PRODUCT SAFETY
• This unit can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the unit in a safe way and understand
the hazards involved.
• Children below 8 years shall not play with the unit.
• Do not use this unit in locations where paint, petrol or other flammable liquids or materials are
used or stored.
• To prevent the risk of electric shock or fire do not expose the amplifier or power supply to
moisture or rain.
• If the amplifier or power supply comes into contact with water or other liquids stop using
immediately and have the unit checked by a qualified person before further use.
• Ensure there is adequate ventilation around the unit and the power supply before use
• Do not use the unit for any purpose other than its intended use.
• Check the unit and power supply for damage periodically. If any damage is detected stop using
it immediately and consult your supplier.
• For domestic use only
• There are no user serviceable parts in this product
• Do not leave this product switched on unattended.
• Only use the power supply provided with this unit
• This unit must only be installed by a competent person after taking a site survey to establish
that the structure is suitable and that there are no existing plumbing, gas, electrical services or
other obstructions already in place.
• Disconnect from the mains supply when not in use.
GENERAL SAFETY REQUIREMENTS
Domestic wiring must be tested periodically by a qualified electrician at least once every 10 years
or at every change of occupancy.
For office and retail premises, and buildings such as village halls, the wiring must be inspected at
least once every 5 years.
It is recommended that all building be fitted with smoke alarms (it is mandatory for new
buildings).
BOX CONTENTS
4 x 3m speaker cables
1 x Bluetooth Power Amplifier
1 x Power Supply
PLACEMENT
Locate the B428BL on a wall (using the tabs at either end for screws, see diagram on next page),
in a cavity wall or in a ceiling.