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Koss’ KEB40 in-ear headphones integrate soft silicone ear buds, noise-isolating technology, 9 mm drivers, and a flat 4-foot cable. Additional features include a 15 – 20,000 Hz frequency response, 104 dB/mW sensitivity, and 16 ohms impedance.
- In-ear design
- Soft silicone ear buds
- Noise-isolating technology
- 9 mm drivers
- 4-foot straight cable
- 15 – 20,000 Hz frequency response
- 104 dB/mW sensitivity
- 16 ohms impedance
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