Effects & Peripherals -Digital Highlights Generic Brand Digital Description: Adopt TPA3116 and CSR4.0 Bluetooth module The circuit board adopts 1.6mm thick double-sided foil, 2.0 copper thickness oz, and the whole process of tin spraying ensures the good current-passing performance. Fully dust-proof potentiometer for even more stable performance High-current inductors for red and gray sound rings, ensuring crisp and powerful sound This machine uses an all-aluminum chassis Input mode includes Bluetooth and analog input. When two modes are input simultaneously, Bluetooth input is prioritized. When analog input is required, please turn off the Bluetooth function of the mobile phone to switch it. specification: Working method: Class D Quiescent current: 50mA Working efficiency: 90% Rated output power: 100W+2*50W Frequency response: 20Hz to 20KHz Working voltage: DC18V to DC24V Maximum output current: 3A Size : 220*130*45MM Package includes: 1 piece digital amplifier