With a robust and streamlined design, the Knock is ergonomically designed to provide non-stop comfort. An ultra lightweight headphone, it’s strong enough to withstand the pressures of everyday listening. It delivers a sound that is clear and distinct, and even comes with the Zound Lasso, a simple device that holds the flat cable in place so it won't get tangled or knotted during transport.
40 mm Power Drivers with frequency range of 20.0 Hz - 20.0 KHz. 32 ± 32% ohm impedance. Sensitivity of 85 dB at 1 kHz. 100mV rated input power with a 3.5mm plug. One-year premium replacement warranty.