This 4.5″ speaker kit is a direct replacement for the odd-sized Honda drivers. A tweeter has been added to the center pole for an extended frequency response, and SEALED for the best longevity.3 ohm voice coil matches the OEM Honda driver for maximum volume and output. Can be used with or without an external amplifier. Sold in pairs. Made in the USA.4.5″ (114 mm) steel pin cushion basket35 watts rms, 70 watts max3 ohm, 87 dB SPLFrequency range (Hz) ~ 100 – 20k1″ copper voice coil, Kapton former1″ PEI dome tweeterFerrite magnet, polypropylene coneFitment:GL1500 1988-2000 fits front and rearGL1800 2001-2005 fits front and rearGL1800 2006-2017 fits rear onlyGL1800 2018+ fits front and rear WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.