Etymotic ER4 CBL: Convert to 'S' Response for Enhanced Sound Quality B2B +4dBu input (like the FOH

+4dBu input (like the FOH PA Mixer or multi-track digital recorder)

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Etymotic ER4 CBL: Convert to 'S' Response for Enhanced Sound Quality B2B +4dBu input (like the FOHThe Etymotic ER4 CBL is a cable designed to convert the standard Etymotic ER4 earphones to the 'S' response for enhanced sound quality. This cable upgrade allows users to experience improved audio performance and a different sound signature compared to the original ER4 configuration. Cable upgrade for Etymotic ER4 earphones Converts to 'S' response for enhanced sound quality Improves audio performance and sound signature