power(RMS)3W/6WImpedance8ohmsLine Voltage70-100v ACFrequency90-16KHzSensitivity90dBSpeaker Unitφ120mmOverall Dimensionsφ192x71mmHole Dimensionsφ145mmWeght0.42KGShell MaterialPP100 VOLT TRANSFORMER: FEILEP ceiling speakers feature 100 volt transformer, while an 8 ohm bypass setting allows use with regular home audio receivers and amps. The product is made to produce powerful, rich sound or quiet background music90Hz - 16kHz FREQUENCY RESPONSE: FEILEP 5" speaker system has a 1.0" tweeter cup and frequency response. This flush mount speaker is pack with exceptional 8 ohm impedance rating and impressive 100 watts power handling capabilityFLUSH MOUNT DESIGN: A pair of flush mount design midbass stereo sound speaker for simple and easy in-wall / in-ceiling installation. The product features 0.76'' high temperature voice coil to produce powerful, rich sound or quiet background music100 WATTS PEAK: FEILEPin-wall speaker system were carefully combined to reproduce sound clearly with outstanding responsiveness. It has 90 dB that can achieve wide-ranged sound performance speakers secure as well as extending the life of the productEASY INSTALLATION: The product includes overall cut-out template for easy installation The product also includes the mounting hardware for installation for precise application5-inch speaker woofer system.