Product Name: 15 Watt 5 Inch Active Bluetooth Full Range Coaxial in Ceiling/Wall Mount Loudspeaker 4 PCS with Built in Class D Amplifier for PA System with Tweeter Model NO.: 315101 Certification: CE, RoHS, CCC, UL, FCC Application: Commercial, Home Speaker Material: Plastic Operation Mode: Wire / Remote Control Activity: Active Hi-Fi: Not Hi-Fi Noise: <95dB Spl (1W/1m): 93dB Freq. Response: 80Hz-18kHz Input Sensitivity: 400mv Line Input Switch-on Signal Level: >200mv Snr: 90dB Input Voltage of The Power Adapter: AC110V-240V, 50Hz/60Hz Bluetooth Wierless Range: ?10m Housing Material: ABS, Iron (Grille) Dimension: Dia 203*70mm Hole Cut-out Size: Dia 160mm Color: White(Ral 9010) Trademark: Ben & Fellows Transport Package: Carton Specification: 5 kg Origin: China HS Code: 8518290000 Product Description 15 watt 5 inch bluetooth full range coaxial in ceiling/wall mount loudspeaker 4 PCSFeatures:Superior stereo sound quality.Blending easily with any indoor decorations.Bluetooth V4.2 for higher transmission speed.Built-in high efficient multi-channel Class-D amplifier.With one line input for connection with non-Bluetooth audio device.Supports 16 bit DAC audio signal processing.15 watt ceiling speaker 4 pcs without tweeter15 watt ceiling speaker 4 pcs withtweeterSpecifications:Model315101315105(with tweeter)SPL (1W/1M)93dB93dBFreq. Response80Hz-18KHz70Hz-20KHzInput Sensitivity400MV400MVLine input switch-on signal level>200MV>200MVSNR90dB90dBInput voltage of the power adapterAC110V-240V, 50Hz/60HzAC110V-240V, 50Hz/60HzBluetooth Wierless Range≤10M≤10MHousing MaterialABS, Iron (Grille)ABS, Iron (Grille)Speaker Size5" Woofer5" Woofer, 1" TweeterWeight0.7 Kg0.7 KgDimensionDia 203*70mmDia 203*70mmHole Cut-out SizeDia 160mmDia 160mmColorWhite(RAL 9010)White(RAL 9010)