QCC5125 Bluetooth 5.1 Stereo Audio Module DC 3.6-5.5V LDAC Lossless SBC/AAC/APTX/APTXLL/APTXHD Decoding SPDIF Analog I2S
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Specifications
- Brand Name
- DIY NOW
- Origin
- Mainland China
- High-concerned chemical
- None
- Condition
- New
- Type
- Module
- is_customized
- Yes
- Quantity
- 1
- Operating Temperature
- 0-50C
- Package
- SMD
Product Description
Features:
1.Qualcomm QCC5125 master control: Bluetooth 5.1, support a variety of high-definition audio decoding format
2.Multiple output interfaces: analog, I2S, SPDIF output, to meet different connection requirements
3.Rich key functions: volume adjustment, track switching, playback control, convenient operation
4.LED pairing indicator: double lights alternately flash pairing, single light flash means pairing success
5.Support a variety of decoding: including SBC, AAC, APTX, LDAC, etc., to provide high quality sound
Parameter:
Product name: Bluetooth 5.1 stereo audio module
Main control chip: QCC5125
Power supply voltage: DC 3.6-5.5V
Size: 3.2x4cm
Analog output (RP, RN, LP, LN), I2S output (BCK, LRCK, DATA, MCLK), SPDIF (P20)
Function keys: KCOM, PLAY, VOL+, VOL-, PREV, NEXT, active high 3V3
Key Description：
“KCOM": key common terminal
“VOL+": short press volume up, long press continuous volume up
“VOL-": short press volume down, long press continuous volume down
“NEXT": short press the next song
“PREV": short press the previous song
“PLAY": short press play/pause/answer/hang up, long press for 1 second to reject the call.
Special function description:
1. “PLAY”: long press for 3 seconds to enter pairing mode, long press for 6 seconds to clear the pairing list
2. LED light: pairing status, double lights flash alternately; pairing success, single light flash
3. No connection is always in pairing, no standby
4. Control external amplifier mute foot MUTE (sound: output high 3V3, no sound: output 0V)
4.Support SBC, AAC, APTX, APTXLL, ATPXHD, LDAC decoding
Package include:
Module x1
Pros & Cons
Pros
- Qualcomm QCC5125 chipset for reliable, high-quality Bluetooth 5.1 audio
- Wide range of supported high-definition audio decoding formats
- Multiple output interfaces for compatibility with diverse audio systems
- Built-in key controls for standalone audio adjustments
Cons
- Limited operating temperature range of 0-50°C, unsuitable for extreme environments
- No included mounting hardware or enclosure for easy installation
- Requires basic electronics knowledge to integrate into custom projects
- No power adapter included, only the specified voltage range
Common Questions
What Bluetooth version does this audio module support?
It uses the Qualcomm QCC5125 master controller and supports Bluetooth 5.1.
What high-definition audio decoding formats does this module support?
It supports LDAC lossless decoding, plus SBC, AAC, APTX, APTXLL, and APTXHD formats.
What output interfaces are available on this audio module?
It includes analog, I2S, and SPDIF output interfaces to fit different connection requirements.
What is the operating voltage range for this module?
The module operates on a DC 3.6-5.5V power supply.
What additional built-in functions does this module have?
It includes key controls for volume adjustment, track switching, and playback control.
Product information last updated on November 23, 2025