Description: Class D amplifier produces 2 x 50 watt @ 8 ohms Can be wired R+ to L+ for mono mode 8" stereo wiring harness included Short-circuit and over-temperature protection With 4 model GAIN parts, can auto work on different voltage The use of high-speed SMT placement machine, over temperature reflow, the performance is very stable Comes with super output short-circuit and over-temperature overload and prevent the impact of the switch machine. Specification: Power supply: Single-voltage 10-26V DC. Maximum power: 2x50W / 8 Ohms ;Mono BTL power: 100W / 4 Ohms . Size: 70 x 57 x 21mm . Package Includes: 1 Piece Amplifier Board AMP Board with Radiator. Note: *When the speaker impedance is 4 ohms, the operating voltage must be less than 18V. *When the speaker impedance is 6 ohms, the operating voltage can not exceed 24V. *When the speaker impedance is 8 ohms, the working voltage can not exceed 26V. The power not to reverse the polarity