging the tweeter. You will notice these flashing as they work to absorb unwanted transients while they protect your tweeters. Festoon lamp case style. Dimensions: 3/8" diameter x 1-3/4" long (including tabs) 1-9/16" (without tabs). Rated at 12.8V, 2.1A.