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Clark Synthesis AQ339 Diluvio™ Underwater Loudspeaker - Underwater Wall Mount Speaker The Clark Synthesis AQ339 Diluvio™ is the world’s only full-frequency, full-fidelity underwater loudspeaker, delivering clear, immersive sound beneath the water’s surface. Ideal for pools, it enhances swimming experiences for recreational and competitive swimmers alike. Key Features Full-frequency, full-fidelity underwater sound Perfect for backyard pools, lap swimming, and competitive swimming Enables music and sound to be heard through the body underwater Two installation options: permanent mounting in a light niche or portable drop-in use with tether Durable design built for underwater environments Requires compatible amplifier for optimal performance Specifications Continuous Power Handling: 135 watts Impedance: 4 ohms Overload Protection: Polyswitch Frequency Response: 20Hz to 17kHz Electrical Connection: 100 ft underwater, 16-2 wire Dimensions: 8” (20.3 cm) diameter x 4.5” (11.5 cm) depth Recommended Amplification: 125 – 150 W at 4 ohms Installation & Usage The Diluvio™ can be permanently installed inside a large light niche using a face ring kit (sold separately). For multiple location use, such as synchronized swimming, a tether allows it to be used as a portable drop-in speaker. Clark Synthesis recommends using an amplifier stable at 4 ohms delivering 125-150 watts per speaker for best results.