M544 150W Mono Channel DC Audio Power Amplifier Board 12-26V Digital Description: It has a strong chip with surface mounted inductance, with surface mounted capacities, European style wire clamps. Channel board, ideal for DIY high-power sound system; home theater; music played on the street/square/shopping mall amplifies the sound. With >90% energy efficiency and low idling losses; with comprehensive short-circuit protection; above temperature; excessive/less voltage; direct current. Large chip mounted on the surface of the reinforcement module; It is with array design, which is easier to dissipate heat. Surface mounted inductances can filter noise; screening signal; stabilize current; suppress electromagnetic interference; also with aluminum electrolytic capacitors and metallized polyester foil capacitors. Specification: : DC 12-26V Output power: DC 12V=50W; direct current = 100 W; DC 26V=150W The package includes: 1 piece AMP board Note: Before using this board, carefully check the connection scheme and do not use unceremoniously speakers with too little power.