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User-selectable amp gain mode
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Normal 1V RMS
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High 2V RMS
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Both provide the same sound performance.
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They could sound a little different from each other. But, it doesn't mean that which one is better.
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Normal 1V RMS mode
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Recommended for the most IEMs
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Longer battery time and the lower noise floor
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High 2V RMS mode
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6dB higher maximum output level
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Recommended for headphones
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Auto Volume Correction
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The firmware adjusts the volume and keeps the current output level when switching the gain mode.
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You will experience no difference in loudness when switching the mode to 2VRMS. But you will have
the max volume extended by +6dB.
ES9218P DAC/AMP - Amplifier Gain
