Advent Factory OEM Dome Tweeter, Heritage, Laureate P099-20240 1" poly soft dome used in Advent Legacy III, Laureate, Heritage, Vision Size: 4-1/2" x 3-7/8", Hole cut-out: 3-1/4", Voice coil: 1" Ferro Fluid Cooled, Magnet: 12 oz , Factory AUTHORIZED service and parts. Specs: Impedance: 6 ohms, Re: 5 ohms, Power: 80 watts RMS, 120 watts max, Response: 2 kHz - 20 kHz, Sensitivity: 89 dB SUPERIOR quality, LARGEST selection, and the BEST prices!