Current Overload, Short Circuits, Thermal Overload, DC Offset. Mono 1000 Car Audio Amplifier gives you a wonderful in-car entertainment. High , good sound quality, no distortion, give you a great hear more→ing enjoyment. Light weight, handy and easy to install. . Wiring: 1. Speaker connection: amplifier board has a good piece of red and black wire welding can be accessed by a 4-8 Euro 100-150W or full-range speaker or speakers (red pick horn + , black pick speaker - is recommended to 4 ohm 8-12 inch 45 core 100-170 magnetic ) 2. connection A. Car has a CD player : GND then negative vehicle 12V 12V supply connected to the car 's positive REM CD player connected to the control line (so the CD player …