8'' 20W Ceiling Bluetooth Speaker Built-in Digital Class D Amplifier Roof Ceiling Wall Audio Speaker Dustproof Home Sound System

Specifications:
● Model: SP-BT811
● RMS Power: 20W
● Maximum Power: 30W
● Amplifier Channel: 4 Channel, RMS 4x15W amplifier board
● Amplifier Type: Digital Class D
● Speaker driver: 8"*1
● Impedance: 8Ohm
● Frequency Response: 60Hz-15KHz
● Sensitivity: 93±3 dB
● Installation: fast in-Ceiling 
● THD: <0.05% at 1kHz,1/3 rated output power
● S/N: >70 dB
● Power Supply: DC15V5A
● Material: Metal front grille + ABS
● Ceiling opening: Φ205mm
● Decorative cover size: Φ228*90mm
● Weight: 1kg

Kindly Remind: 
►  "Color: 1 pc BT speaker" is for a single bluetooth speaker;
►  "Color: 1 master + 1 slave" is for one bluetooth speaker and one passive speaker, the passive speaker connect to the bluetooth speaker to play the same music;
►  "Color: 1 master + 3 slave" is for one bluetooth speaker and 3 passive speaker, all the 3 passive speaker connect to the bluetooth speaker to play the same music.

Tips:
1. 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

2. 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.

3. The TWS function can only realize the interconnection and pairing of up to two Bluetooth speakers, it can be connected at a distance of 10 meters through the glass. If it is a thick wall, the distance is about 7-8 meters.

Package Contains:
Ceiling Speaker x1/2/3/4
Power Supply x1
Speaker Wire(Optional)