OEM SYSTEMS IO-510-B 5.25in 2-Way Indoor/Outdoor Speaker Black • 100W, 2-Way Acoustic Suspension Indoor/Outdoor Loudspeaker, Sealed, Port-Less Design Enclosure • 5.25 Poly Woofer With Butyl Rubber Surround • 1 Mylar(Tm) Tweeter • Freq Resp: 42 Hz - 21 Khz • Imp: 8_ • Sensitivity: 90 Db • Prevents Bugs & Moisture From Entering Cabinet • Rust Proof Grills • Versatile U-Type Mounting Bracket • Pair • Black