Pioneer TS-D1702R 6.75 In. 2-Way Speaker with 280 Watts Max. Power Butyl rubber surround 1-1/8-Inch Large-sized soft dome tweeter Tweeter level control (0dB/-3dB) Rear chamber tweeter enclosure extend mid-range frequency Surface, flush or invisible tweeter mounting kit 6-3/4-inch two-way speakers with 280 watts maximum power handling (60 watts nominal) Woofers feature dual-layer IMX aramid/basalt fiber composite cone with butyl rubber surround 1-1/8-inch soft-dome tweeters with magnetic fluid and neodymium magnet Built-in crossover with -6dB/octave low-pass and -12dB/octave high-pass filters 30 Hz to 32 kHz frequency response with 88 dB sensitivity