M-Audio IE-40 reference earphones employ patented Ultimate Ears technology to deliver an unparalleled personal listening experience—like carrying studio-grade reference monitors with you wherever you go. With the same triple-driver architecture, dual-bore design and sonic signature as Ultimate Ears’ renowned custom monitors, the IE-40s provide a premium solution that fits any ear. The earphones operate like professional three-way monitors by splitting the frequency range across three drivers, which allows them to reproduce highs, mids and lows with pristine accuracy and superb balance. And with 26dB sound isolation, the IE-40s transform any location into an ideal monitoring environment—whether you’re on stage, in the studio or traveling through a noisy public space.
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