Handle the power with audiophile sound quality. Blade series loudspeakers, by Boss Audio, use the latest high-tech materials and advanced design techniques with 250W of peak power handling. Put full, rich, undestorted sound in your ride with a pair of speakers from the Boss. Boss BL4250 features: Peak Power handling: 250W / Magnet: 25oz / Inpedance: 4 ohm / Frequency Response: 95Hz-20kHz / Sensitivity: 92dB / Cone Material: Poly Injection / Voice Coil: 3/4" aluminum / Tweeter: 3/4" Mylar Dome / Mounting Depth: 2.0" / Manufacturer Warranty: 1 yr