Etymotic's ABR-version insert earphones are available only from ABR equipment manufacturers because they may require special connectors and other proprietary modifications. Available in 10 Ohm, 50 Ohm and 300 Ohm immittance. Contact your ABR equipment manufacturer for more details.

Additional Specifications for ABR version

1 kHz sensitivity: 103.5 dB SPL in HA-2 Coupler @ 0.49V rms (300 Ohms)

Typical click response of TDH-49 and ER•3A to 1V, 100usec clicks as measured on ear simulator in KEMAR manikin.