1. Sandman333's Avatar
    The DT2 has two openings that look like speaker grills on the bottom, but only the right one has a speaker. Don't believe me? Play an audio source and cover them with your thumb one at a time. It seems strange that there are two openings and only one speaker. Any guesses as to why?

    Posted via the Android Central App
    11-16-2015 11:41 PM
  2. russel5150's Avatar
    Someone said its the mic for calls but i haven't tested that.

    Moto Droid Turbo 2
    11-17-2015 01:57 AM
  3. doogald's Avatar
    I've heard that it's a port for noise cancellation. The manual calls them both audio ports.
    11-17-2015 07:50 AM
  4. Sandman333's Avatar
    Microphone would make sense. I don't see any other port for it on the bottom.
    11-17-2015 09:21 AM
  5. Turbo II's Avatar
    I haven't peeked in there yet but I might assume it is a port, meaning an air hole for bass frequencies to pass from the the back of the single main speaker. I thought I read somewhere that the speaker "system" on the Turbo II was of the ported type. Basically then, the hole would be there to enhance the bass response of the sound system in the phone.

    It's possible that a mic could be behind there as well. Looks like several ideas have been discussed on the original Turbo. I was going to post a link to another thread on this forum but don't have those privileges yet.
    11-17-2015 11:48 AM
  6. doogald's Avatar
    I haven't peeked in there yet but I might assume it is a port, meaning an air hole for bass frequencies to pass from the the back of the single main speaker. I thought I read somewhere that the speaker "system" on the Turbo II was of the ported type. Basically then, the hole would be there to enhance the bass response of the sound system in the phone.
    Right, I thought it was that, too, particularly when somebody mentioned that covering that left hole with music playing made the sound terrible. Somebody else posted that it was a noise cancellation mike, but I really think that you are right, and the manual calls both opening "audio ports", so that sounds like a better explanation.
    11-17-2015 12:02 PM
  7. viper8315's Avatar
    If you look for the teardown video I posted there is a channel there from the main speaker. It probably does help with bass production.

    Posted via the Android Central App
    doogald likes this.
    11-17-2015 09:24 PM

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