BT740iQZ – A somewhat unwieldy name for what are actually quite elegant headphones that the designers at Koss have come up with for their new Bluetooth model. With active noise-cancelling (ANC), integrated media control and hands-free function, as well as long battery life, these new over-ear headphones are designed to be a convenient audio accessory for all situations.

Koss has equipped the BT740iQZ with their tried-and-tested 40 mm drivers, whose frequency reproduction ranges from 10 Hz to 20 kHz according to the data sheet and which are capable of a peak sound level of 97 decibels.
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