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high‑efficiency rollers: 20‑point lightweight aluminium rollers optimize contact with the tyre for superior traction
The 12V power draw is efficient for mobile setups
Operating temperature: -25° to +55°C
Whether you’re throwing drys
At 750mm (30")
Hertz HMR 20 Marine Audio Source Unit Rugged IP66 Weatherproof DAB Plus Bluetooth Multi Zone Sound For Boaters tinted privacy high‑efficiency rollers: 20‑point lightweight aluminiumHertz HMR 20 Marine Audio Source Unit delivers rugged, reliable, high fidelity sound for any on water adventure. Engineered for the elements and tuned by Hertz engineers, this all in one system combines weatherproof durability with intuitive control and premium audio performance. Why the HMR 20 stands out on the water IP66 protection with UV resistance (ASTM D4329) and salt fog durability (ASTM B117) to keep performing season after season. DAB+