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2.1 Amplifier Board, TDA2030 BTL Circuit, LM1875 Audio PCB, 36W Subwoofer Amplifier
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🔊 Triple Output: Delivers 18W x 2 (stereo) + 36W (subwoofer) for powerful 2.1 channel audio.
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🔌 Dual AC Power Support: Compatible with 12V-0-12V to 15V-0-15V transformer input.
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🎚️ Dual IC Compatibility: Supports both TDA2030 (warmer sound) and LM1875 (cleaner highs).
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🎵 BTL Technology: Enables efficient 36W subwoofer output with deep, punchy bass.
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🔍 Low Distortion: Less than 0.2% THD ensures crystal-clear sound reproduction.
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⚡ Stable Power Handling: Performs consistently across varying input voltages.
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🛡️ Low-Noise Design: Carefully routed layout reduces interference and hum.
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💪 Robust PCB: Thick copper layers ensure better heat dissipation and longevity.
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🧰 Plug-and-Play: Clearly labeled component and terminal markings for easy assembly.
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🏠 Compact & Versatile: Perfect for DIY projects, car audio, or home theater systems.
₨ 105 -
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Multi Output Bridge Rectifier PCB – 15V+15V, 5V, 12V DC Power Supply Board | 11cm x 6.5cm
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✅ Supports regulated DC outputs: 15V+15V, 5V, and 12V.
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🔋 Ideal for powering amplifier boards, microcontrollers, and lab projects.
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🔄 Uses IN4007 diodes for full-wave bridge rectification.
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⚙️ Includes mounting for 7812 and 7805 voltage regulators.
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🔧 Designed to support TIP41C and TIP42C power transistors.
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🔍 Clearly marked silkscreen for easy identification of components.
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🧲 Equipped with positions for filter capacitors (up to 2200µF / 35V).
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⚡ Compatible with center-tapped transformer AC input.
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🧰 Strong PCB layout for high current and heat dissipation.
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📏 Compact size: 11cm x 6.5cm, great for small enclosures.
₨ 150 -
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Low Pass Filter PCB – Precision Bass Management for Pro Audio & DIY Projects
✅ 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₨ 38 -
Low Pass Filter PCB – High-Quality Audio Signal Conditioning Board
✅ 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.₨ 38 -
7 Volumes 4 Mic Echo Sound PCB – Professional Karaoke & Audio Mixing Board
✅ 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.₨ 120 -
LM3886 68W Hi-Fi Mono Amplifier PCB – Premium Quality for Crystal Clear Audio
✅ High Power Output: 68W RMS mono power for robust, clear audio.
✅ Premium PCB: Double-sided fiber construction for durability and optimal signal integrity.
✅ LM3886 IC: Renowned for high-fidelity sound with low distortion.
✅ Compact Design: Just 37mm x 61mm—fits easily in custom enclosures.
✅ Stable Power Supply: Supports ±20V to ±28V for flexible power options.
✅ Easy Installation: Clearly labeled input/output terminals for hassle-free wiring.
✅ High-Quality Components: Includes 100μF capacitors, robust resistors, and optimized circuitry for smooth performance.₨ 280 -
LA4440 BTL 19W+19W Stereo Amplifier PCB – High Power Dual Channel Audio Board
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🎵 Stereo Output: 19W + 19W power for crisp and balanced dual-channel sound.
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🔊 BTL Configuration: Increases output efficiency and sound clarity.
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🔧 Component Labels Printed: Easy-to-read silkscreen for hassle-free assembly.
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🔋 Wide Voltage Range: Compatible with 12V–18V DC input (regulated).
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🛠️ DIY Friendly: Ideal for electronics projects, learning kits, or audio repairs.
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📐 Compact Size: Efficient layout to fit into small speaker enclosures or custom builds.
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₨ 55 -
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PT2399 + Opamp 3-Volume Echo Sound PCB – Professional Grade Dual Supply Effects Board
✅ PT2399 + Opamp hybrid design
✅ Three dedicated volume controls
✅ Dual DC supply operation (±12V-±15V)
✅ Professional-grade audio quality
✅ Low-noise signal path
✅ Studio and stage ready
✅ Easy integration into existing gear
✅ Ideal for guitar/bass/vocal effects₨ 45 -
PT2399 Echo/Delay Sound Effect PCB – Professional Audio Effects Board for Guitar Pedals & DIY Projects
✅ PT2399 Echo/Delay Effect Circuit
✅ Compact and Easy-to-Assemble Design
✅ Labeled Component Layout (10K, 4K7, 100R, etc.)
✅ Adjustable Delay Time and Feedback
✅ Professional-Grade Audio Quality
✅ Low Noise Operation
✅ Works with 9V-12V Power Supply
✅ Perfect for Guitar Pedal Projects
✅ Includes All Critical Components
✅ Durable PCB Construction₨ 50 -
DC to DC & AC to DC Power Supply PCB – Fiber Board | 10000µF Capacitor Support | 10.3cm x 10.8cm
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✅ Dual Functionality – Supports both AC to DC and DC to DC input types
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✅ High-Capacity Filtering – Space for 4x 10000µF & 1x 4700µF capacitors
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✅ Voltage Regulator Ready – Supports LM7812 and similar ICs
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✅ Fiber-Based PCB – Durable and heat-resistant for long-term use
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✅ Clear Silk Screen Markings – Easy assembly with labeled positions
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✅ Large Size – Dimensions: 10.3 cm x 10.8 cm
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✅ Multiple Output Terminals – Regulated and unregulated outputs available
₨ 280 -
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D1047 70W Mono Audio Amplifier PCB – High Power Circuit Board for DIY Projects
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✅ Supports D1047 Transistor – Designed for high-power mono audio amplification
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✅ 70W Output Power – Great for home audio or custom speaker projects
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✅ Clear Silk Screen Layout – Easy identification of components for quick assembly
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✅ Heavy-Duty Copper Traces – Reliable current handling and durability
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✅ Integrated Rectifier Section – Includes space for 4x IN5400 diodes and 2x 2200µF capacitors
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✅ DIY Friendly – Perfect for electronics hobbyists and students
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✅ Compact Design – Space-saving layout without compromising performance
₨ 105 -
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150W Mono Amplifier PCB – High Power Output with 4 NPN/PNP Transistors
✅ 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₨ 105