The Zeroflex TREX-3.1K is a high-performance mono amplifier that delivers a powerful 3300rms output at 1ohm. This amplifier is designed to provide crystal clear and distortion-free sound, making it perfect for car audio enthusiasts. It features advanced circuitry and a compact design, allowing for easy installation. Additionally, it comes with a free bass controller that allows you to adjust the bass levels according to your preferences. The Zeroflex TREX-3.1K is the ultimate choice for those seeking superior sound quality and enhanced bass performance in their car audio system.