Boss Audio 4" 2-Way 400W Marine Waketower/UTV Speaker System. MRWT40 4" 2-Way 400W Marine Waketower/UTV Speaker System Specifications for Boss Audio MRWT40 4" 2-Way 400W Marine Waketower/UTV Speaker System: Manufacturer: Boss Audio Color: Black Quantity: 2 Size: 4 in Length: 4 in Features of Boss Audio MRWT40 4" 2-Way 400W Marine Waketower/UTV Speaker System Weather Proof Enclosed System 4" 2-way Speaker Pair 400 Watts MAX 200 Watts RMS Power Handling per Pair 130 Hz to 20 kHz Frequency Response and 94dB Sensitivity Polypropylene Woofer Cone and Rubber Surround 1 Tweeter Per Speaker : Mounting Clip 1-1/4" to 2" Frequency Response:130Hz to 20Hz Total Power: 400W SPL (1Watt / 1 Meter): 94dB Package Contents: Boss Audio MRWT40 4" 2-Way 400W Marine Waketower/UTV Speaker System Boss Audio MRWT40: 4" 2-Way 400W Marine Waketower/UTV Speaker System MRWT40