Leveraging our patented Plus One woofer cone with three Ohm voice coil and edge-driven soft-dome tweeter mounted into our all new proprietary tweeter deflector, all individually voiced to deliver authentic JBL pro sound for your next road trip. To ensure that you get a great performance even with the windows down, the three ohm voice coil extracts more power from the amplifier, delivering high output and deeper bass. Frequency Response: 50Hz - 21kHz.JBL GX608C 210W 6.5 Component Speakers. // NEED TO PRICE MATCH? We will try to give you an even lower price! // NEED TO TALK TO US? We will also give you an RA# so the unit won't be lost.