Bluetooth 5.0 High Power Amplifier Audio Amplifier Tda7850 High Power 4x50w
4-Channel Output Power Amplifier Board TDA7850 High Power Audio Amplifier 4 50W. Audio Amplifier. Signal to noise ratio Audio amplification. Output power 50W 2 + 50 2 (4 Ω). Chip type: Class A and B.