6i Isolator Earphones
ER•6i Technical Specifications

Frequency response: 50 Hz to 16 kHz
Tolerance: ±3 dB to 6 kHz, ±6 dB to 16 kHz re nominal
Transducer type: Balanced armature
1 kHz sensitivity: 108 dB @ 0.1V
Impedance: 16 Ohms
Maximum output: 120 dB SPL
Maximum continuous input: 2.5 Vrms
Weight: less than 1 oz.
Response of ER-6 & 6i Earphones (measured at eardrum)

The above graph indicates that 6i earphones have 8 dB higher sound output and increased bass compared to the original ER-6 earphones. The dotted red line is the reference response of the open ear to live performances (CD equalization).

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