Fosi Audio BT30D Bluetooth 5.0 Stereo Amplifier 2.1 Channel Bass & Treble Control Integrated Amp Audio Subwoofer 50W x2 + 100W Features: The Bluetooth Stereo Amplifier adopt performance 2pcs texas instrumentTPA3116D2amp chip, 2pcsNE5532op amp chippest, QualcommQCC3003Bluetooth 5.0 Module, dual channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible [...]