Product Highlights: 2-way 5-1/4" speakers (pair) treated paper composite woofer cone with butyl rubber surround soft dome textile tweeter built-in Morel Crossover Resolution (MXR) crossover handles up to 70 watts RMS (140 watts peak power) frequency response: 55-20,000 Hz sensitivity: 89.5 dB at 2.83 V mounting depth: 2-1/8"