| Brand | Unbranded |
|---|---|
| Country of Origin | China |
Check the listing for details. IEC711 318-4 Artificial Ear Occluded Ear Simulator Frequency ResponseCurveTester. Condition: New, Made in China. Listed at 81.70 USD. IEC711 artificial ear is made with reference to the artificial ears for Danish GRAS and BK. 1 x Artificial Ear. Frequency range: 100Hz-10kHz ±1dB (simulating human ear impedance). Coupler frequency range: 20Hz-16kHz (for coupler).