customize sound bluetooth mini amplifier 2*20W with volume control

China [CN]

1. Introduce

SL-BD04 is new stereo class T amplifier with bluetooth, it is 15W(4ohm) continuous average per channel class-T digital audio power amplifier, use Tripath's proprietary power processing technology, class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency  of class-D amplifier.

 Feature

A.   Amplifier

Audiophile ”quality sound0.04% THD+N @9W 4ohm0.18% IHF-IM@1W 4ohm

     11W@4 ohm,0.1% THD+N

     6W@ 8 ohm,0.1% THD+N

High power15W@4 ohm,10% THD+N 10W@8 ohm,10% THD+N

Class-T architecture

High efficiency88% @10W 8ohm81% @ 15W 4ohm

Dynamic range=102dB

Mute and sleep Input

Integrated Gate Drive Supply  

Over-current protection

Over-temperature protection

IC package: 36-pin Power SOP

PCB material is FR4, thickness 1.6MM

The dimension is L100mm*W44mm*H33mm

     B.   Bluetooth

Compliant with Bluetooth Specification v.2.1+EDR in2.4GHz ISM band

Support protocol: A2DP, AVRCP, HFP

Support AEC function

Support SD/MMC/SDHC

Support U_HOST function.

Support  remote function  

Support MP3, WMA, APE, FLAC, WAV format

Support audio in, MIC, FM function  

Support ADC keys

Support display