2 Pairs of Magnadyne WR45W 5" Inch Waterproof Marine, Boat, Hot Tub, Outdoor Speaker with Integrated Plastic Grill - White Package of 2 Sets 5 inch Marine Waterproof Speakers for outdoors, Marines, Boats, Hot Tubs, Spa, Etc. Perfect replacement for Most OEM Hot tub Shower speakers Installation Dimension Size: 4 1/2 cutout With 6 Grill - Full plastic encasement frame and integrated grill Maximum power handling: 25 watts. Impedance: 4 ohm. Frequency response: 65Hz - 16.5kHz. 100% SATISFACTION GUARANTEE: Buy With Confidence With Our 30 Money Back Hassle Free Guarantee And A 1 Year Warranty