Yuemi A4 4CH Class D Amplifier (4×100W) – Premium Car Audio Power

Take your car audio system to the next level with the Yuemi A4 4-Channel Class D Amplifier — a high-performance amplifier engineered for clear, powerful sound and efficient performance. Built with Class-D technology, this 4×100W amplifier delivers strong amplification with excellent thermal efficiency, ideal for powering your speakers and creating a dynamic listening experience.

⭐ Key Features & Benefits

🔋 Powerful Multi-Channel Output

Delivers 100W RMS × 4 channels (@ 4Ω) — perfect for driving four speakers with satisfying volume and clarity. For higher output at lower impedance, get 140W × 4 (@ 2Ω) for a punchier sound. You can also bridge channels to get up to 290W × 2, offering versatile setup options.

⚡ Efficient Class-D Design

The Class-D amplifier design ensures high efficiency with low heat generation, making it great for long listening sessions without overheating problems.

🎚️ Customizable Filters

Adjustable low-pass and high-pass filters (50Hz–250Hz) let you tune the frequency range for each speaker setup, allowing you to optimize bass, mids, and highs for your preferred sound signature.

📶 High Sensitivity & Wide Compatibility

With input sensitivity from 0.2V to 8V, this amp is compatible with a wide range of head units and audio sources — from OEM systems to aftermarket units.

🔊 Clean, Detailed Audio

Enjoy excellent sound clarity with a high signal-to-noise ratio (≥95dB) for reduced distortion and cleaner audio output.

🛠️ Solid Build & Protection Features

Designed with robust components, the amplifier also includes protections for voltage fluctuations and overload conditions, giving you peace of mind for daily use.

🧲 1-Year Warranty

Comes with a 1-year manufacturer’s warranty, ensuring support and reliability for your audio upgrade.

📦 What’s in the Box

• 1 × Yuemi A4 4-Channel Class D Amplifier

• Mounting hardware & wiring kit (as provided)

• User guide & warranty card

🎯 Who This Is For

• Car audio enthusiasts upgrading from stock amplifiers

• Vehicles with aftermarket speakers or head units

• Anyone looking for more power and clarity from their sound system

🎶 Upgrade your car’s audio with the Yuemi A4 4CH Class D Amplifier — powerful, efficient, and tunable for dynamic on-road sound.