
HS-1/D, HS-2/D, HR-2/E
Professional Headset
USER MANUAL
Issue 2012 © ASL Intercom BV
DESIGNED & MANUFACTURED BY:
ASL Intercom BV
Zonnebaan 42
3542 EG Utrecht
The Netherlands
Tel: +31 (0)30 2411901
Fax: +31 (0)30 2667373
Web: www.asl-inter.com

INTRODUCTION HS-1/D, HS-2/D,
HR-2/E
The HS-1/D is a single muff, light weight
headset with dynamic microphone and
XLR-4 connector.
The HS-2/D is a double muff, light weight
headset with dynamic microphone and
XLR-4 connector.
The HR-2/E is a double muff rugged
headset with electret microphone and
XLR-4 connector.
CONNECTION
The HS-1/D, HS-2/D and HR-2/E headsets
are supplied with connecting cable.
APPLICATIONS
The HS-1/D, HS-2/D and HR-2/E headsets
are used for intercom and talkback
systems as well as other applications
where a dynamic or electret microphone
headset is required
TECHNICAL SPECIFICATIONS
Headphone HS-1/D, HS-2/D, HR-2/E
Transducer type:
Dynamic
Frequency response (-10dB):
20-20000 Hz (HS-1/D, HS-2/D
20-18000 Hz (HR-2/E)
Unit impedence (at 1KHz):
400 ± 15 % Ώ (HS-1/D)
200 ± 15 % Ώ (HS-2/D, HR-2/E)
SPL (1mW CNS):
92 ± 4 dB
T.H.D. at S.O.P.:
< 3 %
OPERATION
The HS-1/D, HS-2/D and HR-2/E headsets
are professional products. It is important
that the external equipment they are
connected to is of similar quality and has
the correct impedance and power ratings
to achieve the best performance.
SAFETY
Make sure that the headset is plugged into
the drive amplifier before you put them on.
This will give the technician the chance to
check that the volume levels are not too
high. Please take into consideration that
too high level hearing may lead to
irrevocable hearing damage.
Microphone HS-1/D, HS-2/D, HR-2/E
Transducer type:
Dynamic (HS-1/D, HS-2/D)
Electret (HR-2/E)
HS-1/D HS-2/D HR-2/E
ASL reserves the right to alter specifications without prior notice.
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