TRA3116 Hi-Fi Stereo Digital Amplifier BT 5.4 Dual Channel Stereo Digital Amplifier 3 Input Modes for Speaker Subwoofer. Amplifier chip: TRA3116. Sturdy Zinc Alloy Shell: Our hi-fi stereo digital amplifier boasts a high-end zinc alloy casing that resists corrosion and oxidation, ensuring longevity and premium look.
eBay