Home > Products > Bluetooth Module > ALM V3.0 Bluetooth Module (New&Original)
ALM V3.0 Bluetooth Module (New&Original)
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Product Details
Model Number | ALM-803 | Type | Drive IC | |
Brand Name | ALM | Place of Origin | Guangdong, China |
1 pcs Bluetooth module per blister
Product Description
ALM V3.0 Bluetooth Module (New&Original)
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: V3.0 + 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 |
Specification
1. ALM V3.0 Bluetooth Module (New&Original)
2.Bluetooth specification: Bluetooth V3.0
3.Bluetooth chipset:BlueCore5™ Multimedia
4.Profiles supported: A2DP/AVRCP/HFP/HSP/SPP/FTP
5.Multi-link: Connect with 2 x host or slave devices (A2DP/HFP)
6.Smart connection: Adaptive for audio sample rate & encoders
7.Decoder support: AAC, MP3, SBC and Faststream
Feature
1. ALM V3.0 Bluetooth Module (New&Original)
2.Support for Hi-Fi sound quality
3.Apt-X code/decode available in firmware as requested
4.Support for voice prompt
5.CSR CVC Noise reduction & Echo cancellation
6.Support multi-link for HSP & A2DP
7.Support A2DP for both source & sink aplications
Smart Home System
The Display for ALM V3.0 Bluetooth Module (New&Original)
Company View
Production Line
Bluetooth Test
Certification
About product
ALM V3.0 Bluetooth Module (New&Original) 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.
About 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.
More Information , Please Fell free to contact us .
Tel:+86 137 9854 4887
Skype:(live) cherry_1763
WhatsApp:+ 86 13798544887
Company Profile

We are an innovation company in wireless audio technology and product field, providing professional value-added service, focusing on medium/high end Bluetooth products with high quality in acoustic and RF enhanced, based on our strengths in wireless technology and industrial expertise from an strong expert team in R&D and production quality management. In the past few years, for many domestic and international clients, we have provided series of Bluetooth products with comprehensive services including product information, technical solutions, sourcing, design, manufacture and product sales. By powerful technical support and quick services, we have set efficient, steady and deep mutual trust and cooperation with more and more customers. The company was named as ALM because it was an audio lab for multimedia founded by a few zealot engineers in America. ALM Technology (Hong Kong) Limited was officially founded in Jun 2008, whose investors consisted of MWM Acoustics LLC, a well-known acoustic company from America, and an expert elite team in Bluetooth wireless and acoustic technology from China. Afterwards, MWM transferred its investments and became a subsidiary company of Harman, the leading global audio group, 500 tops of the world. From then on, ALMCs investors from China run the company independently, and soon ALM became a qualified supplier for Harman. Currently, ALM concentrates on developing Bluetooth stereo headset products with professional sound quality, which consists of following product categories. -- Bluetooth stereo headband headsets/headphones -- Bluetooth stereo in-ear headsets/earphones -- Bluetooth stereo headsets for TV (involving Bluetooth adaptor for TV audio, multiple headset) -- Bluetooth glasses (with stereo earphones) The excellent quality of ALM's Bluetooth headsets can be shown in RF and acoustic performance, which benefits from high standard product design, concerning advanced chipset solutions, ingenious industry design, optimized software and hardware, elaborate acoustic and RF design, besides our familiarity with the whole Bluetooth industry and expertise in production processes and testing. The sound quality of ALM's Bluetooth headsets have following features: high fidelity, noise reduction, RF enhancement and Low latency. We have complete expertise in wireless audio transmission and 2.4GHz RF for 10 to 100 meters, able to provide pointed and overall solutions according to customer product requirements. In product development, we can provide standard and customized design including mechanical, software, hardware, RF and acoustic design. In product test, we can provide RF and audio test system equipments, and Bluetooth product verification and certification test planning and solutions. In production engineering, we can provide Bluetooth production test systems and production process flows, and Bluetooth production engineering improvement countermeasures. In management system, we can provide expert diagnosis and consultation service in product innovation strategy, product line management, R&D management, project management, product sales management, product quality improvement system etc. On the philosophy "Faith-based, professional services, concerted cooperation to pursue excellence", ALM Technology has been gathering the elite from the world and setting up a high-quality team at home and from overseas, which consists of a senior expert team with industrial technology and management expertise, a well-trained professional R&D team, and a close-to-market and customer-value-oriented sales and service team. We will, just as in the past, provide the most valuable and professional and comprehensive products and services basing on our customer requirements. We will spare no efforts to stride forward toward the goal, expecting to cooperate with our clients to achieve brilliance hands by hands!
Contact Us
- Shenzhen ALMsound Technology Ltd.
- Contact nameJohnson Wang Chat Now
- Phone86-755-27674973
- AddressA1111 Yinxing Hi-tech Building, No 1301 Guanguang Rd., Guanlan St., Longhua New Dist., Shenzhen, China, Shenzhen, Guangdong
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