Kiwi Ears KE4 II

The original Kiwi Ears KE4 II launched with global acclaim, setting the benchmark for a new era of modern IEM tuning. Following this legacy, the KE4 II has been completely redesigned with a more efficient driver architecture and a refined benchmark tuning. The KE4 II has been engineered from the ground up, utilizing a completely new three driver-type configuration that achieves greater resolution and midrange texture. The original KE4 was a 2DD+2BA Hybrid configuration, but by upgrading to a more powerful 1DD woofer, an additional driver could be added to enhance the fundamental frequencies - all while keeping the 4 driver framework. Compared to the original KE4, the new driver configuration optimizes driver load, particularly in the mids and trebles, enhancing technical performance and timbre. A single 10mm biocellulose dynamic driver subwoofer delivers precision sub-bass and bass impact rich with textural rumble. A custom-made dual balanced armature drivers focus on layered and articulate mids and lower-trebles. An innovative custom microplanar ultrasonic tweeter brings out airy micro-details. Compared to balanced armature tweeters, the microplanar ultrasonic tweeter is able to significantly output greater +20kHz treble extension at lower distortion. Importantly, the timbre of microplanar drivers are smoother and more natural sounding compared to balanced armature drivers, which are often described as “plasticky”, or electrostatic drivers, which can feel too metallic.