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RISK OF ELECTRIC 

SHOCK, DO NOT 

OPEN

CAUTION

Caution: To reduce the risk of electric shock do not open 
this device, there are not serviceable parts for customers. 
Please  refer  any  maintenance  or  repair  to  qualified 
personnel. 

This  sign  means  the  existence  of  dangerous  voltage  at 
the inside of the unit, which states a risk of electric shock.

This sign means that there are important instructions of 
operation and handling in the manual that comes with this 
device. 

0800 – ELECTRIC (353-2874)

01-900-331-PEJC  (7352)

300-5185

www.premiermundo.com

servicioalcliente@premiermundo.com

PREMIER CUSTOMER SERVICE

NOTE

This unit may be submitted to changes in specifications, characteristics and/or operation 
without prior notice to the user, in order to continue improving and developing its technology.

1

WARNING

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or 

moisture.

To avoid electrical shock, do not open the cabinet.
Refer servicing to qualified personnel only.
Do not install the appliance in a confined space, such as a bookcase or built-in 

cabinet.

To reduce the risk of fire or electric shock, do no place objects filled with liquids, 

such as vases, on the apparatus.

Connect the apparatus to an easily accessible AC outlet. Should you notice an 

abnormality in the apparatus, disconnect the main plug from the AC outlet immediately.

WARNING

1.Battery may explode if mistreated.
2.Do not recharge, disassemble or dispose of in fire.

AC operation

1.Before the first connecting of the appliance check that voltage indicated on the rating 

label corresponds to the mains voltage in your home.

2. Plug the corresponding end of cord into the power socket on the rear of the set.
3. Insert the plug into power supply.

Battery operation

Insert 4 pcs of C-type (UM2) batteries. Please observe correct battery polarities or 

the set will not work.

Recharging the Battery (Built in Rechargeable Battery)

1.Plug in the power(AC 110/220V)can be automatically charged, It will automatically 

stop charging when the electricity be saturation.(Any state

)

2.The first charge must be more than 12 hours
3.Theory of working time is 2 hours
Note: This unit does not charge UM2 batteries installed in the battery compartment.

DC JACK

Recharge of Li-ion battery will not be possible through the DC jack.

2

Accessories

1 pc

1 pc

1 pc

 

1 pc

5. SILICA GEL

1

2

Remote controller  

3

Power cord 

4

Instruction manual

AUX/MP3-IN CONNECTOR CABLE

1 pc

Summary of Contents for SX-4457USD

Page 1: ...MICRO SD CARD READER In order to achieve the best performance of your product please read this instruction manual carefully before using and keep it for future reference If you need extra support please write to info premiermundo com ...

Page 2: ...e at the inside of the unit which states a risk of electric shock This sign means that there are important instructions of operation and handling in the manual that comes with this device 0800 ELECTRIC 353 2874 01 900 331 PEJC 7352 300 5185 www premiermundo com servicioalcliente premiermundo com PREMIER CUSTOMER SERVICE NOTE This unit may be submitted to changes in specifications characteristics a...

Page 3: ...pliance check that voltage indicated on the rating label corresponds to the mains voltage in your home 2 Plug the corresponding end of cord into the power socket on the rear of the set 3 Insert the plug into power supply Battery operation Insert 4 pcs of C type UM2 batteries Please observe correct battery polarities or the set will not work Recharging the Battery Built in Rechargeable Battery 1 Pl...

Page 4: ...ator 10 Dial scale 11 TUNING regulator 12 BASS ON OFF button 13 USB port Function switch 6 7 5 14 EQ button 15 REPEAT button 16 PREV button 17 NEXT button 18 PLAY PAUSE button 19 STOP button 20 21 LCD IR sensor Display 22 Power cord socket 23 Battery options 24 Phone socket 25 AUX MP3 IN Not indicated battery compartment bottom 9 1 3 2 4 5 Control elements 22 23 24 25 ...

Page 5: ...2 Install 1 CR2025 Lithium battery with the positive side facing up 3 Replace the battery compartment Note Only playback of MP3 is available 4 RADIO operation 1 By factory default RADIO starts once power is on 2 Push AM FM SW1 SW2 to switch between AM FM SW1 SW2 band 3 Extend the length of the telescopic and to enhance FM reception turn the unit horizontally to enhance AM reception 4 Rotate TUNING...

Page 6: ...d to the next track Press and hold to fast backward and to fast forward of the current playing track 4 Connect the unit s USB to a PC s USB socket under MS Windows OS the PC automatically configures to work as a Sound Card and speaker Playing MP3 audio from a SD MMC TF MICRO SD card 1 Insert a Card playback starts automatically 2 MODE button Press MODE button to switch between the mode of SD TF US...

Page 7: ...y Range 530 1600KHz SW Frequency Range 5 8 20 5MHz FM SW Telescopic antenna AM Built in ferrite bar antenna Storeage Media USB Flash Drive SD Card MMC Card Micro SD Card Speaker 66mm cone type 2 3 5mm Headphone Socket For 32 ohm Impedance Headphones Power output 1 8W 1 8W EIAJ 4OHM x 2 Power requirements DC 6V using 4 size C R14 batteries or AC 110V 220V 60 50Hz Power consumption 9W Dimensions LxW...

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