Janine Elliot checks out the multi-driver Optoma HEM4 In Ear Monitors costing a penny short of £250.

“The use of Knowels™ drivers is paramount to the success of this series of monitors. Their history goes back to 1946, set up by Hugh Knowles in the USA and originally making microphones, speakers for TVs, and hearing aids. Balanced armature drivers have actually been around since the 1920s primarily in headphones used with crystal radios, though they were then much bigger with the diaphragm round-shaped, like the soundbox on a wind-up phonograph. In the simplest of terms these modern rectangular shaped balanced armature receivers have a coil inside which due to inducing a magnetic field when playing audio through it moves one end of a “U” shaped metal unit which has a magnet attached….”

Read the full review here..

PS Audio Launches New Stellar Amplifiers And DAC
Karma-Av Introduces Mark Levinson № 519 Audio Player To The UK

Read More Posts Like This

  • New Optoma In-Ear Headphones

    Optoma has expanded its range of in-ear headphones with its NuForce BE6 - a wireless model. The BE6 “is the only Bluetooth® in-ear headphones to be fully crafted from aluminium”, and they feature…

  • The market for sub £100 in ear monitors is very competitive meaning that there is plenty of choice when it comes to choosing a pair of IEMs to use as…

  • Shinola Audio has announced the introduction of their Bluetooth® In-Ear Monitors. They are designed and developed in collaboration with Campfire Audio of Portland, USA. Shinola Audio’s use of aptX™ Bluetooth®…

You must be logged in to leave a reply.