Crank up the clarity and feel the bass with the ZK-MT21 2.1 Channel Bluetooth Amplifier Board, designed for serious audio lovers and DIY audio tinkerers alike. Whether you're upgrading your old system or building a brand-new setup, this Bluetooth 5.0 CS8673E amplifier board delivers clean, punchy sound with effortless connectivity and customizable audio control.
🔊 Why You’ll Love the ZK-MT21 Amplifier Board:
✅ 2.1 Channel Powerhouse – With 2 x 50W for stereo speakers and a 100W subwoofer output, this board brings rich mids, crisp highs, and deep, floor-shaking bass to your setup.
🔗 Bluetooth 5.0 + AUX Input – Seamlessly switch between Bluetooth streaming and wired AUX connections. Perfect for phones, PCs, tablets, or any device with Bluetooth or 3.5mm output.
🎛️ Customizable Audio Experience – Fine-tune your sound with adjustable volume, bass, treble, and frequency controls. Your music, your way.
🛠️ Easy DIY Installation – Compact and modular, this amplifier board is easy to assemble and fits snugly into any audio project or speaker upgrade. Size: 93x90x22mm.
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🎧 Built for High-Fidelity Sound:
High Compatibility: Works with 4Ω–8Ω speakers, rated from 20W up to 100W.
Efficient Power Handling: Runs on DC 12–24V / 5A, making it ideal for desktop speaker systems, soundbars, and custom subwoofer builds.
Stable & Secure Connections: Enjoy fast pairing and strong signal retention with Bluetooth 5.0—no dropouts, just non-stop audio.
🎁 What’s in the Box?
1x ZK-MT21 Bluetooth 2.1 Audio Amplifier Board (assembly required – case not pre-assembled)
CE Certified, made from high-quality electronic components, and free from high-concern chemicals, this amplifier board is safe, durable, and performance-packed. Whether you're building a Bluetooth speaker or upgrading your home audio setup, the ZK-MT21 lets you unleash the full potential of your sound system.
Experience booming bass, smooth treble, and full-spectrum stereo—all from one powerful little board.
