<p>Current Overload, Short Circuits, Thermal Overload, DC Offset.</p> <p>Mono 1000 Watts Car Audio Amplifier gives you a wonderful in-car entertainment.</p> <p>High power, good sound quality, no distortion, give you a great hearing enjoyment.</p> <p>Light weight, handy and easy to install.</p> <p>Powerful bass.</p> <p>Wiring:</p> <p>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 bass or full-range speaker or speakers (red pick horn + , black pick speaker - is recommended to use 4 ohm 8-12 inch 45 core 100-170 magnetic bass )</p> <p>2. Power connection</p> <p>A. Car has a CD player : GND then negative vehicle power 12V 12V power supply connected to the car 's positive REM CD player connected to the control line (so</p> <p>the CD player can directly control the subwoofer amplifier on and off )</p> <p>B. Car no CD player : GND connected to the negative power of the car , + 12V and REM connected together in positive 12V car power ( + 12V can also be an indirect</p> <p>one with REM switch control amplifier switching function )</p> <p>C. Directly with the battery (battery) connection : GND connect the battery negative , + 12V and 12V REM then the positive battery simultaneously.</p> <p>Specification:</p> <p>Model: PA-80D</p> <p>Product Name: Car Amplifier</p> <p>Subwoofer Type: Subwoofer Speaker</p> <p>Operating Voltage: 12V</p> <p>Frequency Response: 30Hz~280KHz</p> <p>Rated Power: 600W</p> <p>-Power: 1000W</p> <p>Impedance: 4-8</p> <p>: 105dBA</p> <p>: less than 0.1%</p> <p>Size: 23.5x15.5cm (LxW)</p> <p>knob color: random colors, don't accept the specified color</p> <p>colour: black</p> <p>Material: metal</p> <p>Package Contents:</p> <p>1 x Car Audio Amplifier Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>