Inwalltech TM6C are trimless 6.5" 2-way in-ceiling speakers, designed for easy in-wall or ceiling mounting. They feature a 6.5" Aluminum Laminated PP cone woofer with a rubber surround and a 1" soft dome tweeter with Ferro-fluid cooling and a Neodymium magnet. The speakers have a wide dispersion and a frequency response of 34Hz - 24,500Hz (+ - 9dB). They are rated for a maximum thermal rating of 125 watts and have an impedance of 8 ohms. The speakers come with grilles and cutout templates, and are backed by a lifetime warranty.