TDA7492P 4.0Audio Bluetooth Receiver Digital Amplifier Board 50W+50W Acrylic Box | eBay
Building a 2x25W Bluetooth 4.1 Amplifier TDA7492P : 5 Steps (with Pictures) - Instructables
Wireless Bluetooth Audio Receiver Digital Amp' Board
Carte D'amplificateur Bluetooth, TDA7492P 50W + 50W 2.1 Channel Subwoofer Amplifier Board, DC 8‑25V Home Sound Amp Board for DIY Wireless Speakers (Amplificateur de Puissance Bluetooth Unique) : Amazon.fr: High-Tech