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Low Pass Filter PCB β Precision Bass Management for Pro Audio & DIY Projects
β Β Optimized for 12V SystemsΒ β Perfect for car audio and portable applications
β Β Studio-Grade FilteringΒ β Sharp cutoff slope for precise frequency control
β Β Plug-and-Play DesignΒ β Pre-wired terminals for quick installation
β Β Multi-Layer ProtectionΒ β Built-in safeguards against voltage spikes
β Β Compact 50x50mm SizeΒ β Fits in tight amplifier enclosures₨ 38 -
TDA2030/TDA2050 Mono Amplifier PCB – High Power 14W-32W Audio Board
1οΈβ£Β Dual IC SupportΒ – Compatible with TDA2030 (14W) and TDA2050 (32W)
2οΈβ£Β Premium 1000ΞΌF CapacitorΒ – Ensures stable power and enhanced bass response
3οΈβ£Β Low DistortionΒ – <0.5% THD for clean audio reproduction
4οΈβ£Β Wide Voltage RangeΒ – Works with Β±12V to Β±18V DC power supplies
5οΈβ£Β Robust ConstructionΒ – Thick copper traces for durability and heat dissipation
6οΈβ£Β Compact DesignΒ – Space-efficient layout for easy integration
7οΈβ£Β Clear Terminal LabelingΒ – Simplified wiring for quick installation
8οΈβ£Β Versatile ApplicationsΒ – Ideal for subwoofers, PA systems, and car audio
9οΈβ£Β High-Quality ComponentsΒ – Professional-grade parts for reliable performance₨ 45 -
600W Mono Amplifier PCB – Compact Outdoor Audio Board w/ 4 NPN/PNP Transistors
β Β 600W Mono OutputΒ β Powerful sound for outdoor/stage use
β Β 4 NPN/PNP TransistorsΒ β Enhanced durability and clarity
β Β Ultra-Compact (8.5cm x 7.6cm)Β β Space-saving design
β Β Outdoor-ReadyΒ β Resists heat and environmental stress
β Β Low-DistortionΒ β Clean audio even at high volumes
β Β VersatileΒ β 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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π Triple Output: Delivers 18W x 2 (stereo) + 36W (subwoofer) for powerful 2.1 channel audio.
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π Dual AC Power Support: Compatible with 12V-0-12V to 15V-0-15V transformer input.
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ποΈ Dual IC Compatibility: Supports both TDA2030 (warmer sound) and LM1875 (cleaner highs).
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π΅ BTL Technology: Enables efficient 36W subwoofer output with deep, punchy bass.
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π Low Distortion: Less than 0.2% THD ensures crystal-clear sound reproduction.
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β‘ Stable Power Handling: Performs consistently across varying input voltages.
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π‘οΈ Low-Noise Design: Carefully routed layout reduces interference and hum.
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πͺ Robust PCB: Thick copper layers ensure better heat dissipation and longevity.
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π§° Plug-and-Play: Clearly labeled component and terminal markings for easy assembly.
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π 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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π High-Power Output: Delivers up to 100W RMS @ 4Ξ© and 70W @ 8Ξ©.
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π Premium Audio IC: Built around the trusted TDA7294 for high-fidelity performance.
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π Mono Channel Design: Ideal for subwoofers or dedicated speaker applications.
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π Wide Voltage Support: Operates from Β±25V to Β±40V DC for flexible use.
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π§± Professional PCB Layout: Engineered for optimal heat dissipation and reliability.
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π§ Heavy-Duty Construction: Thick copper traces for improved power handling.
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π΅ Low Distortion: <0.1% THD ensures clean and detailed sound output.
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π Input Sensitivity: Requires only 1V RMS for full power output.
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π‘οΈ Built-in Protections: Includes short-circuit, thermal, and mute/standby functions.
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π οΈ 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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π Dual N-Channel Output: Utilizes two IRF240 MOSFETs for superior current handling and a rich, musical audio signature.
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β‘ High Power Delivery: Capable of pushing a massive 300 Watts RMS in mono configuration for high-impact sound.
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π Wide Voltage Range: Optimized for Dual $56V$ DC operation, allowing for maximum dynamic range and headroom.
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π οΈ 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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π‘οΈ Advanced Thermal Logic: Designed with dedicated mounting spaces for BD139 and MJE series driver transistors to manage heat effectively.
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π Subwoofer Ready: The high current output makes it an ideal choice for driving large-diameter subwoofers with tight control.
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π 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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π‘οΈ Premium Build Quality: Manufactured on a high-grade glass epoxy substrate for long-lasting durability and heat resistance.
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π Flexible Inputs: Includes dedicated pads for Audio Input, Ground, and Speaker Output for clean and easy wiring.
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ποΈ 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 β 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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Multi Output Bridge Rectifier PCB β 15V+15V, 5V, 12V DC Power Supply Board | 11cm x 6.5cm
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β Supports regulated DC outputs: 15V+15V, 5V, and 12V.
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π Ideal for powering amplifier boards, microcontrollers, and lab projects.
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π Uses IN4007 diodes for full-wave bridge rectification.
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βοΈ Includes mounting for 7812 and 7805 voltage regulators.
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π§ Designed to support TIP41C and TIP42C power transistors.
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π Clearly marked silkscreen for easy identification of components.
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π§² Equipped with positions for filter capacitors (up to 2200Β΅F / 35V).
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β‘ Compatible with center-tapped transformer AC input.
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π§° Strong PCB layout for high current and heat dissipation.
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π Compact size: 11cm x 6.5cm, great for small enclosures.
₨ 150 -
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PT2399 + Opamp 3-Volume Echo Sound PCB – Professional Grade Dual Supply Effects Board
β PT2399 + Opamp hybrid design
β Three dedicated volume controls
β Dual DC supply operation (Β±12V-Β±15V)
β Professional-grade audio quality
β Low-noise signal path
β Studio and stage ready
β Easy integration into existing gear
β Ideal for guitar/bass/vocal effects₨ 45 -
2000W High-Power Bridge Rectifier PCB β Fiber-Based AC/DC Conversion Board (16.6cm x 7.6cm)
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2000W Power HandlingΒ β Robust performance for heavy-load applications
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Fiber-Based ConstructionΒ β Superior heat resistance and longevity
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Optimized LayoutΒ β Low-EMI design with efficient heat dissipation
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Standard DimensionsΒ β 16.6cm Γ 7.6cm for easy retrofitting
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Industrial ComplianceΒ β Meets power electronics safety standards
Technical Specifications:
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Model:Β N-050523D
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Input:Β AC (configurable voltage range)
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Output:Β DC with high-current capacity
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Mounting:Β Through-hole/Screw terminal compatible
₨ 290 -
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LA4440 BTL 19W+19W Stereo Amplifier PCB β High Power Dual Channel Audio Board
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π΅ Stereo Output: 19W + 19W power for crisp and balanced dual-channel sound.
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π BTL Configuration: Increases output efficiency and sound clarity.
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π§ Component Labels Printed: Easy-to-read silkscreen for hassle-free assembly.
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π Wide Voltage Range: Compatible with 12Vβ18V DC input (regulated).
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π οΈ DIY Friendly: Ideal for electronics projects, learning kits, or audio repairs.
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π 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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π Dual-Channel Stereo: Complete Left and Right channel amplification on a single, high-quality board.
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π Quad D1047 Power: Utilizes four D1047 NPN transistors for a balanced and punchy output.
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β‘ 200W Total Power: Delivers 100W per channel, perfect for 8-inch to 10-inch home speakers.
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π Extended PCB Design: Large 14.6cm x 8cm layout provides better airflow and easier soldering.
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π οΈ Error-Proof Assembly: All component values are printed directly on the board for a “no-manual” assembly experience.
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π‘οΈ Integrated Heat Management: Linear transistor alignment allows for direct mounting to a single aluminum heat sink.
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π Efficient Voltage Range: Optimized for 25V-0-25V AC input, making it compatible with standard 5A-7A transformers.
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π‘οΈ Built-in Power Section: Features dedicated slots for large filter capacitors ($4700\mu F$ or higher) for hum-free audio.
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π Versatile Connectivity: Separate pads for Ground (GND), Speaker Out (SP), and Audio Input (IN) for clean wiring.
₨ 110 -











