cytotec precio 
BT-1 – 3 1/2″ Round Super Bullet Tweeter
- 80 watts nominal power
- Frequency range: 4,000 – 19,000 Hz
- SPL: 100dB sensitivity
- 8 ohms
- 10 oz. magnet
http://midequalitygroup.co.uk/events/list/?tribe-bar-date=2021-06-07 
BT-2 3 1/2″ Square Super Bullet Tweeter
- 80 watts nominal power
- Frequency range: 4,000 – 19,000 Hz
- SPL: 100 dB sensitivity
- 8 ohms
- 10 oz. magnet