Differential Amplifier Board 2X10W Digital Class D Audio Amplifier HT8697 3.68.5V Differential Input The Differential Amplifier Board uses the HT8697 digital Class D audio amplifier to deliver stereo power from a compact, boardlevel module. With a supply range of 3.6 to 8.5 V and differential input, this board is designed for efficient, lowheat operation in batterypowered audio applications while providing up to 10 W per channel of output. Key benefits Efficient, lowheat amplification: Digital Class D architecture provides efficiency, helping to extend battery life in portable devices and reduce thermal requirements in compact enclosures. Noiseresistant signal path: Differential input reduces noise and interference from wiring and surrounding circuitry, improving audio clarity in realworld installations. output capability: 2 channels with up to 10 W per channel, enabling strong stereo playback from a compact module. Flexible power options: Operates on a wide 3.6–8.5 V supply, making it suitable for single or multicell Liion configurations and other lowvoltage power sources. Readytointegrate design: A compact board built around the HT8697 IC, designed for straightforward integration into DIY projects, prototypes, and compact consumer devices. Key attributes Model and type: HT8697 based differential input digital Class D audio amplifier on a differential amplifier board. Output: 2 x 10 W per channel (up to 10 W per channel into suitable speaker loads). Input: Differential input for balanced signal connections and improved rejection of noise. Power range: 3.6–8.5 V supply suitable for batterypowered operation. Configuration: Differential input configuration on a compact board suitable for stereo audio applications. Construction: Boardlevel module designed for easy mounting and integration into enclosures and projects. Compatibility: Intended for use with differential audio sources and standard audio signal chains, suitable for prototyping and smallscale production. Use cases and applications Portable Bluetooth or multimedia speaker: Power and drive a stereo pair from a single battery supply (3.6–8.5 V), using differential inputs from a DAC or audio processing module to achieve clear, efficient stereo sound with reduced heat in a compact package. DIY microcontroller audio projects: Connect a DAC or other differential audio source to the board to create a compact stereo amplifier for hobbyist projects, demonstrations, or educational kits, with efficient Class D operation suitable for batterypowered setups. Small home audio enhancements or retrofits: Add stereo amplification to compact enclosures, sound bars, or custom audio installations where space and power efficiency are important, while maintaining reliable, scalable performance from a lowvoltage supply. Notes for implementation Ensure a proper differential source and correct wiring to preserve the benefits of the differential input. Provide appropriate decoupling and stable power to maintain performance across the 3.6–8.5 V range. Match speaker impedance and wiring to the board's output capabilities to achieve the stated perchannel power delivery. When integrating into a project, verify mechanical fit and enclosure clearance to maximize thermal management and airflow around the board. This description preserves the brandspecific details and features of the product: a 2X10W digital Class D amplifier using the HT8697 with a 3.6–8.5 V differential input configuration, designed for applications that require efficient, quality stereo amplification in compact, batterypowered form factors.