✅ Optimized for 12V Systems – Perfect for car audio and portable applications
✅ Studio-Grade Filtering – Sharp cutoff slope for precise frequency control
✅ Plug-and-Play Design – Pre-wired terminals for quick installation
✅ Multi-Layer Protection – Built-in safeguards against voltage spikes
✅ Compact 50x50mm Size – Fits in tight amplifier enclosures

✅ 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

• 💎 Dual N-Channel Output: Utilizes two IRF240 MOSFETs for superior current handling and a rich, musical audio signature.

• ⚡ High Power Delivery: Capable of pushing a massive 300 Watts RMS in mono configuration for high-impact sound.

• 🔋 Wide Voltage Range: Optimized for Dual $56V$ DC operation, allowing for maximum dynamic range and headroom.

• 🛠️ User-Friendly Silk Screen: Features ultra-clear component labeling, making it easy for hobbyists to populate and solder with zero errors.

• 🌡️ Advanced Thermal Logic: Designed with dedicated mounting spaces for BD139 and MJE series driver transistors to manage heat effectively.

• 🔊 Subwoofer Ready: The high current output makes it an ideal choice for driving large-diameter subwoofers with tight control.

• 📐 Space-Saving Footprint: The pro-engineered $10\text{cm} \times 9\text{cm}$ PCB fits easily into standard amplifier chassis and heat sinks.

• 🛡️ Premium Build Quality: Manufactured on a high-grade glass epoxy substrate for long-lasting durability and heat resistance.

• 🔌 Flexible Inputs: Includes dedicated pads for Audio Input, Ground, and Speaker Output for clean and easy wiring.

• 🏗️ Heavy-Duty Support: Supports large-wattage ceramic resistors and high-voltage electrolytic capacitors ($80V$) for stable performance.

• Complete Tone Control: Includes dedicated mounting points for Bass, Treble, and Balance potentiometers to customize your sound output.

• Clearly Labeled Silkscreen: All component values (e.g., 1K, 10K, 10uF) and polarities are printed directly on the board for error-free assembly.

• Standard Component Support: Designed to use common, easy-to-find components like C945 transistors and standard resistors.

• Dual Input/Output Design: Features designated Input and Output solder pads for easy integration between your audio source and amplifier.

• Compact JML 09 Design: A space-saving layout that fits easily into custom amplifier chassis or project boxes.

• Wide Supply Range: Includes a dedicated Supply section (+/-) for powering the preamp circuit.

✅ High-Performance Filtering: Blocks high-frequency noise while allowing bass/midrange signals to pass.
✅ Compact & Durable: Robust PCB design for reliable long-term use.
✅ Easy Integration: Clearly labeled INPUT and GND terminals for hassle-free wiring.
✅ Versatile Application: Ideal for subwoofer circuits, audio crossovers, guitar pedals, and hi-fi systems.
✅ High-Quality Components: Optimized for minimal signal loss and maximum fidelity.

• Power Output: 600W (300W+300W stereo)

• Transistors: 4x NPN + 4x PNP output pairs

• Frequency Response: 20Hz–20kHz (±1dB)

• THD: <0.05% at rated power

• Input Voltage: Dual supply (±25V to ±50V DC)

• PCB Dimensions: [Dimensions from image if visible]

Applications

• Outdoor concert/stage amplifiers

• Commercial PA systems

• Marine/RV audio upgrades

• High-power DIY audio projects