Product Name: HD-103 6.5'' Speaker Different Size Column Loudspeaker Model NO.: HD-103 THD: <0.005% Monitor: Lcr Certification: CE Application: Commercial, Home Speaker Material: metal Speaker System: Optional Combination Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <95dB Trademark: feilep Transport Package: Carton Specification: 130x330mm Origin: China Product Description power(RMS)40W/60W/80W/100W/120WLine Voltage70-100vFrequency200-10000KHzSensitivity90dBSpeaker Unit6.5''X2/6.5''X3/6.5''X4/6.5''X5/6.5''X6Overall Dimensions200x450mm/200x630MM/200x810MM/200*1000MM/200*1170MMShell MaterialMentalHD-F23 Mushroom Stype Lawn Speaker Water Proof For Use100 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 music200Hz - 10000kHz FREQUENCY RESPONSE: FEILEP 6.5" speaker system This flush mount speaker is pack with exceptional 8 ohm impedance rating and impressive 100 watts power handling capability.100 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 application4-inch speaker woofer system, different size contain different quantity of speakers for your choices.