Material and build: The power amplifier uses an aluminum alloy housing for a stylish look that is durable and stable for long term use. Wide compatibility: This mini power amplifier supports multiple audio sources, including mobile phones, computers, TVs, projectors, and car audio systems, and can be easily connected to amplify audio signals. HiFi sound quality: It features HiFi stereo technology to preserve audio signal quality. It offers adjustable sound effects with independent and low frequency adjustment and a bass boost function. Easy installation: Designed for simple setup, it can be installed as a fixed installation or placed temporarily as needed. Use scenarios: Home theater or living room: connect to a TV or projector and speakers for enhanced, immersive sound. Desktop or portable audio: use with a computer or mobile device to improve music, gaming, and video audio. Car audio upgrade: integrate with a car audio system to boost overall sound quality on the road.