Memorex MA3911MS Prospecto

• Insert one end of the audio cable (not included) into the LINE OUT jack on

your external audio unit and the other end into the Line In jack 

X 

on the rear 

of this unit. To listen to the external audio unit, turn this unit on by pressing 
and holding the Power button 

x

 until the indicator lights and turn on the 

external unit as well. Repeatedly press the Source button 

y 

to select LINE IN 

mode; the indicator will light purple. The external audio unit’s output sound 
will be heard through this unit’s speaker. If you wish to listen to the Bluetooth 
enabled mobile device, press the Source button 

y 

to select Audio Device 

mode; the indicator will light orange (or blue if not paired).

GENERAL:
Power Source (AC) .............................................DC 5V Adapter (Center Positive)
Power Source (DC) .................................................... 4 “AAA” size 1.5V Batteries
Speaker. .............................................................................................. 2 x 4 ohm
Output Power  ........................................................................................ . 2 x 1W
Weight.. ......................................................................................................5.5 oz
Dimensions ........................................................... 4 (W) x 2.4 (D) x 2.5 (H) inches

Specifications are subject to change without notice.

For additional setup or operating assistance, or an electronic version of the 
MA3911MS user guide, please visit www.memorex.com

For consumer replaceable part(s), verify part number(s) then contact our parts and 
accessories fulfillment center at: 1-800-379-8439

1

2

3

4

5

8

7

6

source

9.  Line In Jack
10. DC In 5V Jack 
 

(AC Adapter Part No. E18-00745-01*)

11. Battery Compartment 
 

(Battery Compartment Cover Part No. P14-00262-01*)

1.  Volume – Button
2.  Volume + Button
3.   Button
4.  Power Button
5.  Source Button (Audio Device/Aux In)
6.  Microphone
7.  Speaker
8.  Indicator (Source/Power /Pairing)

9

10

11

Imation Enterprises Corp.
1 Imation Way, Oakdale, MN 55128-3414 USA 
www.memorex.com
© Imation Corp.
Memorex and the Memorex logo are trademarks of Imation Corp. and its affiliates.

All other trademarks are property of their respective owners.

73952100A

SYMPTOM

No sound.

Bluetooth mode: 

no sound.

CAUSE

Volume is set to minimum.

Power is not on.

Batteries are weak or dead.

Unit is in Aux mode.

Unit is not paired.

SOLUTION

Increase volume.

Press and hold the Power 

button to turn the unit on.

Replace batteries.

Press the Source button to 

select correct mode.

Pair unit (see the Pairing a 

Bluetooth enabled Mobile 

Device section).

*For consumer replaceable part(s), verify part number(s) 
then contact our parts and accessories fulfillment center   
at: 1-800-379-8439.

  When the volume is at the maximum or minimum level and the Volume + 

v

 

or – 

u

 button is pressed, the purple indicator will blink. To turn off the unit, 

press and hold the Power button 

x

 until the indicator turns off and a series 

of beeps sound.