Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

AB5322B is a high-performance Bluetooth 5.4 audio SoC chip launched by Bluetrum, featuring a QFN32L (4×4mm) package, specifically optimised for portable Bluetooth speakers and smart voice devices. The chip integrates Bluetooth 5.4 dual-mode, DSP audio processing, and low-noise Class D amplifiers, supporting high-quality audio playback, low-power operation, and smart voice interaction. It is suitable for applications such as mini speakers, TWS charging cases, and smart home audio devices.

AB5322B Core Features

Bluetooth 5.4 dual-mode (BR/EDR + BLE)

Supports A2DP/AVRCP/HFP/SPP protocols and is compatible with SBC/AAC audio decoding

Transmission range of 15–30 metres (depending on the environment) with strong anti-interference capabilities

High-quality audio processing

Built-in 32-bit DSP supports EQ adjustment, noise suppression, and 3D sound effect optimisation

Signal-to-noise ratio ≥98dB, THD+N <0.05%, delivering high-fidelity audio quality  

Low-power design  

Standby current <10μA, playback mode power consumption <12mA, suitable for battery-powered devices  

Supports lithium-ion battery/USB 5V power supply, compatible with portable speakers  

Highly integrated solution

Single-chip integration of RF, DSP, and PMU, reducing peripheral components and lowering BOM costs  

Provides I2S/PCM, UART, and GPIO interfaces for easy functional expansion  

Smart feature support  

Compatible with TWS dual-device connectivity for stereo pairing  

Can integrate with AI voice assistants (e.g., Tmall Genie, Xiaoai)

AB5322B Parameters

Bluetooth version:    5.4 (BR/EDR + BLE)  

Package:    QFN32L (4×4mm)  

Operating voltage:    2.7V ~ 5.5V  

Audio decoding:    SBC/AAC  

Output power:    2×3W (4Ω)  

Signal-to-noise ratio (SNR):    ≥98dB

Operating Temperature: -40°C to +85°C

Product Applications

Bluetooth 5.3 Speaker

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.