XH-A153 Bluetooth 5.0 Lithium Battery Holder Dual Channel 2×5W Stereo Class D Audio Amplifier Module

XH-A153 Bluetooth 5.0 Lithium Battery Holder Dual Channel 2×5W Stereo Class D Audio Amplifier Module is a highly integrated, portable audio solution designed for creating DIY wireless speakers and portable sound systems. This versatile board combines a high-efficiency Class D power amplifier, a Bluetooth 5.0 wireless receiver, and a dedicated 18650 lithium battery holder into a single compact footprint. Consequently, users can build a fully functional stereo system with minimal external wiring or complex power management. The module delivers a crisp 5W per channel, providing ample volume for personal audio projects. Furthermore, the advanced Bluetooth 5.0 protocol ensures a stable connection with reduced latency compared to older versions. Therefore, you should choose the XH-A153 module for any project where portability, ease of assembly, and reliable wireless performance are primary requirements.

Key Features:

• Integrated Battery Holder: The on-board 18650 battery slot simplifies power delivery, allowing for true wire-free operation in portable designs.
• Bluetooth 5.0 Connectivity: Features high-speed data transmission and a stable wireless range of up to 15 meters in open environments.
• High-Efficiency Class D: This architecture minimizes heat dissipation and maximizes battery life, ensuring your audio plays longer on a single charge.
• Micro USB Charging: Includes a built-in charging circuit, which allows you to recharge the installed lithium battery directly through a standard 5V USB cable.
• Dual Channel Stereo: Provides a dedicated left and right channel output, delivering an immersive 2.0 stereo sound experience.

Technical Specifications:

• Chip Model: PAM8403 (Amplifier Chip)
• Output Power: 5W + 5W Stereo
• Wireless Version: Bluetooth 5.0
• Power Supply: 3.7V to 5V DC (Via 18650 Battery or Micro USB)
• Speaker Impedance: 4 Ω to 8 Ω (4 Ω recommended for max power)
• Number of Channels: Dual Channel (Stereo)
• Signal to Noise Ratio: ≥ 90 dB

Mechanical Specifications:

• Mounting Holes: Four 3mm pre-drilled holes for secure enclosure mounting.
• Battery Compatibility: Standard 18650 Lithium-Ion (Battery not included).
• Audio Connectors: 2-pin JST-style connectors for easy speaker attachment.
• Switch: Integrated physical toggle switch for power control.

Dimensions:

• Length: ≈ 93 mm
• Width: ≈ 42 mm
• Height: ≈ 25 mm (Including battery holder)
• Weight: ≈ 27 g (Excluding battery)

Pinout and Wiring:

• Micro USB Port: Used for 5V DC power input and charging the 18650 battery.
• L-OUT (+/-): Connect these terminals to the left channel 4-8 Ω speaker.
• R-OUT (+/-): Connect these terminals to the right channel 4-8 Ω speaker.
• Power Switch: Toggles the battery connection to turn the module on or off.
• Wiring Note: However, you must ensure the polarity of the speakers is correct to avoid out-of-phase audio issues.

Datasheet Reference:

• Download PAM8403 Amplifier Chip Datasheet

Commonly Used in:

• DIY Portable Speakers: Creating custom Bluetooth-enabled audio boxes for outdoor or desktop use.
• Gaming Consoles: Adding high-quality stereo sound to handheld or arcade cabinets.
• Voice Systems: Implementing wireless audio prompts in interactive kiosks or robotic systems.

Applications:

• Audio Prototyping: Rapidly testing wireless audio performance without soldering complex power circuits.
• Educational Projects: Serving as a safe, low-voltage project for students learning about wireless electronics.
• Repair and Upgrades: Modernizing old passive speakers by adding Bluetooth and battery power.

Equivalent Models:

• XH-A150: A similar model featuring a different board layout but using the same core PAM8403 amplifier.
• XY-P5W: A compact 5W+5W Bluetooth module, although it lacks the integrated 18650 holder.
• PAM8403 Bluetooth Decoder Board: A more modular version for builders who prefer external battery management.

Package Includes:

• 1 x XH-A153 Bluetooth 5.0 Audio Amplifier Module
• 2 x 2-Pin Speaker Wiring Cables