Flush Mount Full-Range Class D Marine 4-Channel Amplifier with Voltmeter 1200W DS18’s NXL-F4 is the epitome of sleek design and powerful performance, specifically crafted to enhance your marine audio experience. Designed to perfectly complement DS18 NXL series speakers, this amplifier delivers exceptional loudness and efficiency, making it the ultimate powerhouse for your marine audio system. Equipped with four channels, the NXL-F4 provides versatility by accommodating virtually any speaker within its power recommendations. No matter the size or type of speaker, the NXL-F4 guarantees optimal performance and an immersive sound experience. Featuring a power output of 160Wx4CH at 2 ohms and 100Wx4CH at 4 ohms, the NXL-F4 offers impressive power capabilities to drive your speakers to their full potential. The built-in voltmeter adds a convenient feature to monitor your battery's voltage levels directly from the amplifier itself. This allows you to keep track of your power supply and ensure that your audio system is operating at its peak performance. Its compact dimensions of 238 x 135 x 41mm make it easy to install in tight spaces without sacrificing power or functionality. With its flush mount configuration, the NXL-F4 allows you to maintain a clean and seamless installation. Elevate your marine audio experience with DS18’s NXL-F4!