CSR8645 Low Power Bluetooth V4.0 Audio Amplifier Support aptX

This Bluetooth audio module features the most recent Bluetooth V4.0 and is based on the CSR8645. It is an inexpensive, high-efficiency stereo wireless audio transmission device with intelligence for transmitting audio data. This module makes it simple to stream music wirelessly. It is primarily intended for short-range audio transmission, and it may be connected to Bluetooth-enabled devices such as laptops, cell phones, PDAs, and other digital product-connected devices.

1. POWER-EN: the switch control module when the switch, the toggle switch, when the POWER-EN is connected toBAT, module startup; When POWER-EN disconnect BAT, module shutdown, usually used when battery power. Adopting the module electrically powered, only the 10K POWER-EN series resistor connected to BAT, can realize the module electrically powered, usually used in the external power supply.
2. PLAY: Play/Pause (short press), with the hang-up (by a long, time slightly longer), repairing (long press).
3. VOL+: Volume plus.
4. VOL-: the volume Minus.
5. PREV: To the Previous Track.
6. NEXT: To the Next Track.
   

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   Features:

   Bluetooth Profiles:

   1. Bluetooth v4.0 specification support.
   2. HFP v1.6 wideband speech (HD voice ready).
   3. HSP v1.2.
   4. A2DP v1.2.
   5. AVRCP v1.4.
   6. Support for smartphone applications (apps).

   Improved Audio Quality:

   1. 2-mic far-end audio enhancements.
   2. Near-end audio enhancements (noise suppression and AEQ).
   3. Wind noise reduction.
   4. Packet loss concealment.
   5. Bit error concealment.
   6. Automatic gain control and automatic volume control.
   7. Frequency expansion for improved speech intelligibility.
   8. mSBC codec support for wideband speech.

   Music Enhancements:

   1. Configurable 5-band EQ for music playback (rock, pop, classical, jazz, dance etc).
   2. APTX, SBC, MP3, AAC, and Faststream decoder.
   3. Stereo widening (S3D).
   4. Volume Boost Additional Functionality Additional Functionality.
   5. Support for voice recognition.
   6. Support for multi-language programmable audio prompts.
   7. CSR’s proximity pairing and CSR’s proximity connection.
   8. Multipoint support for HFP connection to 2 handsets for voice.
   9. Multipoint support for A2DP connection to 2 A2DP sources for music playback.
   10. Talk-time extension.

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   Specification:

   Type	F-3188
   Module Version	V1.0
   Bluetooth Version	V4.0
   Input Voltage (V)	3.3 ~ 4.2
   Bluetooth protocol	HFP V1.6/A2DP V1.2/AVRCP V1.4/HSP V1.2
   Working current (mA)	≤30
   Standby Current (µA)	<50
   Operating Temperature (℃)	-40 ~ +80
   Wireless transmission range (m)	> 10
   Transmission power	CLASS1/CLASS2/CLASS3,9dbm(MAX)
   Sensitivity	-80dBm<0.1R
   Frequency Range (GHz)	2.4 ~ 2.480
   Audio SNR (dB)	≥75
   Length (mm):	27
   Width (mm)	14
   Height (mm)	2
   Weight (gm)	1
   Shipping Weight	0.007 kg
   Shipping Dimensions	7 × 5 × 2 cm

   Package Includes:

   1 x CSR8645 4.0 Low Power Bluetooth Audio Amplifier Module.