A bass fan's delight, the Sennheiser IE8i offer a rotatable dial on the back of each bud that changes low-end response. We like keeping it at the minimum, but then we value accuracy over bass power. However you like your beats served, though, the IE8i offer high-fidelity sound with great clarity and definition. They're much like the previous IE8, but with the added benefit of an in-line iPhone controller.
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