Increase your audio volume for the Engenius Durafon

JG
Jorge Gomez November 23, 2025

Internal Audio Adjustment Procedure for Engenius Durafon Handsets


HANDSET SPEAKER OUTPUT ADJUSTMENT FOR DURAFON 1X, DURAFON 4X, AND DURAFON PRO.

*Note, first confirm you have already tried setting volume to “6” but still need it louder.

1) Press Menu, *, *, # (star, star, pound)

2) Press Option 2 for “Boardtest”

3) Press 41 and you will be in the “Codec Out” test.

4) Note the digit on the bottom right corner. Default is typically between 3 to 5.

5) Zero is loudest, 9 is lowest. Adjust accordingly.

6) After changing the value press “End” to finish and again to exit.

SECONDARY HANDSET SPEAKER OUTPUT ADJUSTMENT FOR DURAFON 4X AND PRO MODELS ONLY.

1) Press Menu, *, *, # (star, star, pound)

2) Press option 4 for “Vol Adjust”

3) Use the up/down arrows to adjust between -8,-4, 0, +4, and +8.

4) +8 is loudest, -8 is lowest, and default is zero.

5) Adjust accordingly and then press the top left button to save.

6) Now press “End” 3 times to exit.

HANDSET MICROPHONE SENSITIVITY ADJUSTMENT FOR DURAFON 1X, 4X, AND PRO.

1) Press Menu, *, *, # (star, star, pound)

2) Press Option 2 for “Boardtest”

3) Press 51 and you will be in the “Codec In” test.

4) Note the digit on the bottom right corner. Default value is typically between 3 to 5.

5) Zero is loudest, 9 is lowest. Adjust accordingly.

6) After changing the value press “End” to finish and again to exit.