XH-A158 Bluetooth 5.0 Power Amplifier Board

The XH-A158 Bluetooth 5.0 Power Amplifier Board is a high-performance stereo audio amplifier designed for DIY audio projects and smart speaker systems. With its built-in Bluetooth 5.0 module, it provides seamless wireless audio streaming, while the Class D amplifier delivers high-efficiency output with minimal heat. This compact board supports dual-channel stereo sound, making it ideal for home audio systems, car speaker upgrades, and portable speaker builds.

Key Features of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• Bluetooth 5.0: Enables fast, stable wireless audio transmission with low latency.
• High Power Output: Dual-channel 50W + 50W output suitable for most passive speakers.
• Efficient Class D Amplification: High efficiency and low heat generation without the need for bulky heatsinks.
• Volume Knob: Onboard volume control for easy adjustment.
• Compact Size: Small footprint ideal for DIY speaker enclosures and portable devices.

Technical Specifications of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• Bluetooth Version: 5.0
• Chipset: TPA3116D2 (or similar Class D amplifier IC)
• Output Power: 50W + 50W (at 4Ω with 12-24V DC input)
• Operating Voltage: DC 12V to 24V (recommended 19V or 24V for full output)
• Impedance: 4Ω to 8Ω
• Signal-to-Noise Ratio (SNR): ≥90dB
• Frequency Response: 20Hz – 20kHz
• PCB Dimensions: Approx. 75mm x 60mm x 20mm

Mechanical Specifications of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• Mounting Holes: 4 corner holes for PCB mounting
• Connectors: Screw terminals for speaker output and DC input
• Cooling: Passive cooling; optional heatsink or fan can be added
• Material: High-quality FR4 PCB with thick copper tracks

Dimensions:

• Length: 75mm
• Width: 60mm
• Height: 20mm (excluding volume knob and connectors)

Mounting Options:

• Enclosure Mount: Can be mounted inside speaker cabinets or DIY audio cases.
• Panel Mount Volume: Volume knob accessible for front panel integration.

Schematic Diagram, Connection, Wiring and Pinout of XH-A158:

• Power Input: Connect 12V–24V DC to the power terminal.
• Speaker Output: Connect left and right speakers (4Ω–8Ω) to the labeled output terminals.
• Bluetooth Antenna: Internal antenna with good range; ensure clear line of sight for best signal.
• Pinout: Screw terminals labeled: +V, GND, L+, L-, R+, R-

Datasheet of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• XH-A158 Product Page and Documentation

Applications of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• DIY Bluetooth Speakers: Build your own portable or home stereo systems.
• Car Audio Systems: Upgrade factory sound with wireless streaming support.
• Home Theater: Amplify left/right channels in a minimalist setup.
• Smart Audio Projects: Integrate into Raspberry Pi or ESP32 IoT audio solutions.
• Classroom or Office Use: Power small PA or announcement systems.

Equivalent of XH-A158 Bluetooth 5.0 Power Amplifier Board:

• XH-A232: Similar 50W dual-channel amplifier with analog input
• ZK-502T: Bluetooth 5.0 stereo amp board with LED indicators
• Generic TPA3116D2 Boards: Multiple options based on the same amplifier IC

Package Includes:

• 1 x XH-A158 Bluetooth 5.0 Power Amplifier Board