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PT2399 Karaoke Echo Pre-Amplifier Board – Dual Microphone Input with Bass & Tone Control – Sammar Electronics Professional Reverb Kit
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🎤 Dual Microphone Support: Features two dedicated mic ports for group performances and professional duets.
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✨ Legendary PT2399 Echo: Powered by the original processing chip for the standard echo effect found in professional DVD players.
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🎛️ 5-Knob Precision Control: Take full command with individual knobs for Mic Volume, Echo, Bass, Tone, and Aux Music Volume.
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⚡ High-Fidelity Pre-Amp: Equipped with JRC4558 dual op-amps for clean, powerful signal processing and minimal noise.
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🎶 Independent Mixing: Seamlessly blend your vocals with background music using the Independent Aux Volume control.
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🔄 Customizable Reverb: The onboard Echo CTRL knob allows you to fine-tune the delay time for a custom acoustic feel.
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📱 Universal Aux Input: Easily connect your Phone, PC, or CD player as a music source via the standard input pads.
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🏗️ Sammar Electronics Build: Precision-manufactured (Model SK177) with high-grade components for industrial-level durability.
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🛡️ Low Noise Floor: Engineered with advanced filtering to ensure a pure signal path free from background hum.
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📦 DIY Karaoke Ready: The perfect core module for building Custom Karaoke Machines, PA Systems, and Home Theaters.
₨ 760 -
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TEA2025B Stereo Audio Amplifier Board – 6W + 6W Dual Channel High-Fidelity Sound Kit – Integrated Bass & Treble Tone Control – Sammar Electronics Premium Edition
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🔊 Dual Stereo Punch: Delivers a balanced 6W + 6W output, perfectly optimized for driving 4-ohm or 8-ohm speakers with clarity.
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🎛️ Total Audio Sculpting: Onboard knobs for Bass, Treble, and Volume give you full control over your acoustic environment.
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🎶 Soft-Clipping Technology: Built-in circuitry preserves sound quality by smoothing out signals during high-volume peaks.
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⚡ Dual Power Versatility: Supports 9V AC (Transformer) or 9V–12V DC (Battery/Adapter) for maximum installation flexibility.
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🔇 Pure Signal Path: Features a massive 2200uF filter capacitor to eliminate background noise and AC hum.
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❄️ Advanced Thermal Safety: Includes a pre-installed aluminum finned heatsink and internal thermal shutdown protection.
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🌌 High Channel Separation: Engineered for a wide, immersive soundstage with distinct Left and Right audio channels.
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🏗️ Sammar Electronics Quality: Built on a robust PCB with professional-grade components for long-term reliability.
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🛠️ Hobbyist-Friendly Setup: Features clearly labeled solder pads for R-G-L Input and Speaker Outputs for fast wiring.
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📦 All-In-One Solution: The ideal core for DIY Desktop Speakers, PC Sound Systems, and Portable Audio Gear.
₨ 525 -
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D1047 High-Power 70W Mono Transistor Audio Amplifier Board – Class AB Professional Series – 25V AC Powered Heavy-Duty Sound Kit
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🔊 70W High-Power Output: Delivers a powerful mono signal, specifically designed for driving heavy-duty speakers.
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🏗️ D1047 Transistor Core: Utilizes premium high-current transistors for consistent professional performance.
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📉 Class AB Efficiency: Combines the high-fidelity sound of Class A with the efficiency of Class B for over 80% power efficiency.
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📏 Optimized for 10-Inch Drivers: Specifically tuned to provide the best response for 10-inch speakers and 8-inch cabinets.
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⚡ Stable A.C. Input System: Designed for 25V+25V 6A AC power supplies to ensure a steady and hum-free audio experience.
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🎸 Full Frequency Range: Covers everything from 20Hz to 2000Hz, delivering deep, punchy bass and rich mids.
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❄️ Heavy-Duty Cooling: Features a large, high-surface-area aluminum finned heatsink to prevent thermal throttling.
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🔗 Easy Integrated Connections: Clearly labeled board for Speaker Ground, Audio Input, and A.C. Power for fast wiring.
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🛡️ Wide Impedance Range: Supports a variety of speaker configurations from 4$\Omega$ to 8$\Omega$ with ease.
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🛠️ DIY Enthusiast Friendly: The ideal core component for building Subwoofers, Home Audio Upgrades, or Portable PA Systems.
₨ 690 -
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TEA2025 2.1 Channel 6W+6W+10W Audio Amplifier Board
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🚀 TRUE 2.1 CHANNEL SOUND: Delivers dedicated power to Left and Right speakers (6W each) plus a robust 10W Subwoofer output.
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🧠 ADVANCED TEA2025B CHIP: Utilizes the high-efficiency TEA2025B amplifier chip for reliable, high-quality audio performance.
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🔌 DUAL POWER INPUTS: Highly flexible power options; supports either AC 6V or DC 6V–9V input.
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🎛️ DUAL ON-BOARD CONTROLS: Comes equipped with high-quality potentiometers to independently adjust Woofer Volume and Main Amplifier Volume.
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🏗️ STURDY COMPONENT BUILD: Features large aluminum heat sinks to ensure the amplifier stays cool during peak performance.
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🔊 WIDE SPEAKER COMPATIBILITY: Perfectly matched for 4–8 Ohm speakers and subwoofers ranging from 3 to 5 inches.
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🚨 BUILT-IN POWER INDICATOR: Includes a vibrant red LED to show at a glance when the system is powered on and ready to play.
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🛠️ USER-FRIENDLY CONNECTIONS: Features a clearly labeled PCB for “Audio Input,” “Speakers Output,” and “Woofer Output,” making DIY installation a breeze.
₨ 595 -
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D1047 Audio Stereo Transistor Amplifier Circuit kit 70+70 Watts Class AB Board
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🔊 MASSIVE 140W STEREO OUTPUT – Delivers a powerful 70W + 70W across two channels, providing enough energy to fill large rooms with immersive sound.
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🎼 CLASS AB FIDELITY – Combines the efficiency of Class B with the low distortion of Class A, ensuring a smooth, natural audio response.
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⚡ HIGH-EFFICIENCY POWER – Operates at over 80% power efficiency, meaning more energy goes to your music and less is wasted as heat.
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🏗️ ROBUST THERMAL DESIGN – Equipped with four individual aluminum heat sinks to keep the high-power transistors cool during extended use.
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📉 WIDE FREQUENCY RANGE – Supports a broad response from 20Hz to 2000Hz, capturing everything from deep sub-bass to clear mid-tones.
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🔌 DUAL AC POWER INPUT – Optimized for high-performance transformers with a recommended supply voltage of 25V + 25V AC.
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📻 VERSATILE IMPEDANCE – Perfectly compatible with speakers ranging from 4Ω to 8Ω, giving you the flexibility to use a variety of cabinet types.
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🛠️ EASY CONNECTIONS GUIDE – Features clearly labeled onboard points for Audio Input, Speaker Output, and AC Power, making DIY installation a breeze.
- Frequency response: 20Hz to 2000Hz
- Speakers size: 8 to 10 inches (10 inches recommended)
₨ 1,050 -
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TPA3110 XH-A232 30W+30W 2.0 Channel Digital Stereo Audio Power Amplifier Board DC 8-26V 3A
- Chip: TPA3110
- Condition:XH-A232
- Supply Voltage:DC8V-26V
- Dissipation Power:30W+30W
- Size:53*45*14mm
- Channels:2 (2.0)
- Output impedance:4-8ohm
- Current: more than 3A
- Signal to noise ratio: 100db
- Weight:21g
₨ 425 -
MP3 Bluetooth Stereo amplifier XY-BT-mini Circuit Board Module
- Model Number: MP3 Bluetooth Decoder Board
- Power Supply: 3.7-5V
- SNR: 90dB
- THD + N: -70dB
- Crosstalk: -86dB
- DNR: 91dB
- Support Profile: A2DP / AVCTP / AVDTP / AVRCP / HFP
- LOS:more than the 15m
- USB powered Universal Micro- USB 5V power supply
- 3.7-5V Supply Pad External 3.7-5V lithium battery power conversion
- LED indicator Bluetooth mode long blue light
- 3.5mm stereo o interface Standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices
- Color:Red, Black
- Material:PC + Metal
₨ 250 – ₨ 270 -
TDA2030A 15W Mono Audio Amplifier Board Module
- On-board audio amplifier chip TDA2030A
- Mono 15W Amplifier Circuit Design
- On-board speaker terminal block
- On-board 10K adjustable resistance, you can adjust the amplified volume
- Onboard power indicator
- The main board have pins leads, you can directly input audio signal (GND, IN)
- The working voltage: 6 ~ 15V
- Board size: 32 (mm) x24 (mm)
₨ 195 -
Audio Transistor Stereo Amplifier Circuit kit 45+45 Watts Class AB Board
- Product Name:Stereo Audio Amplifier Circuit kit
- Chip Type: Class AB
- Supply voltage: 25+25 VOLTS AC
- Output channel: 2 channel Stereo
- Output power: 45W+45W
- Power efficiency: over 80%
- Impedance: 4Ω to 8Ω (Use 4Ω for Double Power)
- Frequency response: 20Hz to 2000Hz
- Speakers size: 6 to 8 inches (8 inches recommended)
- Size: 14.5*11*4cm
₨ 650 -
60W PBTL Mono Digital Amplifier Board | TPA3118 Class D Audio Module (8–21V DC)
🔊 60W Powerful Output – Strong mono audio performance
⚡ TPA3118 Chipset – High-quality and efficient audio processing
🔋 Wide Voltage Range (8–24V) – Flexible power options
🎯 High Efficiency (Up to 90%) – Low heat and energy saving
🎵 Wide Frequency Response – Clear highs and deep bass
🧩 Compact Size – Easy to fit in small audio projects
🛠 Easy Installation – Simple wiring and setup
🔄 Supports 2–8Ω Speakers – Wide compatibility
🌍 DIY Friendly – Ideal for hobbyists and professionals
💎 Stable & Reliable Performance – Consistent sound output₨ 470 -
TDA2030 2.1 Channel 54 Watts Audio Amplifier Board Subwoofer
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🎵 2.1 Channel Output – Stereo (18W+18W) + Subwoofer (18W)
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🔧 High-Quality Chipset – TDA2030 for output stage, JRC4558 for bass filtering
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⚡ Input Supply – Operates on 12-0-12V AC (Requires at least 4A transformer)
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🔊 Powerful Bass Output – Low-pass filter enhances subwoofer performance
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🧲 Speaker Compatibility –
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Subwoofer: 4-6″, 4-6Ω, 20W
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Left/Right: 3-4″, 4-8Ω, 10-25W
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🔁 High Efficiency – Over 90% power efficiency
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📦 Compact Size – 11 × 6.5 × 4 cm, fits easily in enclosures
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📈 Frequency Response –
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Full-range: 20Hz – 2kHz
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Subwoofer: 20Hz – 250Hz
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₨ 760 -
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PAM8403 5V Power Audio Amplifier Board Module 2 Channel 3W + 3W Volume Control
- Model: PAM8403 amplifier module.
- With power ON-OFF & volume control button.
- Good sound quality
- Super mini design allows it to be easily placed in a variety of digital products.
- Filterless, Low Quiescent Current and Low EMI
- Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power
- Battery power can also be used 3-5V
- Can provide 3W (left channel) + 3W (right channel) output power into a 4Ω or 8Ω speaker load and 5V power supply
- CMOS class D amplifier design for high efficiency and low cost
₨ 195













