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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 -
TDA2030/TDA2050 Mono Amplifier PCB – High Power 14W-32W Audio Board
1️⃣ Dual IC Support – Compatible with TDA2030 (14W) and TDA2050 (32W)
2️⃣ Premium 1000μF Capacitor – Ensures stable power and enhanced bass response
3️⃣ Low Distortion – <0.5% THD for clean audio reproduction
4️⃣ Wide Voltage Range – Works with ±12V to ±18V DC power supplies
5️⃣ Robust Construction – Thick copper traces for durability and heat dissipation
6️⃣ Compact Design – Space-efficient layout for easy integration
7️⃣ Clear Terminal Labeling – Simplified wiring for quick installation
8️⃣ Versatile Applications – Ideal for subwoofers, PA systems, and car audio
9️⃣ High-Quality Components – Professional-grade parts for reliable performance₨ 45 -
600W Mono Amplifier PCB – Compact Outdoor Audio Board w/ 4 NPN/PNP Transistors
✅ 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₨ 105 -
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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TDA7294 100W Mono Amplifier PCB – High-Power Audio Board for Professional Sound Systems
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🔊 High-Power Output: Delivers up to 100W RMS @ 4Ω and 70W @ 8Ω.
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💎 Premium Audio IC: Built around the trusted TDA7294 for high-fidelity performance.
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📐 Mono Channel Design: Ideal for subwoofers or dedicated speaker applications.
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🔋 Wide Voltage Support: Operates from ±25V to ±40V DC for flexible use.
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🧱 Professional PCB Layout: Engineered for optimal heat dissipation and reliability.
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🔧 Heavy-Duty Construction: Thick copper traces for improved power handling.
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🎵 Low Distortion: <0.1% THD ensures clean and detailed sound output.
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🔌 Input Sensitivity: Requires only 1V RMS for full power output.
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🛡️ Built-in Protections: Includes short-circuit, thermal, and mute/standby functions.
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🛠️ DIY & Pro Ready: Suitable for subwoofers, home theaters, and custom audio builds.
₨ 75 -
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ULTRA-POWER 300W MOSFET MONO AMPLIFIER PCB
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💎 Dual N-Channel Output: Utilizes two IRF240 MOSFETs for superior current handling and a rich, musical audio signature.
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⚡ High Power Delivery: Capable of pushing a massive 300 Watts RMS in mono configuration for high-impact sound.
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🔋 Wide Voltage Range: Optimized for Dual $56V$ DC operation, allowing for maximum dynamic range and headroom.
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🛠️ User-Friendly Silk Screen: Features ultra-clear component labeling, making it easy for hobbyists to populate and solder with zero errors.
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🌡️ Advanced Thermal Logic: Designed with dedicated mounting spaces for BD139 and MJE series driver transistors to manage heat effectively.
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🔊 Subwoofer Ready: The high current output makes it an ideal choice for driving large-diameter subwoofers with tight control.
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📐 Space-Saving Footprint: The pro-engineered $10\text{cm} \times 9\text{cm}$ PCB fits easily into standard amplifier chassis and heat sinks.
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🛡️ Premium Build Quality: Manufactured on a high-grade glass epoxy substrate for long-lasting durability and heat resistance.
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🔌 Flexible Inputs: Includes dedicated pads for Audio Input, Ground, and Speaker Output for clean and easy wiring.
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🏗️ Heavy-Duty Support: Supports large-wattage ceramic resistors and high-voltage electrolytic capacitors ($80V$) for stable performance.
₨ 150 -
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DIY Bass Treble Tone Control PCB Board – High-Quality Audio Preamp Circuit
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Complete Tone Control: Includes dedicated mounting points for Bass, Treble, and Balance potentiometers to customize your sound output.
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Clearly Labeled Silkscreen: All component values (e.g., 1K, 10K, 10uF) and polarities are printed directly on the board for error-free assembly.
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Standard Component Support: Designed to use common, easy-to-find components like C945 transistors and standard resistors.
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Dual Input/Output Design: Features designated Input and Output solder pads for easy integration between your audio source and amplifier.
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Compact JML 09 Design: A space-saving layout that fits easily into custom amplifier chassis or project boxes.
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Wide Supply Range: Includes a dedicated Supply section (+/-) for powering the preamp circuit.
₨ 50 -
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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 -
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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PRO-SERIES 200W D1047 STEREO AMPLIFIER PCB
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🔊 Dual-Channel Stereo: Complete Left and Right channel amplification on a single, high-quality board.
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💎 Quad D1047 Power: Utilizes four D1047 NPN transistors for a balanced and punchy output.
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⚡ 200W Total Power: Delivers 100W per channel, perfect for 8-inch to 10-inch home speakers.
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📏 Extended PCB Design: Large 14.6cm x 8cm layout provides better airflow and easier soldering.
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🛠️ Error-Proof Assembly: All component values are printed directly on the board for a “no-manual” assembly experience.
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🌡️ Integrated Heat Management: Linear transistor alignment allows for direct mounting to a single aluminum heat sink.
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🔋 Efficient Voltage Range: Optimized for 25V-0-25V AC input, making it compatible with standard 5A-7A transformers.
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🛡️ Built-in Power Section: Features dedicated slots for large filter capacitors ($4700\mu F$ or higher) for hum-free audio.
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🔌 Versatile Connectivity: Separate pads for Ground (GND), Speaker Out (SP), and Audio Input (IN) for clean wiring.
₨ 110 -
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Single Side Veroboard – Straight Line Style – 24 Lines (6.5cm x 14.5cm)
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✅ Board Style: Straight Lines – Ideal for clean and structured circuit routing
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✅ Lines: 24 Copper Tracks
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✅ Size: 6.5cm x 14.5cm – Perfect for most prototyping needs
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✅ Material: Durable FR2 Phenolic Laminate with Single Side Copper Coating
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✅ Hole Pitch: 2.54mm – Standard spacing for through-hole components
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✅ Hole Diameter: ~1mm – Fits most component leads
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✅ Applications: Prototyping, DIY projects, academic experiments, small circuits
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✅ User-Friendly: Easy to cut, drill, and solder
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✅ Brand: Shehzad Electronics – Trusted quality for electronics components
₨ 90 -
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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











