Audio Components Waterproof Built In Digital Class D Amplifier Bluetooth-compatible Ceiling Speaker 10W 6inch Active LoadSpeaker for Indoor The SURPASS Bluetooth Active Ceiling Speakers are designed with digital Class D amplifier,and built-in Bluetooth receiver.It is an ideal economy choice for industrial and commercial applications in hotels,shops,home rooms and where background music is needed. Features: Built-in digital Class D amplifier Built-in Bluetooth for wireless music streaming - works with almost all Bluetooth devices(iphones, Androids, smart phones, ipads, tablets, etc). Support for Bluetooth protocols: HFPV1.5, A2DPV1.2,AVRCPV1.4,HSP1.2, GAVDP1.2, IOP DC 5V power supply with AC adapter. Full-range 6" dual-cone dynamic speaker diver. Frame-mounted spring-loaded clamps provide secure, low-noise connections and easy installation. Attractive color ABS resin finish with white grille suits any decor. Plugandplayceilingbluetoothspeakers Specifications: Model: SP-BT510 Rated Power: 1x10W 8 Amplifier Channel: 1 Channel Amplifier Type: Digital Class D Frequency Response: 120Hz-15KHz(3dB) THD: andlt 0.05 percent at 1kHz,1 or 3 rated power S or N: 70 dB Speaker Unit: 6"x1 Power Consumption: 15W Installation: In-ceiling Material: ABS enclosure,metal clamps Power Supply: DC5V Dimension: 188x76mm Cutting Hole: 170mm Tips: 1.We have EU or UK or US or AU plug for different country, please make a note to us for the plug type you need, if not, we will send according to the normally know plug of your country. 2.The Master speaker needs to be connected to the Slave speaker through a speaker cable, the newly added TWS function can realize the interconnection of up to two Bluetooth master speakers. The distance across the glass is limited to 10 meters. If it is a thick wall, the distance is limited to 7-8 meters. 3.Please note that the Bluetooth name is SURPASS, the password is 1688, if you do not need the password pairing or want to connect Bluetooth TV, intelligent voice assistant and other devices through Bluetooth, please contact customer service to change before placing an order 4.We can customize your Bluetooth name and password according to your needs. The password requires 4 digits (except 0000). If you need to modify it, please make a note after placing the order in advance or contact customer service, otherwise we will send it according to the default Bluetooth name and password. 5.CanconnecttoTV,andletTV'ssoundplayinginceilingspeakersattheAUXconnectionterminalbycable,cannotdirectlyconnecttoyourTVbybluetoothifyourTV'sbluetoothisonlyone-waylink Kindly Remind: "Color: one pair BT speaker" is for one bluetooth speaker and one passive speaker, the passive speaker connect to the bluetooth speaker to play the same music "Color: 4pcs set BT speaker" if for one bluetooth speaker and 3 passive speaker, all the 3 passive speaker connect to the bluetooth speaker to play the same music Package Contains: Ceiling Speaker x1 or 2 or 4 Power Supply x1 Speaker Wire(Optional) Please note: The grille of the ceiling speaker may be damaged by the