Compatible exclusively with the Nintendo Game Boy Advance (GBA) console. This amplifier is not designed for use with Game Boy Pocket (GBP) or Game Boy Color (GBC) systems. Key Features: Designed specifically for GBA for fit and reliable performance. Delivers 200300 percent louder sound compared to the original GBA volume levels, providing a significant audio boost. Low power consumption ensures longer battery life without compromising audio quality. Amplifies all audio output from the console, including gameplay music, sound effects, and system tones. Requires basic soldering skills and tools for installation. Compatible with a separate 23mm 1 watt speaker (sold separately) for results. Practical Applications: 1. Ideal for retro gaming enthusiasts who want a richer, louder audio experience on their original GBA hardware without affecting portability. 2. for players who game in noisy environments and need improved sound clarity and higher volume levels. 3. Useful for custom GBA modification projects, allowing you to upgrade sound performance while preserving the authenticity of the console. Specifications: Compatibility: Nintendo Game Boy Advance only Volume Increase: 200300 percent above stock levels Power Usage: Low power consumption for extended play time Speaker Requirement: 23mm diameter, 1 watt (sold separately) Installation: Requires basic soldering skills and tools This amplifier is a practical and proven upgrade for GBA owners seeking dependable, enhanced audio output. It is engineered for easy integration into the console and offers a balanced combination of volume improvement and efficiency.