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Bass Tone Mid & Treble Control – Precision Tone Shaping with TL074 Opamp
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High-quality TL074 Opamp for smooth, low-noise audio processing
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Precise 3-band EQ control: Bass, Mid, and Treble adjustments
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Compact and reliable design for easy integration
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Operates on dual power supply for stable, clean performance
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Ideal for guitar amplifiers, home audio systems, and studio gear
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Enhances sound clarity and fidelity for professional and DIY use
₨ 520 -
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Bass Tone Treble Control Board | Stereo Volume Controller Module | DC 12V Audio Preamp
- ✨ Full Audio Control – Adjust bass, treble, balance, and volume
- 🔊 Stereo Output – Dual channel sound processing
- 🎶 High Fidelity Sound – Clear, rich, and natural audio
- ⚡ Low Noise Circuit – Minimal distortion and interference
- 🎚️ Wide Frequency Range – Better sound tuning flexibility
- 🔧 DIY Friendly Design – Easy to integrate into projects
- 📦 Compact Size – Fits easily in any audio setup
- 🔌 Stable 12V Operation – Reliable performance
- 🛠️ Durable Build Quality – Long-lasting usage
- 📱 Wide Compatibility – Works with amplifiers, speakers, and audio systems
₨ 130 -
Bass Tone Treble Stereo Board SK165 Volume Control
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🎸 Heavy Bass Boost: Tailor your low-end frequencies for deep, powerful resonance.
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🎤 Vivid Treble Control: Enhance high-frequency clarity for crisp vocals and sharp instruments.
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⚖️ Precision Balance Knob: Perfectly align your stereo image between left and right speakers.
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🔊 Master Volume Control: Smooth, linear attenuation for total sound level management.
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🚀 Active Op-Amp Circuit: Uses high-performance operational amplifiers for superior signal gain.
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🔋 Dual Supply Stability: Engineered for 15V-0-15V DC input to maximize dynamic range.
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📉 Low Noise Distortion: High-quality filtering capacitors ensure a hum-free audio experience.
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📏 Compact PCB Footprint: Slim, efficient layout designed for easy mounting in any cabinet.
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🏗️ DIY Friendly Design: Clearly labeled input, output, and power terminals for quick soldering.
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✅ Professional Grade: Built with durable components to withstand continuous, high-heat operation.
₨ 335 -
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Bass Tone Treble Stereo SK198 Board Volume Control
- Bass Tone Treble kit Volume Control Module
- Better performance, the frequency band is wide and noise is very small
- Sound warm and distorted, high fidelity
- Working Voltage: DC 12V
- Tune type: Low/High Pitch/Balance/Volume
- Channel: Double channel (Stereo)
₨ 140 -
Bass Tone Treble Stereo SK199 Kit Board
- Bass Tone Treble kit Volume Control Module
- Better performance, the frequency band is wide and noise is very small
- Sound warm and distorted, high fidelity
- Working Voltage: DC 12V
- Tune type: Low/High Pitch/Balance/Volume
- Channel: Double channel (Stereo)
₨ 135 -
BC547 NPN Transistor
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Type: NPN Transistor (BC547)
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Maximum Collector Current (Ic): 100mA
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Maximum Collector-Emitter Voltage (Vce): 45V
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Power Dissipation: 500mW
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Low Noise Output: Ideal for audio amplification.
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TO-92 Package: Compact, easy-to-use design for breadboards and PCBs.
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Applications: Signal amplification, switching, audio processing, and general-purpose electronics.
₨ 5 -
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BC557 PNP Transistor
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Type: PNP Transistor (BC557)
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Maximum Collector Current (Ic): 100mA
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Maximum Collector-Emitter Voltage (Vce): 45V
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Power Dissipation: 500mW
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Low Noise Output: Suitable for audio amplification.
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TO-92 Package: Compact and easy to solder on PCBs.
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Applications: Amplification, switching, signal processing, and general-purpose electronics.
₨ 5 -
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BD139 NPN Transistor
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Type: NPN Transistor (BD139)
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Maximum Collector Current (Ic): 1.5A
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Maximum Collector-Emitter Voltage (Vce): 80V
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Power Dissipation: 12.5W (with proper heat sinking)
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High Gain: Ideal for power amplification applications.
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TO-126 Package: Ensures efficient heat dissipation.
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Applications: Audio amplification, power switching, motor control, and general-purpose electronics
₨ 11BD139 NPN Transistor
₨ 11 -
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BD140 PNP Transistor
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Type: PNP Transistor (BD140)
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Maximum Collector Current (Ic): 1.5A
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Maximum Collector-Emitter Voltage (Vce): 80V
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Power Dissipation: 12.5W (with proper heat sinking)
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High Gain: Ideal for power amplification and switching.
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TO-126 Package: Efficient heat dissipation for enhanced performance.
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Applications: Audio amplification, motor control, power switching, and general-purpose electronics.
₨ 11BD140 PNP Transistor
₨ 11 -
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Bluetooth Mp3 Player Kit USB, FM, AUX, BT Audio Circuit Module
- 1. Double decoding supports music in MP3/WMA/WAV format;
- 2. Support Bluetooth function;
- 3, with digital tube display;
- 4, support MMC / SD / MMA and other cards, support USB interface (U disk);
- 5, power failure memory function 24C02;
- 6, support 5-10 meters distance infrared remote control operation;
- 7, support for external audio input LINE IN (AUX);
- 8, support radio FM, receiving frequency band (87.5MHZ-108.0MHZ);
- 9, button: four buttons multi-directional control, MODE / previous song / play / pause / next song;
₨ 340 -
BMS 2S 20A 7.4V Li-Ion Battery Protection Board with Balance Function 🔋
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⚡ High-Level Protection: Protects against short-circuits, over-charge, over-discharge, and over-current.
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🔄 Balance Function: Maintains perfect charge balance between cells for longer battery life.
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🔋 High Current Capability: Supports max working current 20A, over-current protection up to 25A.
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🌡 Wide Temperature Range: Works in -10°C to 50°C environments.
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💡 Ultra-Low Power Draw: Static current <18µA, ensuring minimal energy loss.
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🛠 Compact & Easy to Install: Size 48.4 × 20.1 × 4mm, perfect for all DIY lithium battery projects.
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✅ Safe & Reliable: Low internal resistance (<7mΩ) for stable performance.
₨ 199 -
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BMS 2S 7.4V 8A Lithium Battery Protection Board – High Accuracy & Safe Charging
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🟢 High-accuracy voltage detection – Keeps your batteries safe & efficient
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🔴 3-stage over-current protection – Over-current 1, Over-current 2 & Short circuit
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🟡 MOSFET control – Smooth and safe charge/discharge
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🔵 Super low standby current – Less than 5µA for long-term storage
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🟣 Works in extreme temperatures – From -40°C to +50°C
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🟠 Compact & durable – 38×8×2 mm, resistance < 300mΩ, lifespan 50,000+ hours
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⚡ Repairable short circuit protection – Safe recovery after faults
₨ 140 -