Balanced 240V input is provided from two x 120V phases and supplies highest power capability and noise cancellation. 双输入自由调节 The toroidal isolation transformer steps-down the 240V input to 120V to power the equipment. Where 240V is unavailable, the higher power units may be configured for 208V operation. Balanced 240V input does not require the use of failure-prone Ground Fault Circuit Interruption (GFCI) devices. 可提供240V-120V自由选取的输入电压种类,无需单独接地 The models in the Custom Series should be professionally installed by qualified electricians and/or CEDIA certified installers. 请在专业人士指导之下安装
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