XH-M542 TPA3116D2 Mono 100W Digital Audio Amplifier Board – DC 12V-26V Power Amp Module for DIY Speakers & Audio Projects

$1.41

SKU: FA2019-8 Category:

Description

The XH-M542 TPA3116D2 Mono 100W Digital Audio Amplifier Board is a high-power, high-efficiency Class D audio power amplifier designed for audiophiles, DIY hobbyists, and industrial audio integration. Built around the world-renowned TPA3116D2 high-performance core chip, this module delivers a clean, punchy 100W output from a single channel (Mono).
Its advanced digital architecture ensures over 90% power efficiency, allowing it to provide massive volume with minimal heat generation. The board is equipped with an integrated large-area heatsink and high-grade electrolytic capacitors to ensure stable performance even during continuous high-load operation. Whether you are building a custom subwoofer, a portable PA system, or an active mono speaker, the XH-M542 provides the reliability and acoustic clarity required for professional results.
Key Features
  • High Power Output: Delivers up to 100W of crisp audio, making it powerful enough to drive large floor-standing speakers or subwoofers.
  • Superior Efficiency: Class D technology operates at >90% efficiency, reducing the need for massive cooling systems and extending battery life in portable applications.
  • Advanced Protection Suite: Includes comprehensive onboard protection against over-voltage, under-voltage, overheating, DC detection, and short circuits.
  • Low Noise Floor: High-quality inductor coils and filtering capacitors minimize electromagnetic interference (EMI) and background hiss.
  • Wide Voltage Range: Compatible with any DC power source between 12V and 26V, offering great flexibility for different power supply setups.
  • Compact Industrial Build: Features a reinforced PCB with pre-drilled mounting holes for easy installation into custom enclosures or speaker cabinets.

Additional information

Model

XH-M542

Core Chip

TPA3116D2 (Digital Class D)

Input Voltage

DC 12V – 26V (24V recommended for maximum power)

Output Power

100W Max (at 24V DC / 2Ω load or 4Ω load)

Signal-to-Noise Ratio (SNR)

100dB

Channel Type

Mono (Single Channel)

Frequency Response

20Hz – 20kHz

Output Impedance Support

2Ω to 8Ω (Best performance at 4Ω)

Dimensions

79mm x 54mm x 16mm

Weight

Approx. 54g

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