Subwoofer setup & Calibration


2.1 mode phase alignment

Objective : to align subwoofer low bass output in-phase with main speaker mid-bass. Remove bass layer sound blur due to mis-aligned sound overlapping.
Setting : measure distance apart of subwoofer relative to main speaker. Apply distance (unit in meter), listen on bass layer sound clarity. Fine tune the setting to get clean bass.
Remark : Phase alignment only apply on stereo 2.1 mode.


Subwoofer volume

Change your subwoofer master output level, total 40 steps in 1dB. Volume level change will have effect on all audio mode.
Tips : to set subwoofer level separated in different audio mode, go to corrseponding sound setting page to set subwoofer level.


Position (from main speaker)

Set your subwoofer placement position with respect to main speaker, selection of 0m (on line), 1.6m, 3.2m, 6.4m.
Remark : you need to do phase alignment after you change subwoofer position setting. Phase alignment value is depend on position value for which position value as a reference point of measurement.


Set cutoff frequency

Select subwoofer cut off crossover point.
Tips : highly recommend use [Default] setting. Default setting is preloaded set of patameters match to subwoofers and speakers.


Set local LFE

To enable/disable LFE output port (for the connection of external active subwoofer).
Boost output has 6dB gain, special design for low sensitivity subwoofer, or long cabling to reduce noise pick up.
Tips : disable LFE output if you don’t use it, you will get better sound.