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BTM308-C / QCC3008 Stereo Bluetooth 5.0 Audio Module aptx-ll Module I2S Output TWS

$9.6

5-9
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$9.12

10-19
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$8.64

20-49
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$7.68

≥50
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5 Piece/Pieces (Min. Order)

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I2S
I2S . Differential

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Product Description

Overview

Product Attributes

Brand Name:: Jisda

Compatible Brand/Model:: None

Origin:: Cn(Origin)

Model Number:: Btm308-C

Brand Name:: JISDA

Place of Origin:: CN

Packaging & Delivery

Selling Units:: Piece/Pieces

Single package size:: 40cm*30cm*20cm

Single gross weight:: 1kg

Lead Time :

Quantity（Piece/Pieces）	1 ~ 1000	>1000
Est. Time（days)	7	To be negotiated

If you finish the payment today, your order will ship out within the delivery date.

BTM308-C module main chips QCC3008 , use BT625-C PCB .

BTM308-C Bluetooth audio module, using QCC3008 chip, supports A2DP, AVRCP, HFP, TWS, AAC, I2S, APTX, APTX-LL, etc., using 16M SPI FLASH memory chip.

2019.06.04: The firmware update supports both I2S digital and differential analog audio output, while eliminating the various tones that most customers dislike.

Precautions:

1. The module pins are dense and require a good welder foundation. Module pre-shipment test

2. CSR-Bluetooth module audio is differential output, you need to add op amp or amp circuit to single-ended output (left channel, right channel, audio common).

3. Only the module application data, ie the Bluetooth module specification and the Bluetooth module reference schematic, are provided.

4. Support app control, you can view Bluetooth information and modify EQ function (more features to explore by youself )

● Module model: BTM308-C

● Bluetooth chip: QCC3008, built-in 16M SPI FLASH

● Bluetooth version: 5.0

● Module size: 13.5mm x 21mm x 2.5mm

● Power supply voltage: 3.0-4.3v

Default firmware:

1. Support sbc, aac, aptx, aptx-LL decoding, no call function

2. Button description:

● MFB: power on at high level, power off at low level, and automatically enter pairing mode after power on

● PIO8: Short press to play and pause, long press for 3 seconds to enter pairing, long press for 5 seconds to clear the pairing record

● PIO1: Short press the previous song, long press the volume to decrease

● PIO0: Short press a song, long press the volume to increase

● PIO6: power amplifier control enable pin (when there is audio output, output high level 3.3V)

3. Description of composite keys:

● PIO8+PIO1: Long press for 1 second to enter search TWS mode

● PIO8+PIO0: Long press for 1 second to enter the searched TWS mode

● PIO1+PIO0: Long press for 1 second to disconnect TWS

4. Indicator light description:

● Bluetooth is not connected: LED0 and LED1 flash alternately

● Bluetooth is connected: LED1 is always on

● Bluetooth audio playback: LED1 is always on

Note: The key is valid at high level (MFB high level is 3.3V, PIO high level is 3.3V)!

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