Mini HIFI Stereo Power Amplifier Board 20W+20W 2CH DIY
Mini HIFI Stereo Power Amplifier Board 20W+20W 2CH DIY
Mini HIFI Stereo Power Amplifier – Big Sound in a Compact Package
Upgrade your audio setup with this compact yet powerful Mini HIFI AUX Power Amplifier. Engineered for DIY audio enthusiasts and home sound system builders, this dual-channel amplifier board delivers clean, full-bodied stereo output with ultra-low distortion — making every listening session a pleasure.
Key Features
- Dual Channel (2CH) Output: Dedicated left and right channel speaker interfaces for true stereo sound.
- Ultra-Low Distortion: 0.01% THD ensures cleaner, clearer, and more powerful audio reproduction.
- 20W + 20W RMS Power: Punchy, room-filling output suitable for bookshelf speakers and DIY speaker builds.
- Wide Frequency Response: 20Hz–20kHz covers the full audible spectrum for rich highs and deep lows.
- High SNR (>90dB): Minimal background noise for a cleaner listening experience.
- Durable Aluminum Alloy Housing: Thick, sturdy construction dissipates heat efficiently and adds longevity.
- Blue LED Volume Knobs: Large, backlit knobs add a stylish aesthetic — functional and decorative.
- Compact Dimensions: Approximately 125×75×40mm (4.92×2.95×1.57in), ideal for desktop or integrated setups.
Specifications
| Material | Aluminum Alloy |
| Dimensions | ~125×75×40mm / 4.92×2.95×1.57in |
| Input Voltage | DC 12V |
| RMS Power | 20W + 20W |
| Peak Power | 200W + 200W |
| Channels | 2CH (Stereo) |
| Load Impedance | 4–16Ω |
| Distortion Rate | 0.01% |
| Signal-to-Noise Ratio | >90dB |
| Frequency Response | 20Hz–20kHz |
| Color | Black |
| Weight | 210g |
Package Includes
- 1× Mini HIFI AUX Power Amplifier
- 1× User Manual
Note: Accessories shown in product images are for illustration purposes only and are NOT included.
Made in Mainland China.
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Learn more: Audio power amplifier
Frequently Asked Questions
Q: What input voltage does this mini stereo power amplifier require?
A: This HIFI power amplifier board operates on a DC 12V input. Please ensure you use a compatible 12V DC power supply (not included) for safe and optimal performance.
Q: What speaker impedance is compatible with this amplifier?
A: The amplifier supports speaker load impedances ranging from 4Ω to 16Ω, making it compatible with most standard home audio and DIY speaker builds.
Q: Is this a complete audio system or just the amplifier board?
A: This package includes only the Mini HIFI AUX Power Amplifier unit and a user manual. Speakers, power supply, and other accessories shown in product images are not included and must be sourced separately.
Q: Can this amplifier be used for a DIY home audio project?
A: Absolutely! With its compact size, dual-channel stereo output, blue LED knobs, and low-distortion performance, this amplifier is an excellent choice for DIY audio builds, desktop speaker setups, and home sound system projects.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.