This package contains two NHT1-120B Black MB Quart Marine Wake Tower Speakers with Compression Horn Tweeters. MB Quart marine and power sports certified high end 8 inch Wake Tower Coincident Mounted Compression Horns featuring UHS (ultra-high sensitivity) Technology and Wavelength Transparent Acoustic Lenses with a polypropylene cone. Specifications CERTIFICATIONS IPX67, Conformal Coated, UVA Certified, CEA426B RMS POWER HANDLING (CEA426B) 90 watts PEAK POWER HANDLING (CEA426B) 180 watts IMPEDANCE 4 ohm FREQUENCY RESPONSE +/- 10DB 20 Hz - 24kHz FREQUENCY RESPONSE +/- 3DB 48Hz - 27kHz SENSITIVITY (1 WATT/1 METER) 92 dB TOWER LENGTH 11. 2" (286mm) HANG HEIGHT 9. 035" (229. 5mm) HEIGHT 8. 4" (215mm) WIDTH 8. 4" (215mm) CERTIFICATIONS IPX67, UVA Certified, CEA426B PRODUCT DIMENSIONS 12 X 10. 25 X 15. 69 in (30 x 26 x 39. 6 cm) PRODUCT WEIGHT 8. 1 lbs. (3. 6 kg)'