Sony has announced a new XBA-4 earphone, optimized for those who enjoy high fidelity sound. In each earpiece there are four of the Sony’s newly developed micro-sized balanced armature drivers.This ensures clearer sound than conventional headphone drivers and efficiency in noise-blocking performance.
Each earpiece has of XBA-4 has full range, tweeter, woofer, and super-woofer drivers. The relatively larger earpieces have ABS outer cover to suppress vibration. As usually the earphone is designed in asymmetric Y shape having 7 inches long left branch and 21 inches long right branch.
Source: CNET
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When are we going to see a comparison between the XBA-4 and the Monster Pro Turbine Coppers? I would like to know if the XBA-4 have better or worse bass.