How is IEM frequency measured?
Click Start and then, on your device with EQ, open up the sine sweep file and hit play. The measurement should start taking place, yielding the IEM's default frequency response. Now apply the EQ on your device and repeat the same steps above from Click Start. This is the IEM's frequency response with EQ applied.
What makes IEMs so expensive?
IEMs are often more expensive than earbuds due to the technology and that in-ears are transmitted into your ear canal. Often, earbuds can come free with a phone or other audio equipment, which usually means the sound quality is lacking.
How many drivers are needed for IEM?
High-end IEMs can pack as many as eight micro drivers into a single earpiece!