STEP 1
1) First of all, please note that Feedforward Active Noise Cancellation technology provides the ability to increase some frequencies of surround sound in Environmental sound mode to hear voices when using the E3 headphones.
Please make sure the Environmental mode is turned off. Press shortly the ANC button till you see that the LED next to it turns off. If the LED is green, it means either ANC or Environmental mode is still on.
2) If the sound is somehow disappointing, kindly try checking the equalizer and application preset on your device. To set the equalizer- typically, for a mobile, it is - settings - music - equalizer. However, it depends on the brand of your device. Also, there are many equalizer apps available to download.
STEP 2
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