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About this gear
The ER4B features a balanced connector variant of Etymotic's ER4 platform, enabling use with balanced audio sources and amplification. It maintains the core ER4 sonic character while offering flexibility for studio and professional setups that leverage balanced connectivity for reduced noise and impedance matching.
About Etymotic
American hearing research company founded in 1983 by Dr. Mead Killion in Elk Grove Village, Illinois. Etymotic literally means 'true to the ear' — their ER4 series defined the concept of reference IEM tuning, adhering to the diffuse-field target response with scientific precision. Known for deep-ins...
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