The XH-A153 is a dual-channel Class D audio amplifier module featuring Bluetooth 5.0 connectivity and onboard lithium battery support. It’s ideal for portable speaker builds, wireless audio upgrades, and embedded sound systems.

Specifications

• Function Type: Audio amplification
• Bluetooth Version: 5.0 (receiver only)
• Amplifier Chip: PAM8403 (Class D)
• Output Power: 3 W × 2 (stereo)
• Supply Voltage: DC 5 V
• Battery Support: 3.7 V lithium cell (via JST connector)
• Charging Circuit: Integrated lithium battery charging (micro USB input)
• Magnification: 4× gain
• Audio Input: Bluetooth only (no AUX input)
• Audio Output: 2-channel speaker terminals
• Dimensions: 93 mm × 42 mm × 25 mm
• Mounting Hole Distance: 86 mm × 35 mm
• Weight: ~27 g
• Indicators:
  - Power LED
  - Bluetooth pairing LED
• Speaker Impedance: 4–8 Ω recommended

Features

• Bluetooth 5.0 wireless audio streaming with low latency
• Dual-channel stereo output for compact speaker systems
• Onboard lithium battery charging for portable use
• Plug-and-play with micro USB or battery input
• Ideal for DIY Bluetooth speakers, embedded audio, and classroom projects
• Common use cases:
  - Portable Bluetooth speaker builds
  - Wireless audio upgrades for enclosures
  - STEM audio amplifier kits
  - Battery-powered sound systems