China supplier HiFi bluetooth V4.1 module bluetooth speaker module
| Spec Item | Range | |
| General | Dimension (mm) | 17.0 x 9.0 x 3.0 mm (double side mounting) |
| PCB material | FR4 4 layers | |
| Soldering pin type | Double soldering pads for flat cable | |
| 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 | Support for Smart App Connectivity | |
| NFC | External NFC module available (Optional) | |
| RF/Wireless | Frequency range | 2.402GHz to 2.483GHz |
| Transmission power | Class 2 , -4 ~ +6 dBm | |
| Sensitivity | -90dBm (typical) | |
| Wireless Range | >10m ( free space) | |
| Audio | Microphone inputs | 2 x analog mic (stereo or dual-mono) |
| 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 | ~12 mA (typical) @SCO link, HV3 packet | |
| Power comsumption - A2DP | ~14 mA (typical) @SBC, 48KHz sampling | |
Key Features
1. China supplier HiFi bluetooth V4.1 module bluetooth speaker module for high-end in-ear headsets
2. Super Mini Size with 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. Support for USB charging enumeration and Charge management
9. Verified production line capability and quality system
Unique features
1. China supplier HiFi bluetooth V4.1 module bluetooth speaker module with Multi-languages voice prompt (optional)
2. Dual-mic technology as an option for better noise cancellation
3. Multi-point connection with 2 source devices
4. Amazing Individuality - Bluetooth combination kit 1 adapter transmitter & 2 receivers/headsets
5. Complete verification test on functional, RF, audio and Bluetooth
6. Complete environmental & reliability test
China supplier HiFi bluetooth V4.1 module bluetooth speaker module product pictures
About product
This is a ultra small size Bluetooth module with PCB antenna built in, focusing on in-ear stereo headset applications. The module is elaborately designed in EMI and audio configuration based on CSR8645 with CVC noise & echo cancellation and apt-X technologies, support for multi-link, smart apps connectivity, dual-mic, voice prompt features. It has excellent RF performance by fine-tuned RF match and antenna directionality.
This module could be working on Bluetooth speaker ,bluetooth headphones and other audio products .Such as our bluetooth headphones
Our bluetooth headphones are working for Smart tv ,home theater and other audio system :
QA Reliability test
Production Assembly Line
Factory picture
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.