UNLEASH UNPARALLELED SOUND PERFORMANCE - The DS18 PRO-HT1 is the ultimate solution to take your compression drivers to new heights, elevating the range, volume, and overall auditory experience. Say goodbye to mediocre sound reproduction and embrace the power of this horn | BUILT TO WITHSTAND ANY CHALLENGE - Engineered with high strength ABS plastic casing, the PRO-HT1 is designed to thrive in even the most demanding applications. Its durable construction ensures long-lasting performance, making it a reliable choice for any audio enthusiast | INTENSE SOUND PROJECTION - Featuring a short throat with a 4.5" diameter, this horn delivers mind-blowing, ear-piercing sound that will make heads turn. The circular profile and impressive 110-degree coverage guarantee a directional sound experience that leaves the competition in the dust | EFFORTLESS INSTALLATION - With its twist-on design and standard driver thread pitch, installing the PRO-HT1 is a breeze. Say goodbye to complicated setups and wasted time. Within minutes, you'll have this horn securely attached to your driver, ready to unleash its full potential | VERSATILE AND SUITABLE FOR ANY AUDIO SETUP - Whether you're enhancing your car audio system or perfecting your professional audio setup, the PRO-HT1 is the go-to choice. Its adaptability and compatibility with the PRO-DRNSC and PRO-DR1P drivers ensure seamless integration and an optimized audio experience