Engineered and Designed in the US, the DS18 PRO Titanium Compression Drivers are the top of the line high frequency driver/tweeter/horns in the market. These bad boys deliver so much power that you'd think with one horn your whole sound system is ready to deploy for a major concert. Simply put, there are no compression drivers that can compare to the sophistication, beauty, and precision of these horns, especially in the Pro Audio/Voceteo World. Thanks to the demands of our customers, after months of relentless tests and experiments, our team of audio-experts perfected the PRO line. We are ecstatic to share with you the product of hard-work and "non-stop innovating attitude." We are sure that you will love your new PRO Compression Driver as much as we do. Warning: Extremely Loud. DS18 is a proud member of CEA, IASCA, MERA, and SEMA