The GM-E360X4 is a car amplifier manufactured by Pioneer. This amplifier is designed specifically for car audio systems, providing high-quality sound and power to enhance the listening experience in vehicles. As part of Pioneer's lineup of car electronics, the GM-E360X4 offers reliable performance and compatibility with a variety of car audio setups. With a focus on delivering clear and powerful sound output, this amplifier is a popular choice for car audio enthusiasts looking to boost the audio capabilities of their vehicle.