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To download this User’s Guide in English, Spanish, or French, or to get answers to frequently asked questions, visit the support section at: 

www.gpx.com

Para descargar este Manual del Usuario en inglés, español y francés, o para obtener respuestas a preguntas frecuentes, visite la sección de 

apoyo en: 

www.gpx.com

Pour télécharger ce guide de l’utilisateur en anglais, espagnol ou français, ou pour obtenir des réponses à des questions fréquemment 

posées, consultez la rubrique d’assistance sur: 

www.gpx.com

For Warranty Information and the most up-to-date version of this User’s Guide, go to 

www.gpx.com 

Customer Service: 

1-888-999-4215 | 

Email Support:

 prodinfo@dpiinc.com | 

Email Parts:

 partsinfo@dpiinc.com

Copyright © 2019 Digital Products International (DPI, Inc.) All other trademarks appearing herein are the property of their respective owners. 

Specifications are subject to change without notice.

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Line In

Requires a 3.5mm audio cable (not included). 

1.  Connect a 3.5mm audio cable to the 

Line In

 on the unit and the 

audio 

output/headphone jack

 on an audio device. 

2.  Press 

Source

 to switch to 

Line In Mode.

3.  Use the controls on the connected device to select and play audio. Be sure 

the volume on your connected device is audible when you begin playing.

Microphone

Requires a microphone with 1/4 in. input (included).

1.  Connect a microphone 

to either of the 

Mic 

Inputs

 on the unit. 

Whenever a microphone 

is plugged in, it will 

transmit audio in 

addition to other 

sources that may be 

playing.

2.  Before use, be sure the 

Mic ON/OFF switches 

on the microphone 

and the speaker are in 

the ON position. Use 

the Mic Volume and 

Echo controls to adjust 

the microphone audio 

levels.

 

USB

LINE IN

DC IN

 

SPEAKER LIGHT

MASTER VOLUME

ECHO

DISCO LIGHT

POWER

MIC LEVEL

SOURCE

MIC 1

MIC 2

MIN

MAX

MIN

MAX

MIN

MAX

MIC ON/OFF

MUTE

STOP

PAIR/

SKIP

/ –10

10 /

USB

1.  Load a USB drive into the USB Media port. The speaker will automatically 

switch to USB Mode, indicated on the display, and begin playing media on 

the drive.

2.  Use the controls on the speaker to select and play audio from the 

connected drive.

 

USB

LINE IN

DC IN

Power

To power the karaoke machine, plug the USB power adapter (included) into the DC 

Power Input on the speaker and a standard power outlet.

 

USB

LINE IN

DC IN

Bluetooth Wireless

Pairing & Playing Audio 

1.  When the speaker first powers ON it defaults to Bluetooth Mode and is 

ready to pair automatically. When pairing, remain within 3 feet of the 

Bluetooth device.

2.  Using the controls on your Bluetooth device, select 

JB179

B

 in the Bluetooth 

Settings to pair. If need be, refer to the user’s manual for your specific device 

for more information.

3.  When successfully paired, a voice will announce, “Bluetooth is connected.” 

Your Bluetooth device will now be heard through the speaker.

4.  Use the controls on the connected Bluetooth device to select and play 

audio. Use the speaker controls or the connected Bluetooth device to play, 

pause, and adjust the volume level.

After initial pairing, the speaker will automatically connect to the last Bluetooth 

device used whenever it is in Bluetooth Mode. 

Note:

 If your device should become 

unpaired or you find it is unable to connect, press & hold the   button to enter 

to Pairing Mode. A voice will announce, “Bluetooth is connecting, ” and you can 

connect to the speaker manually.

 

USB

LINE IN

DC IN

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