Electronics / Jobsite Audio
Bosch GPB 18V-5 C / 18V-5 SC Construction Site Radio User Manual
Quick guide for the Bosch GPB 18V-5 C and 18V-5 SC construction site radio. Learn how to power the unit, set up radio stations, use Bluetooth and AUX, and charge external devices.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This radio can be powered by mains (230/110V) or Bosch 18V Li-ion batteries. It features DAB+ (SC model only), FM, Bluetooth, and AUX audio sources. It also provides USB charging (2.1A) and AC power outlets for other tools.
Device Description
The radio includes a speaker, carrying handle, media compartment (Digital Media Bay) for AUX and USB, and a battery compartment. Controls include volume/menu knobs, source selection, and preset buttons.
Power Supply
Mains: Ensure the mains voltage matches the radio's type plate. Battery: Use only Bosch 18V GBA or ProCORE18V batteries. The radio features ECP (Electronic Cell Protection) to prevent deep discharge. Back-up batteries: Insert 2x 1.5V AA batteries in the designated compartment to save time and settings.
Audio Operation
On/Off: Press the On/Off button. Volume: Turn the Clock or Menu knob to adjust volume (0-30). Sound: Use the Equalizer button to select presets (Jazz, Rock, Pop, Classic) or Custom settings (treble/bass adjustment).
Audio Sources
DAB+ (SC model only): Select via Source button. Use Auto Scan or Manual Tune to find stations. FM: Select via Source button. Use Seek buttons to find stations. AUX: Connect external devices via 3.5mm AUX IN. Bluetooth: Press Bluetooth button or select via Source button to pair smartphones or other devices.
External Devices
USB Charging: Connect devices to the USB charging socket (max 2.1A). AC Outlets: Use the AC sockets to power other electrical tools (only when radio is connected to mains).
Maintenance
Keep the radio clean using a soft, damp cloth. Do not use detergents or solvents. If the power cord needs replacement, contact an authorized Bosch service center.
Manufacturer information
Bosch
Practical help
Common problems
Radio does not turn on
Check battery charge or ensure the mains plug is correctly inserted.
No sound
Check volume level or ensure the Mute function is not active.
Bluetooth connection fails
Ensure the radio is in pairing mode and check your device's Bluetooth settings.
Time settings are lost
Replace the back-up batteries in the battery compartment.
Before use
- Check radio, cable, and plug for damage.
- Insert back-up batteries for clock and settings.
- Ensure battery is charged or mains power is available.
- Check that all covers (media bay, battery, AC) are closed to protect against water and dust.
Specs in practice
- Amplifier output
- 4 x 5W
- Bluetooth compatibility
- Bluetooth 5.0
- USB charging current
- Max 2.1A
- Back-up batteries
- 2 x 1.5V LR6 (AA)
Images and diagrams
- Page 3: Overview of radio components (1-11).
- Page 4/5: Display and control panel layout.
- Page 6: Battery and back-up battery compartment access.
Model compatibility
- Compatible with Bosch 18V GBA and ProCORE18V batteries.
- DAB+ reception only available on GPB 18V-5 SC model.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.