Etymotic 4pt. ETYMOTIC RESEARCH ER4PT HEADPHONE USER MANUAL ManualsLib ER-4 headphones are still made in Etymotic's Elk Grove Village, Ill., factory, and the left and right drivers are hand-matched to within 1 dB of each. The Etymotic MicroPro ER-4PT, reviewed here, is the latest version of the 4P
Etymotic Research ER4PT MicroPro Earphones from headphone.com
The Etymotic Research ER-4PT earphones -- and, even more, the ER-4 S model -- provide When you actually get one of the Etymotic's 6 different tip styles, all of which are included, to fit properly into your ears, they hold snugly in your ear canal
Etymotic Research ER4PT MicroPro Earphones
The sound quality is good and all, however, the difference between the Etymotic's MC5s and ER-4PT isn't that much apart Included with every pair of ER•4PT earphones is an industry-exclusive channel-matching compliance graph, signed by the Etymotic engineer who precision matched and custom tuned the balanced. When you actually get one of the Etymotic's 6 different tip styles, all of which are included, to fit properly into your ears, they hold snugly in your ear canal
Etymotic ER4PT MicroPro review Etymotic ER4PT MicroPro. ER-4 headphones are still made in Etymotic's Elk Grove Village, Ill., factory, and the left and right drivers are hand-matched to within 1 dB of each. The sound quality is good and all, however, the difference between the Etymotic's MC5s and ER-4PT isn't that much apart
ETYMOTIC RESEARCH ER4PT HEADPHONE USER MANUAL ManualsLib. The headphones use ACCU·Driver balanced armature drivers to produce detailed, realistic audio with better than 86% accuracy from 20 Hz to 16 kHz. This is where I'm disappointed, a $230 product vs $50 made by the same company, shouldn't remotely be that close.