• 5pcs BTM525 QCC5125 Audio Bluetooth Module (Default Firmware I2S Output) for APTX APTX-LL APTX-HD
  • 5pcs BTM525 QCC5125 Audio Bluetooth Module (Default Firmware I2S Output) for APTX APTX-LL APTX-HD

5pcs BTM525 QCC5125 Audio Bluetooth Module (Default Firmware I2S Output) for APTX APTX-LL APTX-HD

Availability: In stock, usually dispatched in 1 business day

  • Price:$53.96
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    Price /Unit $52.88 $51.80 $50.18 $48.02 Contact US
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5pcs BTM525 QCC5125 Audio Bluetooth Module (Default Firmware I2S Output) for APTX APTX-LL APTX-HD

Basic Parameters:

- Module model number: SJR-BTM525
- Bluetooth chip: QCC5125 and built-in 32M SPI FLASH
- Bluetooth version: Bluetooth 5.1
- Module size: 13mm x 18mm x 2.5mm
- Power supply voltage: 3.0-4.3V

Default Firmware:
- For SBC, AAC, APTX, APTX-LL and APTX-HD decoding. No call function.
- Optional I2S, SPDIF and analog output.

Button Description:
● SYS_CTRL: It will be powered on when there is high level. And it will be powered off when there is low level. It will automatically enter pairing mode when it is powered on.
● PIO2: Short press the button to play/pause. Long press for 3 seconds to enter pairing. Long press for 5 seconds to clear the pairing record.
● PIO3: Short press the button for the previous song. Long press to turn it down.
● PIO4: Short press the button for the next song. Long press to turn it up.
● PIO5: There is high level when it is connected. There is low level when it is not connected.
● PIO19: It outputs high level when there is audio. There is low level without audio.
● PIO20: SPDIF output port (only for SPDIF output firmware)

Indicator Description:
- Bluetooth is disconnected: LED0 and LED1 flash alternately
- Bluetooth is connected: LED1 stays on
- Bluetooth audio playing mode: LED1 stays on

Attention:
- To use a USB sound card, you must connect the four wires of the module: USBDP, USBDN, VCHG and GND.

Package Included:
- 5 x Bluetooth Modules


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