ZK-MT21 50×2+100W Class-D Audio Amplifier Board with Bluetooth 5.0 | High Power Subwoofer & Stereo Class-D Amplifier

Discover crystal-clear sound and powerful bass with the ZK-MT21 Class-D Audio Amplifier Board!
Perfect for DIY audio projects, car audio, or upgrading home speakers, this compact board packs an impressive 100W subwoofer output + 2x50W stereo output, combined with the stability and range of Bluetooth 5.0.

✅ Key Features & Benefits:

🔹 Powerful Output:

• Subwoofer: 💥 100W (mono channel)

• Stereo: 🎶 2 × 50W (left & right channels)

🔹 Bluetooth 5.0:

• Faster connection, stable signal, and longer range for seamless wireless music streaming.

🔹 Class-D Efficiency:

• High efficiency, low heat generation – ideal for compact DIY audio enclosures.

🔹 Multiple Inputs:

• Supports Bluetooth, AUX input, and wired connections for flexible use.

🔹 Bass & Treble Control:

• Adjust the sound to your preference with on-board knobs.

🔹 Compact & Easy to Install:

• Lightweight design fits into tight spaces for car, home, or custom speaker projects.

🔹 Clear Sound Quality:

• Low distortion and noise for pure, powerful audio output.

📊 Technical Specifications: