Adastra 953.091UK User manual
IW30B
In-wall Bluetooth®Amplifier
Item ref: 953.091UK
User Manual
Version 1.3
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
953.091UK User Manual
Introduction
Thank you for choosing the Adastra IW30B in-wall amplifier for your discreet audio
installation. This unit is designed to power wall or ceiling mounted speakers and receive
audio via Bluetooth. Please read this manual to gain the best results from your product and
avoid damage through misuse.
SAFETY SYMBOL AND MESSAGE CONVENTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS
RISQUE DE CHOC ELECTRIQUE NE PAS
OUVRIR
This symbol indicates that dangerous voltage constituting a risk of electric shock is
present within this unit
This symbol indicates that there are important operating and maintenance instructions in
the literature accompanying this unit.
Warning
To prevent the risk of fire or electric shock, do not expose any components to rain or moisture. If
liquids are spilled on the casing, stop using immediately, allow unit to dry out and have checked by
qualified personnel before further use. Avoid impact, extreme pressure or heavy vibration to the case.
No user serviceable parts inside –Do not open the case –refer all servicing to qualified service
personnel.
Safety
•Check for correct mains voltage before connecting the power adaptor
•Use only the power adaptor provided or an identical replacement
Placement
•The IW30B can be installed in a ceiling or stud wall to power flush or surface mount speakers
•The IW30B can also be surface mounted if necessary
•Ensure adequate ventilation for cooling and keep away from combustible material or moisture
•Ensure that the IW30B is within Bluetooth connection range of the sending device
Cleaning
•Use a soft cloth with a neutral detergent to clean the housing as required
•Use a vacuum cleaner to clear apertures and controls of any dust or debris build-ups
•Do not use solvents for cleaning the unit
953.091UK User Manual
Connections
Installation
Locate the IW30B in the ceiling, wall or on the surface required. Tabs at each end of the
housing can be used for securing with screws.
Connect speakers using the supplied wires or equivalent by connecting “+” and “-” on the
speaker to the relevant connection on the IW30B. The speaker connections are via screw
terminals on a Euroblock, which can be removed for easy access whilst making connections.
Important: Ensure that the load is no lower than 4Ωfor each output.
(e.g. 2 x 4Ω speakers… or… 2 pairs of 8Ω speakers wired in parallel)
Ensure that the speakers can handle 15W from each output.
If the IW30B is to be used with a wired audio line level input (instead of Bluetooth), connect
this to the Euroblock terminals labelled “AUX IN” as shown on the Connections diagram
above.
Left positive connection (Left+) should be connected to “L”
Right positive connection (Right+) should be connected to “R”
Both negative connections (Left- and Right-) should be connected to “G”
(G is the terminal for Ground connection –common for both Left and Right signals)
Likewise, the Bluetooth or Aux input can be relayed to further IW30B or other amplifiers by
connecting a line level output from the Euroblock terminals labelled “AUX OUT”
AUX IN and AUX OUT connections should be made using shielded stereo audio cable and
not speaker cable.
953.091UK User Manual
Operation
When powered up, the IW30B will be open for Bluetooth pairing.
(a small LED will flash inside the housing)
Ensure that only the first IW30B in an AUX OUT-IN daisy chain is powered up initially.
This will ensure that all of the amps in the daisy chain receive the same audio.
Search available Bluetooth devices on your smart phone or other sending device for a device
with Bluetooth ID “IW30B-****”(where **** is a unique ID number for each unit)
Select to pair and connect with this ID (for Android devices, it is possible to rename it)
Note: Once pairing is successfully completed, no other devices can pair with the
IW30B until it has been powered down and then on again.
When paired and connected, set the volume low on the smart phone or other sending
device and play a track to check the sound through the speakers.
Power down the IW30B when not in use and isolate from the mains if not used for long
periods of time.
Specifications
Power supply
12Vdc, 2000mA (adaptor included)
Bluetooth version
4.0
Output : rms @ 4Ω
2 x 15W
Minimum impedance
4Ωper output
Speaker outputs
L-/L+/R-/R+ screw terminals (Euroblock)
Auxiliary input
L/G/R screw terminals (Euroblock)
Auxillary output
L/G/R screw terminals (Euroblock)
Dimensions
124 x 40 x 27mm
Weight
60g (excluding power adaptor)
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as
Electrical or Electronic equipment and should not be disposed with other household or commercial waste
at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Hereby, AVSL Group Ltd. declares that the radio equipment type 953.091UK is in compliance with
Directive 2014/53/EU
The full text of the EU declaration of conformity is available at the following internet address:
http://www.avsl.com/assets/exportdoc/9/5/953091UK%20CE.pdf
Errors and omissions excepted. Copyright© 2021. AVSL Group Ltd.
Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland
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