✅ 600W Mono Output – Powerful sound for outdoor/stage use
✅ 4 NPN/PNP Transistors – Enhanced durability and clarity
✅ Ultra-Compact (8.5cm x 7.6cm) – Space-saving design
✅ Outdoor-Ready – Resists heat and environmental stress
✅ Low-Distortion – Clean audio even at high volumes
✅ Versatile – Works with subwoofers, PA systems, and more

✅ 150W Mono Power Output – Ideal for bass-heavy audio applications
✅ 4 NPN & PNP Transistors – Stable and efficient amplification
✅ Compact Size (120mm x 63mm) – Fits easily into custom enclosures
✅ High-Quality PCB Material – Durable and heat-resistant
✅ Low Distortion – Clean and powerful sound reproduction
✅ Easy to Install – DIY-friendly for custom projects
✅ Versatile Use – Suitable for car audio, subwoofers, and more
✅ Reliable Performance – Built to handle continuous high power
✅ Cost-Effective – Professional audio quality at an affordable price
✅ Ideal for Upgrades – Perfect for replacing or enhancing existing amplifiers

• 🔊 Dual-Channel Stereo: Complete Left and Right channel amplification on a single, high-quality board.

• 💎 Quad D1047 Power: Utilizes four D1047 NPN transistors for a balanced and punchy output.

• ⚡ 200W Total Power: Delivers 100W per channel, perfect for 8-inch to 10-inch home speakers.

• 📏 Extended PCB Design: Large 14.6cm x 8cm layout provides better airflow and easier soldering.

• 🛠️ Error-Proof Assembly: All component values are printed directly on the board for a “no-manual” assembly experience.

• 🌡️ Integrated Heat Management: Linear transistor alignment allows for direct mounting to a single aluminum heat sink.

• 🔋 Efficient Voltage Range: Optimized for 25V-0-25V AC input, making it compatible with standard 5A-7A transformers.

• 🛡️ Built-in Power Section: Features dedicated slots for large filter capacitors ($4700\mu F$ or higher) for hum-free audio.

• 🔌 Versatile Connectivity: Separate pads for Ground (GND), Speaker Out (SP), and Audio Input (IN) for clean wiring.

✅ 7-Band Volume Control: Fine-tune audio output for balanced, crystal-clear sound.
✅ 4 Microphone Inputs: Supports multiple mics with individual echo adjustments—ideal for group performances.
✅ Echo Effect: Built-in echo for enhanced vocal depth and richness.
✅ Compact & Durable: High-quality PCB designed for long-lasting performance.
✅ Easy Integration: Ready to install in custom audio setups, amplifiers, or PA systems.
✅ Versatile Use: Perfect for karaoke machines, stage performances, home theaters, and DIY audio projects.

• 300W indoor amplifier PCB for high-power audio applications.

• 4 NPN & PNP output transistors ensure efficient signal amplification.

• Rectifier included – ready to use with your dual AC supply.

• Compatible with 25+25V AC dual supply for versatile power options.

• Ideal for DIY enthusiasts and audio professionals seeking reliable performance.

• 500W mono amplifier PCB – High-power output for demanding audio applications.

• 8 NPN & PNP transistors – Ensures efficient heat dissipation and stable performance.

• Compact size (24.5cm x 4.7cm) – Fits easily into tight enclosures.

• Final stage design – Ready for integration with preamp modules.

• Durable construction – High-quality materials for long-term reliability