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Specifications
1.Hi-Fi with apt-X technology2.High efficiency antenna built in
3.Noise/echo cancelling, tunable audio
4.EMC compliance
Wireless bluetooth speaker module
| Spec Item | Range | |
| General | Dimension (mm) | 24.0 x 17.8 x 2.4 mm |
| PCB material | FR4 4 layers | |
| Soldering pin type | Stamp module for SMT | |
| Antenna | Antenna built-in | |
| Firmware memory | ROM | |
| Bluetooth | Bluetooth version | Bluetooth specification: V4.1 + EDR |
| Bluetooth chipset | BlueCore® CSR8645™ | |
| Profiles supported | A2DP/AVRCP/HFP/HSP | |
| Connectivity | Multi-link - A2DP/HFP | 2 x host devices (A2DP/HFP) or 2 x headsets |
| App connection | CSR's proximity pairing & connection | |
| NFC | External NFC module available (Optional) | |
| RF/Wireless | Frequency range | 2.402GHz to 2.483GHz |
| Transmission power | Class 2 , 0 ~ +8 dBm | |
| Sensitivity | -90dBm (typical) | |
| Wireless Range | >10m ( free space) | |
| Audio | Microphone inputs | 2 x analog mic +2 x digital mic (MEMS) |
| Line-in | Support for stereo line-in | |
| Output for speaker | Stereo differential output (upto 50mW) | |
| ADC sampling | 8 KHz ~ 48 KHz, 16-bit high-quality | |
| DAC sampling | 8 KHz ~ 96 KHz, 16-bit high-quality | |
| Codec | Hi-Fi quality stereo codec | |
| Decoder support | aptX, SBC, MP3 and AAC | |
| Music Enhancements | Configurable EQ, S3D, Volume Boost | |
| Noise/Echo reduction | CVC6.0 noise and echo reduction | |
| HSP voice | HD voice, bi-directional noise reduction | |
| Electrical | Supply Voltage - Charger | 4.75~5.75V (Recommended) |
| Supply Voltage - Battery | 4.30V (Max) | |
| Supply Voltage | 3.0V~3.7V (Recommended) | |
| Power comsumption - StandBy | ~250uA (typical) @ACL link, Sniff 500ms, LED off | |
| Power comsumption - SCO | ~11 mA (typical) @SCO link, HV3 packet | |
| Power comsumption - A2DP | ~13 mA (typical) @SBC, 48KHz sampling | |
Key Features
1. Bluetooth stereo module for high-end audio products
2. High efficiency PCB antenna built in
3. Support for Hi-Fi sound quality
4. Apt-X decoder built in
5. RF transmission power level control configurable
6. Multi-band EQ tunable, S3D and Volume Boost
7. Support for voice prompt
8. Multi-languages voice prompt (optional)
9. Optional Dual-mic noise cancellation firmware version available
10. Support for USB charging enumeration and Charge management
11. Multi-point connection with 2 source devices
12. Bluetooth multi-connection A2DP adapter - 1Tx/2Rx and/or 2Tx/1Rx - combined by yourself
13. Functional, RF, audio and Bluetooth performance verified
14. Complete environmental & reliability test
15. Verified production line capability and quality system
Product picture
R&D Lab Test
Production Assembly Line
Factory picture
About product
This is a high-quality Bluetooth module with PCB antenna built in. The module is elaborately designed in EMI and audio configuration based on Bluetooth stereo chipset CSR8645 with CVC noise & echo cancellation and apt-X technologies, support for multi-link, smart apps connectivity, dual-mic, digital mic, wired audio features. It has excellent RF performance by fine-tuned RF match and antenna directionality.
About our company
We are an one-stop supplier with professional service in wireless audio products, both in R&D and production quality based on our management system and industrial expertise.
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