The 2.1 Channel DIY Digital Amplifier Board is a high-performance audio solution designed for desktop and multimedia sound systems, delivering 15W x2 (left/right) + 30W (subwoofer) output power. It supports DC8-26V (recommended 20V laptop power) or AC7-18V input, ensuring compatibility with various power sources. The adjustable 130Hz bass crossover optimizes low-frequency response, while 1Vrms input sensitivity guarantees seamless connectivity to PCs, phones, or DACs.

Engineered for flexibility, it accommodates 4-8Ω speakers for stereo channels and 2-8Ω subwoofers, making it ideal for compact bookshelf speakers or full-range bass units. Its DIY-friendly design features labeled terminals for effortless wiring and integration into custom enclosures.

Perfect for upgrading computer speakers, it transforms weak factory audio into immersive stereo sound with deep, punchy bass. Gamers and movie enthusiasts will appreciate its ability to enhance positional audio and dynamic effects. Additionally, it serves as a cost-effective foundation for home theater setups or multimedia workstations, delivering professional-grade sound without bulk.

With its dual-voltage support, robust power output, and adjustable crossover, this amplifier board is a versatile choice for audiophiles and DIY hobbyists seeking to elevate their audio experience.

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Description

Dual Voltage 2.1 DIY Audio Amplifier | AC/DC Input 2x15W + 30W Subwoofer Module for Desktop Sound Systems

Product Advantages Summary

Optimized 2.1 Channel Power:
- Delivers 15W x2 (left/right) + 30W (subwoofer) for immersive stereo + deep bass, ideal for computer gaming, movies, or music.
- 130Hz adjustable crossover ensures seamless integration between satellites and subwoofer.
Flexible Power Input:
- Supports DC8-26V (recommended 20V laptop power) or AC7-18V, accommodating both modern and legacy power supplies.
- Input signal level: 1Vrms for compatibility with most audio sources (PCs, phones, DACs).
Speaker Compatibility:
- Left/right channels: 4-8Ω impedance for standard bookshelf or desktop speakers.
- Subwoofer channel: 2-8Ω impedance to drive compact or full-size subs.
DIY-Friendly Design:
- Pre-labeled terminals for easy wiring of speakers and power.
- Compact layout simplifies integration into custom enclosures or existing speaker systems.

Core Applications

Computer Speaker Upgrades:
- Replace weak factory amps in desktop 2.1 systems for louder, clearer audio with punchy bass.
Home Entertainment Systems:
- Build a budget-friendly mini home theater setup for small rooms or dormitories.
Gaming Audio Setup:
- Enhance positional audio in games with dedicated left/right channels and impactful subwoofer output.
Multimedia Workstations:
- Pair with monitors or TVs for professional video editing or streaming with balanced sound.