Left Speaker pops & looses its bass/mid frequencies

Question

MacBook Pro 15インチ Touch Bar Late 2016

Appleの2016年ラップトップラインアップの最新モデルは、プロフェッショナルユーザーを対象としています。 15インチ、2880 x 1800 Retinaディスプレイ、クアッドコアIntel Core i7、256 GB / 512 GB / 1 TB / 2TBストレージオプション、16 GB RAM、およびTouch Barを搭載したキーボードです。

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Serouj Baghdassarian (C-rouge) @seroujbagh62035

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投稿日: 2017年5月1日

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Left Speaker pops & looses its bass/mid frequencies

So suddenly my left speaker lost its bass and mid frequencies, and only hi / thin sounds are coming from it. Right one works well.

Sometimes when an hour or two passed in mute, and i start a music , i hear a POP sound from the left side as soon as I higher the volume and quickly it looses its power as described.

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Dan @danj

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投稿日: 2017年5月1日

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Apple has a warranty repair for this! Bring your system in to an Apple Store or authorized service center.

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I live in Lebanon and bought this online from Dubai, do you think im still eligible?

Serouj Baghdassarian (C-rouge) さんによる2017年5月1日

Good Question!

Here's a listing of the local Apple Stores, you'll need to ask one of them.

Dan さんによる2017年5月1日

Outside the Apple warranty is there any other know fix to this problem ?

tedly さんによる2017年11月30日

As the system is so new parts are difficult to get.

From what I understand the issue is two fold a firmware issue and a blown speaker from the bad firmware.

Dan さんによる2017年11月30日

All the research I've done says it's a blown speaker or amp issue.

after taking it in to Apple they quote a $600 repair to replace the entire top (keyboard etc) to fix it. If the keyboard has gone they will do it for free while their 2016 keyboard recall is in place. My keyboard is still working fine. There is a Audio Midi Setup App. If you select Built in Output and change the Format: from 44,100 Hz to either of the two choices the sound will come back until the volume exceeds what the speakers or amp can handle and then the sound will degrade again. The Genius bar guy suggested that I call Apple Care to see if I could convince them to repair it gratis or perhaps at a discount because it is a known issue but not covered if your warranty is already expired. I haven't done it yet, I'm holding off of the disappointment and time investment to have this call.

Randall Friedman さんによる2019年4月7日

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I live in Lebanon and bought this online from Dubai, do you think im still eligible? — Serouj Baghdassarian (C-rouge)
Good Question!

Here's a listing of the local Apple Stores, you'll need to ask one of them. — Dan
Outside the Apple warranty is there any other know fix to this problem ? — tedly
As the system is so new parts are difficult to get.

From what I understand the issue is two fold a firmware issue and a blown speaker from the bad firmware. — Dan
All the research I've done says it's a blown speaker or amp issue.

after taking it in to Apple they quote a $600 repair to replace the entire top (keyboard etc) to fix it. If the keyboard has gone they will do it for free while their 2016 keyboard recall is in place. My keyboard is still working fine. There is a Audio Midi Setup App. If you select Built in Output and change the Format: from 44,100 Hz to either of the two choices the sound will come back until the volume exceeds what the speakers or amp can handle and then the sound will degrade again. The Genius bar guy suggested that I call Apple Care to see if I could convince them to repair it gratis or perhaps at a discount because it is a known issue but not covered if your warranty is already expired. I haven't done it yet, I'm holding off of the disappointment and time investment to have this call. — Randall Friedman