Supervise children during use, cleaning and mainte-

14 | English 
1 609 92A 12F | (9.2.15)
Bosch Power Tools
Product Features
The numbering of the product features refers to the illustra-
tion of the radio on the graphics page.
1 On/Off button
2 Display
3 Media compartment
4 Locking latch of the storage compartment
5 “Mute” button
6 Carrying handle
7 “Vol +” button for increasing the volume/treble/bass 
setting
8 “Vol –” button for reducing the volume/treble/bass 
setting
9
 button (for setting the time)
10 Speaker
11 12 V connection socket
12
seek button
13 “Preset/ ” preset/play button
14
seek button
15 “EQ” button for manual sound adjustment
16 Bluetooth® button 
17 Indicator for Bluetooth® connection
18 “Source” button (for selecting an audio source)
19 “AUX 2” socket
20 Latch of back-up battery lid
21 Back-up battery lid
22 Receptacle for power-supply plug
23 Rod antenna
24 Battery port (10.8 V)
25 Battery receptacle (14.4/18 V)
26 “AUX 1” socket
27 Lid of the storage compartment
28 Lid of media compartment
29 Latch of media compartment lid
30 Plug-in connector
31 Power-supply plug
32 AUX cable
33 Battery pack*
34 Battery unlocking button
*Accessories shown or described are not part of the standard de-
livery scope of the product. A complete overview of accessories 
can be found in our accessories program.
Display Elements
a Radio frequency indicator
b Battery charge-control indicator
c Stereo indicator
d Time format indicator (3 603 JA9 04. (AUS/NZ))
e Mute indicator
f Multi-function indicator
g Audio-source indicator
Technical Data
Portable Radio
PRA MultiPower
Article number
3 603 JA9 0../3 603 JA9 04.
Back-up batteries
2 x 1.5 V (LR03/AAA)
Battery
V
10.8/14.4/18
Bluetooth®
Bluetooth® 4.0 (Classic)
1)
Weight according to EPTA-Procedure 01/2003
kg
2.9–3.1
2)
Permitted ambient temperature
– during charging
– during operation*
– during  storage
°C
°C
°C
0...+45
–10...+40
–20...+70
Recommended batteries
PBA 10,8 V ...
PBA 14,4 V ... V-./PBA 14,4 V ... W-.
PBA 18 V ... V-./PBA 18 V ... W-.
Recommended chargers
– PBA 10,8 V ...
– PBA 14,4 V ... V-./PBA 18 V ... V-.
– PBA 14,4 V ... W-./PBA 18 V ... W-.
AL 11.. CV
AL 18.. CV/AL 22.. CV
AL 18.. CV
1)
Bluetooth® devices must support the A2DP profile.
2) depending on the battery pack being used
* Limited performance at temperatures <0 °C
OBJ_BUCH-2386-001.book  Page 14  Monday, February 9, 2015  11:37 AM

 English | 
15
Bosch Power Tools
1 609 92A 12F | (9.2.15)
Declaration of Conformity
We declare under our sole responsibility that the product de-
scribed under “Technical Data” complies with all applicable 
provisions of the directives 1999/5/EC, 2004/108/EC, 
2006/95/EC, 2009/125/EC, Regulation (EC) No. 
278/2009, 2011/65/EU including their amendments and is 
in conformity with the following standards: 
EN 60065:2002-05 + A1:2006-05 + A2:2010-10 + 
A11:2008-11 + A12:2011-02, 
EN 300 328 V1.8.1:2012-06, 
EN 301 489-1 V1.8.1:2008-04, 
EN 301 489-1 V1.9.2:2011-09, 
EN 301 489-17 V2.2.1:2012-09, EN 62479:2010-09, 
EN 55013:2013-06, EN 55020:2007-01 + A11:2011-10, 
EN 61000-3-2:2006-04 + A1:2009-07 + A2:2009-07, 
EN 61000-3-3:2013-08.
Technical documents at:
Robert Bosch GmbH, PT/ETM9,
70764 Leinfelden-Echterdingen, GERMANY
12
Robert Bosch GmbH, Power Tools Division
70764 Leinfelden-Echterdingen, GERMANY
Leinfelden, 12.01.2015
Assembly
Opening/Closing the Storage Compartment
Fold the rod antenna 
23 out of its holder. Then open the lock-
ing latch 
4 of the storage compartment and fold open the lid 
27.
Note: Close the lid of the storage compartment and lock it 
using the latch 
4 when operating, transporting or storing the 
radio. Otherwise, the radio may become damaged.
Power Supply of Radio
The radio can be powered using the power-supply plug 
31 or 
using a Li-Ion battery 
33.
Operation with Battery Pack (see figures A–B)
Note: The use of batteries unsuitable for your radio can lead 
to malfunction or damage to the radio.
Note: The battery pack is supplied partially charged. To en-
sure full capacity of the battery pack, completely charge the 
battery pack in the battery charger before using for the first 
time.

Use only the chargers listed in the technical data. Only 
these chargers are matched to the lithium-ion battery of 
your radio.
The lithium-ion battery can be charged at any time without re-
ducing its service life. Interrupting the charging procedure 
does not damage the battery.
To insert a battery, open the lid 
27 of the storage compart-
ment.
–
Operation with 10.8 V battery: Insert a 10.8 V battery in-
to the battery port 
24 so that the terminals of the battery 
rest on the terminals in the battery port 
24. Allow the bat-
tery to engage in the battery port.
–
Operation with 14.4/18 V battery: Place a 14.4 V bat-
tery or an 18 V battery on the battery receptacle 
25 so that 
the terminals of the battery rest on the terminals of the bat-
tery receptacle 
25. Slide the battery onto the battery re-
ceptacle until it engages.
The battery charge-control indicator 
b appears on the display 
as soon as a battery with sufficient voltage is inserted and the 
radio is not connected to the mains by the power-supply 
plug
31.
Audio Operation/Radio
Operating voltage
– for operation with power-supply plug
– for battery-pack operation
V
V
12
10.8/14.4/18
Rated output of amplifier (for operation with power-supply plug)
2 x 3.5 W
Reception range
– FM
– AM (3 603 JA9 0.. (EU))
– AM (3 603 JA9 04. (AUS/NZ))
MHz
kHz
kHz
87.5–108
531–1602
522–1611
Portable Radio
PRA MultiPower
1)
Bluetooth® devices must support the A2DP profile.
2) depending on the battery pack being used
* Limited performance at temperatures <0 °C
Power-supply plug
Article number
1 600 A00 0..
Input voltage
V~
100–240
Frequency
Hz
50/60
Input current
mA
500
Output voltage
V=
12
Output current
mA
1500
Weight according to 
EPTA-Procedure 01/2003
kg
0.2
Protection class
/
II
Henk Becker
Executive Vice President
Engineering
Helmut Heinzelmann
Head of Product Certification
PT/ETM9
OBJ_BUCH-2386-001.book  Page 15  Monday, February 9, 2015  11:37 AM

16 | English 
1 609 92A 12F | (9.2.15)
Bosch Power Tools
The battery charge-control indicator 
b indicates the current 
battery pack status. When the battery charge-control indica-
tor flashes, the battery pack must be charged.
To remove a battery, open the lid 
27 of the storage compart-
ment.
–
Operation with 10.8 V battery: Press the unlocking but-
tons 
34 on the battery and pull it out of the battery port 24.
–
Operation with 14.4/18 V battery: Press the unlocking 
button 
34 on the battery and pull it off the battery recepta-
cle 
25.
Operation with Power-supply Plug 

Observe the mains voltage! The voltage of the power 
source for the power-supply plug must correspond with 
the data on the type plate of the power-supply plug.
Open the protective cap of the 12 V connection socket 
11. In-
sert the plug-in connector 
30 of the 12 V power-supply plug 
into the 12 V connection socket 
11. Connect the power-sup-
ply plug to the mains supply.

Use only the original Bosch power-supply plug intend-
ed for your radio. This measure alone enables trouble-
free operation of the radio.
When you remove the plug-in connector, close the protective 
cap of the 12 V connection socket 
11 again to protect against 
dirt.
The power-supply plug 
31 can be stored in the storage com-
partment of the radio when it is not being used. To do so, open 
the lid 
27 of the storage compartment. Place the power-sup-
ply plug with the mains connection in the receptacle 
22.
Inserting/Replacing the Back-up Battery
Back-up batteries must be inserted to store the time and radio 
stations on the radio. Alkali-manganese batteries are recom-
mended for this.
Open the lid 
27 of the storage compartment. If necessary, re-
move the power-supply plug 
31.
To open the battery lid 
21, press the latch 20 and remove the 
battery lid. Insert the back-up batteries. When inserting, pay 
attention to the correct polarity according to the representa-
tion on the inside of the battery lid.
Mount the back-up battery lid 
21 again.
Replace the back-up batteries if the time is no longer stored 
on the radio and the display dims.
Always replace all batteries at the same time. Only use batter-
ies from one brand and with the identical capacity.

Take the back-up batteries out of the radio when you 
are not using it for a prolonged period of time. The back-
up batteries can corrode and self-discharge during pro-
longed storage.
Operation

Protect the radio against moisture and direct sunlight. 
The radio is suitable only for use in dry indoor areas.
Audio Operation
Switching On and Off
To 
switch on the radio, press the On/Off button 1. The dis-
play 
2 is activated and the audio source selected the last time 
the radio was switched off will be played.
Each time after pressing a button, the display 
2 is illuminated 
for several seconds.
To 
switch off the radio, press the On/Off button 1 again. The 
currently selected audio source will be stored.
To save energy, only switch the radio on when you are using it.
Adjusting the Volume
A medium volume (value of 10) is always set when you switch 
on the radio.
To increase the volume, press the 
“Vol +” button 7; to reduce 
the volume, press the 
“Vol –” button 8. The volume setting 
“VL” is indicated with a value between 0 and 20 for a few sec-
onds in indicator 
f on the display.
Before adjusting or changing a radio station, set the volume to 
a lower setting; before starting an external audio source, set 
the volume to medium.
The sound can be switched off by pressing the 
“Mute” button 
5. To switch the sound on again, either press the “Mute” 
button 
5 once more or either of the “Vol +” 7 or “Vol –” but-
tons 
8.
Adjusting the Sound
An equalizer is integrated into the radio to ensure optimum 
sound reproduction.
To change the bass level manually, press the 
“EQ” button 15 
once. The display will show 
“BA” and the stored bass level in 
indicator 
f. Press the “Equalizer” button 15 again for the 
treble. 
“TR” and the stored treble level will be shown in indi-
cator 
f.
The bass and treble levels can be adjusted between –5 and 
+5. To increase the indicated value, press the 
“Vol + ” button 
7; to lower the value, press the “Vol –” button 8. The 
changed values are automatically stored when indicator 
f 
changes back to the time indication a few seconds after last 
pressing either of the buttons.
Selecting an Audio Source
To select an audio source, press the 
“Source” button 18 re-
peatedly until the required internal audio source (see “Set-
ting/Storing Radio Stations”, page 17) or external audio 
source (see “Connecting External Audio Sources”, page 17) 
is shown on the display:
–
“FM”: FM radio,
–
“AM”: AM radio,
–
“BT”: External audio source (e.g. smartphone) via the 
Bluetooth® connection,
–
“AUX 1”: External audio source (e.g. smartphone or CD 
player) via the 
“AUX 1” 3.5-mm socket 26 on the outside,
Indication
Capacity
2/3
1/3
<1/3
Reserve
Battery pack empty
OBJ_BUCH-2386-001.book  Page 16  Monday, February 9, 2015  11:37 AM

 English | 
17
Bosch Power Tools
1 609 92A 12F | (9.2.15)
–
“AUX 2”: External audio source (e.g. smartphone or MP3 
player) via the 
“AUX 2” 3.5-mm socket 19 in the storage 
compartment.
The 
“FM”, “AM”, “AUX 1” and “AUX 2” audio sources ap-
pear continuously in the audio source indicator 
g. “BT” for the 
Bluetooth® connection appears briefly in the multi-function 
indicator 
f and is subsequently indicated by the Bluetooth® in-
dicator 
17 lighting up (see “Bluetooth® connection”, 
page 17).
Setting the Rod Antenna
The radio is supplied with the rod antenna 
23 mounted. When 
listening to the radio, swing the rod antenna in the direction 
that provides the best reception.
If it is not possible to achieve sufficient reception, place the 
radio in a location with better reception.
Note: Operating the radio in the immediate vicinity of radio 
units, wireless equipment or other electronic devices may im-
pair the radio reception.
Setting/Storing Radio Stations
Press the 
“Source” button 18 until “FM” is indicated for the 
ultra-short wave reception range or 
“AM” for the medium 
wave reception range in display element 
g.
To 
set a certain radio frequency, press the 
seek button 
12 to increase the frequency or the 
seek button 
14 to de-
crease it. The current frequency is shown in indicator 
a on the 
display.
To 
scan for radio stations with a high signal strength, 
press and briefly hold the 
 seek button 
12 or the 
seek 
button 
14. The frequency of the found radio station is shown 
in indicator 
a on the display.
If a suitable signal has a sufficiently strong reception, the ra-
dio automatically switches to stereo reception. The stereo in-
dicator 
c will appear on the display.
To 
store a set station, press the “Preset/ ” preset/play but-
ton 
13 until the “PR” indicator and the number of the most re-
cently set preset flash in indicator 
f. To select a preset, press 
the 
 seek button 
12 or the   seek button 14 repeatedly 
until the required preset appears in indicator 
f. Press the 
“Preset/ ” preset/play button 13 again to store the set sta-
tion on the selected preset.
You can store 10 FM stations and 10 AM stations. Please note 
that if selected again, an occupied preset will be overwritten 
with the new radio station.
To 
play a stored station, briefly press the “Preset/ ” pre-
set/play button 
13 and then the   seek button 12 or the   
seek button 
14 repeatedly until “PR” and the required preset 
appear in indicator 
f.
Connecting External Audio Sources
Apart from the integrated radio, various external audio sourc-
es can be played.
Bluetooth® connection:
– To activate the 
Bluetooth® connection, you can either 
press the 
“Source” button 18 repeatedly until “BT” for the 
Bluetooth® connection appears in the multi-function indi-
cator 
f, or press the Bluetooth® button 16. The Bluetooth® 
indicator 
17 flashes slowly to indicate that a connection 
has not yet been established.
– To establish a connection to a suitable audio source, press 
the 
Bluetooth® button 16 for at least 2 s. During the 
search, the 
Bluetooth® indicator 17 will flash quickly.
–  
“PRA MultiPower” appears on the display of the audio 
source and has to be activated there. To do so, also ob-
serve the operating instructions of your audio source.
– The 
Bluetooth® indicator 17 lights up continuously as soon 
as the 
Bluetooth® connection has been established. If the 
Bluetooth® button 16 is pressed again for at least 2 s dur-
ing a connection search or while there is an existing con-
nection, a new connection will be established.
– Note: When initially connecting (pairing) the radio to an ex-
ternal audio source, you may be prompted to enter a PIN 
code for the radio. In this case, enter “1234”.
“AUX 1” connection:
–   The 
“AUX 1” connection is especially suitable for audio 
sources that are to be kept outside of the storage compart-
ment (e.g. smartphone in the media compartment 
3).
– Take off the protective cap of the 
“AUX 1” socket 26 and 
insert the 3.5-mm plug of the AUX cable provided or of an-
other suitable AUX cable into the socket. Connect the AUX 
cable to a suitable audio source.
– To  play  the 
“AUX 1” audio source, press the “Source” but-
ton 
18 repeatedly until “AUX 1” appears in indicator g.
– When you remove the plug of the AUX cable, attach the 
protective cap of the 
“AUX 1” socket 26 again to protect 
against dirt.
“AUX 2” connection:
–   The 
“AUX 2” connection is especially suitable for audio 
sources that are to be kept in the media compartment (e.g. 
smartphone or MP3 player).
– Open  the  lid 
27 of the storage compartment. Insert the 
3.5 mm plug of the AUX cable provided or of another suit-
able AUX cable into the 
“AUX 2” socket 19. Connect the 
AUX cable to a suitable audio source.
– Press the latch 

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