Amplifier Chip: TPA3116 Input mode: AUX SNR: 92 dB Channels: Mono Key benefits Simple mono amplification from an AUX source to a single speaker channel This setup provides a straightforward path from an analog AUX source to audible output through one channel. Clear audio with low noise SNR of 92 dB helps preserve detail and reduces noise in the amplified signal. Easy integration with common devices Designed to accept AUX input from typical audio sources such as phones, laptops, or media players. Suitable for compact DIY projects and speaker upgrades A practical choice for upgrading small speakers or building compact mono audio solutions without multiple channels. Consistent mono output for predictable performance Mono channel delivery ensures uniform sound characteristics in singlespeaker configurations. Use scenarios DIY desk or portable mono speaker Connect a smartphone or laptop via AUX to drive a compact mono speaker for listening or desk setups. Upgrading existing speakers Retrofit an older or simple speaker with this mono amplifier to achieve an improved, dedicated amplification path from an AUX source. Educational or prototyping environments Use in classrooms or maker spaces to demonstrate analog audio amplification from an AUX input and study mono signal behavior.