product

Content：

 3W bluetooth stereo sound systerm for bathroom mirror cabinet

1. Introduce

SL-BD12-1 is new stereo class D amplifier with bluetooth, it is 3W(8ohm) continuous average per channel digital audio power amplifier, Bluetooth circuit used JIELI chip, can pairing with any Bluetooth device. The input power was used DC12V.

2. Application

• Power speaker
• Digital product
• Computer and PC multimedia 
• Mirror light
• Powered system
• DVD player
• Furniture

3. Feature

• Input Voltage: DC12V
• Output Power: L and R channel 2*3W(MAX)
• Output impendence: 4~8Ω
• PO at 0.1% THD+N, RL = 8 Ω 1.0W (typ)
• Superior Low Noise
• Filterless and Low EMI
• High efficiency up to 90% (Class-D mode)　
• Less external components required 
• High PSRR: -80dB(217Hz)
• Over current protection, over thermal protection
• Support mute function
• Bluetooth module is a Max.4dBm( Class2 ) module.
• compliant with the Bluetooth V2.1 protocol.
• 16bit stereo DAC with Headphone Amplifier.

·         Support the Bluetooth protocol framework: HANDS-FREE PROFILE （HFP：HF）； ADVANCED AUDIO DISTRIBUTION PROFILE（A2DP：SNK）； AUDIO/VIDEO REMOTE CONTROL PROFILE（AVRCP：CT）；

·         Support the SBC decoding, support for stereo output with 16KHz/32KHz/44.1KHz/48KHz sample rate

·         Support the mobile music player switching songs, playing or pausing music

·         Support the echo cancellation and noise suppression

·         Support active connections and simple pairing

·         Wireless distance: 10M

 Test  instruction

l  Connect 12V power supply

l  Connect speaker wires to Left and Right speaker according to the above picture.

l  Open the power switch ON. Open Bluetooth function of your mobile or other Bluetooth device, click search command, you can found the Bluetooth name of the amplifier.

l  Click” device name” to bring out the dialogue box , click pair connecting…. , you can see pairing success. And then auto-connecting between amplifier and mobile.

l  Open the music or audio signal (EX: music) from your mobile or other device, you can listen melody music from the Bluetooth amplifier speaker.

The power switch OFF to close amplifie