Sennheiser PXC 250 II
Sennheiser brings the PXC 250-II and thus the successor to the PXC 250 on the market. Like its predecessor, the headset uses active noise cancellation, which was further optimized and designed to reduce ambient noise even more effectively.
The technique is called “NoiseGard” and is used in aviation for some time. Into the headphone shells you have installed small microphones that pick up the sound of the environment.
In parallel, the Sennheiser PXC 250-II produced a counter-sound. This “anti-sound” is to compensate for ambient noise. The noise suppression to enable a control panel that has been integrated into the cable. On the control unit can regulate the volume. Moreover, this court finds the AAA battery, it brings with active noise cancellation according to the manufacturer for a term of up to 50 hours. The Sennheiser PXC 250 are two batteries were needed.
If the battery is empty, then can continue to use the Sennheiser quite normal – just without noise suppression.
The ear cups sit on the ear and to a frequency range of ten Hertz to 21000 cover, the sensitivity is 112 decibels. The cable has a length of 1.5 meters and is connected Mutually, the 3.5 mm jack is for connection to the players straight. The Sennheiser PXC 250-II folds up and comes with a carrying case and airplane adapter.
How effective “NoiseGard” really works, will show the first test. The headphones will be available this month in the trade, the price, the manufacturer makes no details.
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