You can use the compressor tool to make the highs and lows a little closer so that the sound is good even from a tiny phone speaker.

您可以使用压缩器工具将高音和低音调的更相近一些，这样即使是小手机扬声器声音也会好听。

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The mobile phone speaker cover can not only protect the speaker, but also have an influence on the electroacoustic characteristics.

手机扬声器的面盖不仅起保护扬声器的作用，而且会对电声性能产生影响。

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Remind Note: The above sale is the module, not finished machine, suitable for supporting the production of power amplifier manufacturers, multimedia audio, mobile phone speaker.

特别提醒说明： 上面出售的是模块，不是成品机，适用于厂家配套生产功放机、多媒体音响、手机音箱上。

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At a news conference, Speaker Nancy Pelosi said she had just received a phone call from the president, and she paid tribute to the president's leadership.

VOA: standard.2009.11.08

The iPhone features an integrated Web browser, tiltable 7.4-inch gray scale touchscreen, an e-mail client, a 56-kilobits-per-second modem, two phone jacks, a full duplex speaker phone, and a keyboard that slides under the phone to save space.

CNN: InfoGear upgrades phone of the future

Ericsson's Screen Phone, which runs the open-source Linux operating system, combines both Internet access and a speaker phone, and will communicate with a home base station using the emerging Bluetooth technology for wireless personal area networking.

CNN: Technology - Ericsson's entry revitalizes WebPad scene

There's no need to schedule formal meetings or herd everyone around a speaker phone.

ENGADGET: Self-balancing Anybots QB now shipping, the future of telepresence is now (video)