The Phonic IW6510 is a high fidelity 6.5 inch (diameter) in-ceiling loudspeaker with built-in transformer. The IW6510 offers a coaxial driver encompassing a 6.5" woofer and 1" horn. The 10 Watt maximum input power handling make it ideal for moderate ceiling installations such as those found in schools, meeting rooms and gymnasiums. The IW6510 exhibits exceptionally wide bandwidth and has a frequency response of 65 Hz to 18 kHz. Perfect for background audio systems, the IW6510 can be integrated into most any ceiling material and is compact enough to fit into tight spaces.