The KEMO M031N Universal Amplifier Kit is a compact, low-voltage audio amplifier designed to provide clear and reliable sound amplification for a wide variety of electronic and DIY audio applications. Delivering up to 3.5 Watts of music power, this versatile amplifier is suitable for driving 4 to 16 Ohm loudspeakers, making it an excellent choice for portable audio systems, educational projects, hobby electronics, intercoms, alarms, and custom sound installations.
Designed for operation from a 4.5 to 12V DC power supply, the M031N offers excellent flexibility for both battery-powered and DC-powered applications. Its low operating voltage makes it ideal for portable equipment, automotive electronics, robotics, model engineering projects, and embedded audio systems where compact size and efficient performance are essential.
With an input sensitivity of less than 80mV, the amplifier can easily be connected to a wide range of audio sources, including microphones with suitable preamplification, MP3 players, audio modules, radios, signal generators, communication equipment, and other low-level audio devices. The amplifier faithfully reproduces audio across a broad 40Hz to 20kHz frequency response, delivering balanced sound with clear speech reproduction and detailed music playback.
The compact PCB measures only 40 × 40 × 12 mm, allowing the amplifier to be easily integrated into space-constrained enclosures and electronic projects. Its straightforward design also makes it an excellent educational kit for students learning about analogue audio amplification, electronic assembly, and soldering techniques.
The KEMO M031N is suitable for a wide range of applications, including portable speakers, desktop audio systems, electronic toys, communication equipment, public announcement projects, sound effects modules, educational demonstrations, and custom electronic devices requiring dependable low-power audio amplification.
Easy to assemble and highly versatile, this amplifier kit is an excellent addition to any electronics workbench, providing dependable audio performance for hobbyists, makers, technicians, and students alike.
Features:
- Compact universal audio amplifier DIY kit.
- Delivers up to 3.5W music output power.
- Compatible with 4 to 16 loudspeakers.
- Operates from a low-voltage 4.5-12V DC power supply.
- Wide frequency response for clear speech and music reproduction.
- High input sensitivity for connection to various audio sources.
- Ideal for portable and battery-powered applications.
- Compact PCB for easy installation in electronic projects.
- Excellent for learning audio amplifier circuit design and assembly.
- Suitable for DIY electronics, robotics, alarms, intercoms, and portable audio systems.
- Reliable performance with low power consumption.
- Easy-to-build kit for hobbyists, students, and electronics enthusiasts.
Specifications:
- Product: Universal Audio Amplifier Kit
- Model: M031N
- Brand: KEMO
- Function Group: Audio / Amplifiers
- Output Power: Maximum 3.5W Music Power
- Operating Voltage: 4.5-12V DC
- Speaker Impedance: 4-16
- Input Sensitivity: <80mV
- Frequency Response: 40Hz-20kHz
- Dimensions: Approximately 40 × 40 × 12 mm
- Applications: Portable Audio Systems, DIY Speakers, Educational Projects, Intercoms, Alarm Systems, Robotics, Electronic Toys, Sound Modules, General Audio Amplification
What's in the box
1 x KEMO M031N 3.5W Universal Audio Amplifier Kit for 4-16 Speakers DC
