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A
-
+
B
+
+
SP 220
Dual Speakerphone
Sennheiser
A
B
3.5 mm
3.5 mm
-
+
-
+
-
+
100%
The LED lights up for a few
seconds when the next
charging level is reached
before turning off again.
5s off
USB
B
A
or
B
B
+
-
+
B
A
or
+
-
+
A B
&
Dual
USB
USB
3.5 mm
-
+
Volume
max
USB
Conferencing
across devices
3.5 mm
III
-
+
-
+
II
I
A
or
Safety
Guide
-
+
-
+
Quick
Guide
in music mode:
stereo sound
3.5 mm
A
-
+
B
-
+
A
-
+
B
B
B
B
B
-
+
A B
&
Dual
Setting up a
conference call (plug & play):
When connected to USB and
3.5 mm jack, all calls are merged
into a conference call (
I+II+III
).
audio signal
e.g. incoming call
LED green = call
LED purple = music
A B
&
Dual
B
A
or
+
-
+
USB
3.5 mm
Conference
across devices
1
2
Returns to
sleep mode
after disconnecting.
For best results,
set mobile
volume to max.
3
A B
&
-
+
-
+
-
+
A
-
+
B
-
+
3.5 mm
B
A
>40 cm
-
+
-
+
B
A
<210 cm
-
+
-
+
Dual
SP 20 and SP 20 ML speakerphones
do not support dual operation.
Only SP 220 (SP 20 D)
speakerphones can be linked.
!
Sleep mode
Speakerphone B switches on automatically
as soon as an audio signal is available.
Speakerphone will automatically power OFF
if running on batteries and idle for > 1 hour.
To reactivate:
Press and hold the green button for 2s.
LED lights up green shortly.
wakes up within 5s
> 1 h
Battery
save mode
SP 20 D*
SP 20 D*
*2x SP 20 D + Dual cable = SP 220
Waking up second speakerphone
Quick Guide
EN
Connection possibilities
Package contents
Connecting via USB cable & charging the battery
Changing from dual connection to conferencing across devices
Connecting via audio cable
Connecting to a computer & a mobile device
Connecting the second speakerphone