![](/html/0d/0d3e/0d3ee70b446f05e0764c233b6ab1e8b383575dff9f6180c15a6f469f262962c5/bg1.png)
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
-
+
AB
&
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
AB
&
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
AB
&
Dual
-
+
USB
3.5 mm
Conference
across devices
1
2
Returns to
sleep mode
after disconnecting.
For best results,
set mobile
volume to max.
3
AB
&
-
+
-
+
-
+
A
-
+
B
3.5 mm
BA
>40 cm
-
+
-
+
BA
<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 GuideEN
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
![](/html/0d/0d3e/0d3ee70b446f05e0764c233b6ab1e8b383575dff9f6180c15a6f469f262962c5/bg2.png)
Mute/Unmute ringtone
(only during incoming call):
Mute ringtone: Press & hold
the “–” button for 2 seconds.
Unmute ringtone:
Press and hold the “+” button
for 2 seconds.
Active call/
Music listening:
Increases or reduces
the speech or
music volume
While idle
(no active call or
music listening):
Increase or reduce
the tone volume.
-
+
-
+
-
+
AB
&
Dual
Swaps between the
held and active call
Accepts the
incoming call and
puts an active call on hold
Managing multiple calls
call 1 call 2
Redials the last number
Puts an active call on hold
2 x
2 x
Accepts/Initiates a call
2 x
+45 561 800 00
Bauer, Chloe
Brown, Scott
Dickens, Chris
Martinez, Pat
King, Michael
Meyers, Daniel
Smith, John
Thomson, Mary
123
456
789
*
0#
-
+
incoming call/
active call
USB USB
3.5 mm
Rejects the incoming
call and continues
the active call
Managing multiple calls
call 1 call 2
Ends a call for devices
connected via USB
Rejects a call
1s
Accepts a call
Initiates a call
Ends a call
1 2 3
4 5 6
7 8 9
* 0 #
GHI
ABC
JKL
TUV
DEF
MNO
WXYZ
PQRS
-
+
A
or
AB
&
Dual
AB
&
Dual
*
not included
Use an optional
external power supply*
Connect a
second computer
-
+
?
100%
20 h
When using 3.5 mm only,
button does not
end calls, but shows the
remaining battery power.
Below 30 min talk time,
automatic voice prompts:
“Battery level low“
3.5 mm
c
call & music volume
is synchronised
AB
&
Dual
mute & unmute
is synchronised
Check
battery level
a
-
+
-
+
-
+
Up to 20 hours of talk time
when batter is full charged.
20 h
B
-
+
*
USB
When idle
(no call or music),
yellow indicates
charging only
-
+
-
+
-
+
B
-
+
“Battery level low“
5s off
USB
You can either use the first
or the second computer
for calls and music.
or1 2
b
-
+
-
+
-
+
LEDs turn off.
Call will be placed on hold*.
1
A
-
+
3
B
-
+
Call will resume*.
*Depending on the softphone.
Swap speakerphones
A and B
-
+
A
or
MONO
B
-
+
AB
&
Dual
Stereo mode
left
speaker
A
right
speaker
B
STEREO
L R
Press & hold
the mute
button .
Music mode
activates
automatically.
3.5 mm
USB
5s
Music
mode ON
Music
mode OFF
To charge second speakerphone B, follow:
c
a
b
or or
-
+
Using with a USB device
Adjusting the volume
Muting the microphone
Listening to music
Charging the battery of the second speakerphone
Cleaning the product
When ONLY using a MOBILE DEVICE