Amazon.com: Massive Audio FC6-6 Inch / 6.5 Inch 150w / 300 Watts MAX, 25mm Silk Dome Tweeter, 4 Ohm, 12dB X-Over, Component Car Speaker System. Sold as Pair : Electronics
VOYZ 500 Watt Super Tweeter 2.2KHz - 19KHz – 3.5” Super Horn Heavy Duty Bullet Tweeter 1” Diaphragm 4 ohms Chrome Finish with Crossover Capacitor (1 Pair) - Walmart.com
MASSIVE AUDIO 35 Watts RMS 4 Ohm 57mm Super Bullet Titanium Tweeter. CAR AUDIO CT5 - Cyberstore
CT 1 - 60 WATTS RMS MULTI MOUNTING 25MM SILK DOME TWEETERS by Massive Audio® - SSA STORE
T50 - 60 WATTS RMS 8 OHM 44.4MM SUPER BULLET TWEETER (SINGLE) by Massive Audio® - SSA STORE
Source Heavy Duty Titanium Super Bullet Tweeter Loud Speaker 300 Watts Maximum Power at 4 Ohms to 8 Ohms on m.alibaba.com