HMDX Cube HX-B440 Instruction Manual And  Warranty Information Download Page 2

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CONGRATULATIONS ON YOUR PURCHASE.

Thank you for purchasing the HMDX CUBE Bluetooth

® 

Clock Radio. It will  

wake you up as you command but the CUBE is so awesome you may  
never want to rest.

Please take a few moments to read through this manual for a quick and easy 
explanation of features and operation of your new CUBE. 

CUBE BLUETOOTH

®

 CLOCK RADIO MAIN FEATURES 

• Connects wirelessly using proven Bluetooth

®

 technology with smartphones, 

tablets and many notebooks and MP3 players 

• Full function dual alarm with snooze and gradual wake 

• Digital FM radio with 10 presets 

• Energy saving LED night light 

• Superior sound quality

• USB charging port 

• Enhanced LCD display 

• Battery backup

IMPORTANT SAFEGUARDS:

When using an electrical product, basic precautions should always be followed, 
including the following:

READ ALL INSTRUCTIONS BEFORE USING

• Close supervision is necessary when this product is used by, on or near children, 

invalids or disabled persons.

•  

WARNING: Do not place speakers too close to ears. May cause damage to  

ear drums, especially in young children.

•  Use this product only for its intended use as described in this manual.  

Do not use attachments not recommended by HMDX.

• Do not place or store this product where it can fall or be dropped into a  

tub or sink.

• Do not place or drop into water or any other liquid.

• Not for use by children. THIS IS NOT A TOY.

• Turn off product when not in use.

• Never operate this product if it has a damaged cord, plug, cable or housing.

• Keep away from heated surfaces.

• Only set on dry surfaces. Do not place on surface wet from water or  

cleaning solvents.

SAVE THESE INSTRUCTIONS

Caution: Please read all instructions carefully before operating.
• Never leave the product unattended, especially if children are present.
• Never cover the product when it is in operation.
• This unit should not be used by children without adult supervision.
• Always keep the product away from high temperature and fire.

BATTERY PRECAUTIONS

• Use only the size and type of batteries specified. 
• When installing batteries, observe /- polarities. Incorrect installation of battery 

may cause damage to the unit. 

• If the unit is not going to be used for a long period of time, remove batteries to 

prevent damage due to possible battery leakage. 

• Do not dispose of batteries in fire. Batteries may explode or leak. 
This product contains small parts that may present a choking hazard for young children. 
CAUTION: All servicing of this product must be performed by authorized HMDX Service 
Personnel only 

GETTING STARTED 

Unpack the unit carefully. Remove all the accessories from the display carton. Do not 
remove any labels or stickers on the bottom of the unit or adapter. Before setting up the 
unit, verify that the following accessories are present: 

• CUBE Bluetooth

®

 Clock Radio x 1 

• AC power adapter x 1 

• 3.5mm audio cable x 1 

POWER SOURCE 

(FIG. 1)

This unit is supplied with an AC adapter; take the following steps to connect the adaptor. 

1. Unwind the power cord of the AC adaptor to its full length.

2. Connect the AC adapter to the DC Jack (Fig. 1).

3. Plug the AC adapter into an outlet (100v – 240VAC 50/60 Hz). Connecting this system 

to any other power source may cause damage to the system. For sufficient ventilation, 

keep other objects at least 4 inches away from the unit.

4. To switch the unit off completely, unplug the AC adapter from the wall outlet.

REPLACING BACKUP BATTERY IF NEEDED 

This alarm clock is equipped with a battery backup feature (batteries included and 
already installed) to keep the clock time during power outage. 

1. Open battery compartment door located on the bottom of the unit. 

2. Please make sure the AC adapter is connected. Otherwise all settings may be lost 

during battery replacement. 

3. Insert proper replacement battery (CR-2025), checking that the polarity (“+” and “–“ 

ends of the battery) matches the drawing near the battery compartment. Close the 

compartment door. 

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