Power Supply: DC 12V-18V or 12V Car Power Chip: TDA7850 Channel Type: 4 Inputs and 4 Outputs Output Power: 4x50W Output Match: 4-8 ohm Weight: 80g Features Adopts high quality audio coupling capacitor The main filter capacitance is 10000uf, sufficient energy to play superior sound quality of the amplifier TDA7850 is a high-quality Hi-Fi car audio amplifier IC, sound quality is excellent LC filter, more pure power, smaller ripple and less interference With BA3121 noise isolation and noise-canceling 4 inputs and 4 outputs DC 12V-18V power supply or 12V car power With delay function, no any impulsive sound, no need to install speaker protection Its the best choice for car audio upgrade and DIY 4-channel amplifier
