bullet tweeters

I have 2 Sundown HF-R35 tweeters. They say they can handle 150 rms watts. What amp and crossovers do I need. Do I just need a 300 watt amp with built in crossovers or do I need dedicated crossovers? I also have a question about som sundown 6.5 xseries v2 woofers. Is there any chance that I could...

I was looking for cheap tweeters and saw these: Power Acoustik NX-5 Pro Audio Bullet Tweeter - Sonic Electronix WoofersEtc.com - 15-MJPT - Memphis 1" 200W Max Aluminum Frame Bullet Tweeter Power Acoustik: $48 Ohms: 3 frequency response: 3,000-20,000 Memphis: $130 Ohms: 4 frequency...