A12 Stereo Integrated Amplifier is a high-quality audio product with the following features: 10cm or 4in gap, power cord connector is the main power disconnect device, can only be connected to the power supply of the specified model and voltage on the rear panel, can only use the power cord provided with this product or a strictly equivalent power cord to connect this product to the power outlet, do not change the power cord provided with this product, do not use an extension cord, the main plug of the power cable is the power disconnect device of this product, use 2 types of wires to connect the speakers to ensure correct installation and minimize the risk of electric shock.