PC 21-II
The PC 21-II is a single-sided headset that
lets you enjoy phoning over the internet
– while keeping an ear on what’s going on
around you. It’s easy-to-use, and features
improved noise-canceling technology
for great voice clarity. It is ideal for using
speech recognition applications.
Benefi ts and Features:
Sennheiser sound – a quality speaker
delivers great acoustic performance
Noise canceling clarity – the microphone
fi lters out ambient noise, so your voice is
always clear and easy to understand
Reliable speech recognition – the
microphone is specially designed for your
device’s speech recognition function
Keep one ear free – the single-sided
design keeps you in touch with your
surroundings
Fully fl exible boom arm – adjust the
microphone for optimal voice pick-up
and comfort
Light and comfortable – with the
lightweight headband, it’s easy to
forget you are even wearing a headset
Peace of mind – thanks to the 2-year
international warranty
Technical Data
EAN No.
UPC No.
Art. No.
General Data
Wearing style
Cable length
Connector sockets
Weight
Headphones
Frequency response
Impedance
Sound pressure level
Microphone
Frequency response
Pick-up pattern
Impedance
Sensitivity
Accessories
Supplied
Packaging
Design
Dimension of product packaging
(W x H x D)
Dimension of inner master carton
(W x H x D)
Dimension of outer master carton
(W x H x D)
Languages
Warranty
PC 21-II
4 044155 078596
6 15104 22903 7
504520
Single-sided headband
3m / 9.8ft
2 x 3.5 mm
60 g
40-18,000 Hz
32 Ω
109 dB
80 – 15,000 Hz
Noise canceling
2 k Ω
-38dBV/Pa
None
Full blister
235 x 205 x 70 mm
N/A x N/A x N/A
440 x 510 x 400 mm
English, Dutch, French, German, Italian, Portugese, Spanish
2 years