<div dir="ltr">Alain,<div><br></div><div>I have tried 12 different headset microphone models with limited success. The best luck I have had is using the Audio-Technica ATM75 but sometimes it works flawlessly and other times... well, not so much. I believe I have a list somewhere of the various versions that I tried but offhand I can only recall having no luck with various Turtle Beach models (e.g., <span style="line-height: 18px;">ear force z2) and Steel series Siberia v2 and the Astro A40. If you do happen to find a set that works reliably with the SRbox please post back to the list. This is a major issue for my group and one that PST hasn't really given any effort to addressing sadly.</span></div>
<p class="p2"><br></p><div>If you haven't already received your response from PST, here is the base information you will receive from them:</div><div>
<p class="p1">the SRBox is designed only to work with dynamic, non-amplified microphones. Dynamic mics do not require power, but generate their own electrical signal (basically performing the opposite function of a speaker). You should double-check that your mic is not an electret type microphone and therefore not compatible. Most electret microphones require power from the unit they are connecting to (center ring of the stereo connector), and the SRBox does not supply that powered connection. If the microphone is not self-powered, it may function with the SRBox, but we cannot guarantee such functionality or recommend trying it.</p>
<p class="p1">The reason why most headsets will not work with the SRBox is because the majority use condenser elements. Condenser microphones can be made much smaller (and less conspicuous) than dynamics without compromising performance. Also, there are limited choices because most headsets these days come with USB plugs instead of 1/8" mini (or anything that can easily be converted to 1/8" mini plugs).</p>
<p class="p1"> Here are the specs for the original mic that came with Eprime:</p><p class="p1">ELEMENT:<span class="Apple-tab-span"> </span>Moving coil dynamic</p><p class="p1">POLAR PATTERN:<span class="Apple-tab-span"> </span>Cardioid</p><p class="p1">FREQUENCY RESPONSE:<span class="Apple-tab-span"> </span>80 - 12,000 Hz</p><p class="p1">OPEN CIRCUIT SENSITIVITY:<span class="Apple-tab-span"> </span>-59 dBm +/- 3 dB, 1 kHz at 1 Pa</p><p class="p1">IMPEDANCE:<span class="Apple-tab-span"> </span>500 ohms +/- 30%</p><p class="p1">WEIGHT<span class="Apple-tab-span"> </span>5.3 oz (150 g) 16.5' (5.0 m)</p></div><div><br><br>On Sunday, April 6, 2014 7:11:34 AM UTC-4, Alain Desrochers wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir="ltr"><div>With the purchase of an E-Prime SRbox I received an Audio-Technica microphone (Model ATR20) with a desk stand. I am now looking for a headset microphone model that is compatible with the 2-pole plug of the SRbox. Has anyone in the E-Prime user community found such a microphone model? Also, in your experience, does a headset microphone resolve the problem of capturing responses from participants with a very soft voice? Thank you for taking the time to share your recommendations with me.</div>
<div> </div>
<div>Alain Desrochers, School of Psychology, University of Ottawa, Canada</div></div></blockquote></div></div>
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