Product Details

Smart Home System:

Bluetooth Multi-Audio System:

About product:

This is a ultra small size Bluetooth module with PCB antenna built in, focusing on stereo headphon 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.

high quality bluetooth audio transmitter module
specifications:

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 specifications:

1.high quality bluetooth audio transmitter module

2.Mutl-link Bluetooth low energy Module version: V3.0

3.Bluetooth chipset:BlueCore® CSR8645™

4.Wireless Range >10m ( free space)

5.Profiles supported:A2DP/AVRCP/HFP/HSP

6.Multi-link: 2 x host devices (A2DP/HFP) or 2 x headsets

7.Smart connection:Support for Smart App Connectivity

8.Decoder support: APT-X, AAC, MP3, SBC and Faststream

high quality bluetooth audio transmitter module features:

1.high quality bluetooth audio transmitter module

2.Super Mini Size with PCB antenna built in

3.Support for Hi-Fi sound quality apt-X decoder built in

4.RF transmission power level configurable

5.Multi-band EQ tunable, S3D and Volume Boost

6.Support for voice prompt

Outstanding features:

1. high quality bluetooth audio transmitter module

2. Multi-languages voice prompt (optional)

3. Dual-mic technology as an option for better noise cancellation

4. Multi-link with source devices or 2 headsets

5. Amazing Individuality - Bluetooth kit of 1 transmitter adapter & 2 receivers/headsets

high quality bluetooth audio transmitter module pictures:

Company View:

Production Assembly Line:

Certification:

QA Lab Test:

RD Lab Test:

About company

Shenzhen ALM Technology Co., Ltd. is a innovation company in wireless audio technology and product field, providing professional value-added service for both Chinese export-oriented enterprises and international sourcing customers, 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.

More informations, Pls feel free contact us .

Tel:+86 137 9854 4887

Skype:(live) cherry_1763

WhatsApp: 86 13798544887