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The Tanchjim 4U IEM impresses with its customizable bass tuning, refined sound, and sleek build at just CA$99.99—though its subtle low-end may leave hardcore bass fans wanting more.
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Moti Margalit explains how Sonic Edge’s modulated-ultrasound MEMS speaker redefines miniaturized audio: unlike first-gen MEMS tweeters, their chip-sized AirDriver produces full-range sound using silicon micro-pumps and amplitude modulation—no DAC required.