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Sennheiser CX 680i

We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.

Sennheiser’s in-ear CX 680i headphones offer users sweat and waterproof architecture, an in-line remote and microphone, and a 3.9-foot cable. The CX 680i additionally features an 18 – 20,000 Hz frequency response, 16 ohms nominal impedance, and 120 dB/mW sensitivity.

Features List:

  • Sweat and waterproof design
  • In-line remote
  • In-line microphone
  • 3.9-foot cable
  • 18 – 20,000 Hz frequency response
  • 16 ohms nominal impedance
  • 120 dB/mW sensitivity

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