Basic Info.
Material
Fiberglass Epoxy
Flame Retardant Properties
V0
Processing Technology
Electrolytic Foil
Insulation Materials
Organic Resin
Product Description
1. Introduce
SL-BD24 is new stereo class D amplifier with Bluetooth and two keys touch switch, 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 recharging battery.
2. Application
· Power speaker
· Digital product
· Computer and PC multimedia
· Mirror light
· Powered system
· DVD player
· Furniture
3. Feature
Bluetooth:
· Input Voltage: 12V
· Output impendence: 4~8Ω
· Output power: 2*3W
· 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
Touch switch:
K1: short press "cold light - neutral light - warm light - off" state cycle; long press stepless dimming;
K2: short press switch for Bluetooth power switch on/off.
4. Specifications:
Bluetooth:
•Maximum power output: 3 watt @ 4 ohms (VDD=12V)
• Efficiency: 90% (RL=8OHM, PO=0.5W, VDD=12V)
• Frequency response: 20-20,000 Hz
• SNR: 85dB (RL=4OHM, PO=0.5W)
• THD: 0.2% (f=1KHz, CLASS D, RL=4~8OHM, PO=0.5W)
•Signal input: bluetooth
• Signal output: speaker
• Power requirements: 12V DC
• Standby current: 20 mA
• Dimensions: L 105mm x W 70mm x H 12mm
Touch switch:
l Operating Voltage: 12V
l Switching channel: 2 circuits(LED strip+bluetooth)
l Dimming method: PWM
l Touch mode: Capacitive touch
l Color temperature adjustment range: Step:cold white-neutral-warm. stepless:cold ~ white
l Key backlight: Blue or white/ Blue or Red
l Dimensions: 116*46*13mm
5. Connection Drawing
6. Test instruction
l Connect speaker wires to Left and Right speaker according to the above picture.
l Connect power wire to touch switch.
l Open the touch switch power ON.
l Press K1 of touch switch: short press "cold light - neutral light - warm light - off" state cycle; long press stepless dimming; the button backlight turns white. After short turn off, the button backlight turns back to blue color
l Short press K2 of touch switch: the Bluetooth power switch on. the button backlight turns white. After short turn off, the button backlight turns back to blue color
l Open Bluetooth function of your mobile or other Bluetooth device, click search command, you can found the Bluetooth name
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.