NEW LANZAR OPTIBT38 400W HEAVY DUTY ALUMINUM BULLET SUBER TWEETER 400 WATT Series: OptiDrive Type: Car Speakers Woofer Material: Aluminum Super Tweeter Tweeter: OPTIBT38 Magnet Construction: 1 YEAR Frame Construction: 1 YEAR RMS Power: 200 W Sensitivity: 102 dB