**We are an authorized Boss dealer** The **Boss R94** 6x9" 4-way car audio speakers features a MAX power of 500 watts with an impedance of 4-ohm. Other features include the aluminum voice coil material with a 2.5" midrange with a 1" and .5" tweeters. Upgrade your factory speakers with the Boss R94. - 500 Watt MAX per pair - Poly Injection Cone Material - Voice Coil Material: Aluminum