The Pyle PLMR44 4" 250 W 2-Way Sealed Speaker System (Pair) is designed for use in your boat, on the dock, by the pool, or simply mounted outside. They're completely waterproof and designed with rust-proof mesh covers for quality protection. The PLMR44 is a pair of 250 W, white 4" sealed speakers. Thanks to a 4" long throw woofer and 1" polymer dome tweeter, this speaker will have booming lows and sweet highs for a frequency response of 90 Hz to 20 kHz. The vented design adds extra punch and power to the bass.