Crutchfield offers the Panamax MAX 11-Outlet UPS Home Theater Power Conditioner, model no. M7500-PRO, for $699.99 with free shipping. That’s the lowest total price we could find by $278. It features a 720-volt-ampere isolation transformer, 11 AC outlets in five isolated banks (to reduce signal noise), automatic voltage monitoring circuitry, and more.

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