UPGRADE TODAY, HEAR THE DIFFERENCE: The TW350Ti-4 SLIM comes as a pair, you'll receive 2 tweeters ideal for pro audio applications. These PRV tweeters offers the best sound for the value of your money. SOLID STRUCTURE: A titanium super bullet tweeter designed with cast aluminum frame to ensure a quality sound and long lasting play in most environment. LIGHTWEIGHT & DURABLE: This 3.5 inch twiter is built with a titanium diaphragm on a light, thin, and durable Kapton former for long play applications. Weighing only 1.14 pounds each tweeter. DESIGNED FOR EFFICIENCY: Add crystal clear sparkle to any speaker with PRV Audio’s TW350Ti-4 SLIM titanium bullet tweeter! These super tweeters for car audio offers a smooth response and extremely high efficiency from midrange through high range frequencies. ULTRA SLIM: Not only does this driver look as good as it sounds these bullet tweeters are easy to mount on you car door or anywhere!! The TW350Ti-4 SLIM is a small tweeters speakers for car with a mounting depth of only 1.32 inches, a super shallow design!.