Sound System 4 Speakers Ceiling 6W and 60W Inter sound amplifier

60W Amplifier Features & Specifications 40W Subwoofer 2 Microphone Inputs, 2 Line Inputs, 2 Line Outputs Individually Volume Control Short Circuit Port Multiple Functions (FM/MP3/TUNER/BLUETOOTH) 5 Output Zones: 4-16Ω/70V-100V Ceiling Speaker (1.5 Watt - 3W - 6W) 15cm Features and SpecificationsMode:306-A Power Taps @100V:6W Power Taps @70V:3W Impedance in Black:COM Red-0.29K SPL (1W/1m):91dB Average Frequency Response:90-16K Hz Hz Cutting size: 158mm Dimensions :194*105mm Weight:0.27kg