- 1 polypropylene dome tweeters (pair) - Flush- and surface-mount hardware included - External crossovers included - Handles up to 50 watts RMS (100 watts peak power) - Frequency response: 3200-20,000 Hz - Sensitivity: 87 dB - Top-mount depth: 7/8 Memphis Audio's Power Reference 1 Dome Tweeters feature flush- and surface-mount hardware, making it easier to put them in the right spot for maximize quality, and external crossovers, ensuring the proper frequencies are delivered. These tweeters handle up to 50W RMS and have a frequency response of 3200Hz-20kHz with a sensitivity of 87dB.