TDA7492 High-Power Digital Audio Amplifier Board delivers 50W+50W stereo output with high efficiency and clear sound performance. Available at BDTronics Bangladesh, this compact Class D amplifier module is ideal for DIY audio systems, speaker upgrades, home theater projects, and 2.1 channel setups. Designed with stable SMT manufacturing and built-in protection, BDTronics ensures reliable performance for both hobbyists and professionals.

Features:

• High power output 50W × 2 stereo at 8Ω load

• Mono BTL mode supports up to 100W at 4Ω

• TDA7492 Class D amplifier chip for high efficiency and low heat

• Wide input voltage range 10V to 26V DC

• Compact size 70×57mm suitable for space-limited designs

• Built-in protection: short-circuit, over-temperature, overload protection

• Anti-pop noise design reduces power ON/OFF noise

• SMT reflow soldering ensures stable and durable performance

• Pre-configured maximum gain with onboard gain settings

• Suitable for multi-channel amplifier and 2.1 system integration

Usage Instructions:

• Connect DC power supply within 10V–26V range with correct polarity

• Connect left and right speakers to output terminals (8Ω recommended for full power stability)

• For 4Ω speakers, keep supply voltage below 18V to avoid overheating

• For 6Ω speakers, do not exceed 24V input voltage

• For 8Ω speakers, maximum input voltage can be up to 26V

• Use proper heat ventilation for long-term high-power operation

• Connect audio input from mobile, PC, or preamp module

• Avoid reverse polarity connection to prevent damage

Applications:

• DIY home audio amplifier projects

• Active speaker repair and upgrade

• 2.1 channel and multi-channel amplifier systems

• Bluetooth audio amplifier integration

• Car audio systems and portable speaker builds

• Desktop audio amplifier setups

Specifications:

• Product Name: Digital Power Amplifier Board

• Chip: TDA7492

• Input Voltage: 10V–26V DC

• Output Power: 50W × 2 (8Ω)

• Mono BTL Power: 100W (4Ω)

• Size: 70 × 57mm

• Height: 21mm (including heatsink)

• Material: PCB + Metal

• Color: Random

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