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Wireless Bluetooth Portable Speakers | Sony US

[New Release] DKnight MagicBox II Bluetooth 4.0 Portable Wireless speaker, 10W Output Power with Enhanced Bass, build in Microphone for handfree phone call (Black)

$5.10
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  • TAG : Wireless portable speaker SoundShooter, Philips
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  • If you’re curious to know about wireless portable speakers, this article goes into great depth on every aspect of these devices from construction, materials, acoustic properties and more. Boombotix has been building wireless portable speakers for over three years now, so we figured we’d share some of our knowledge for your reference. If you are looking to build your own wireless portable speakers, you may also want to reference this . You may learn a lot from our product design and use it as a starting point for your personal wireless speaker project. If you have any questions, feel free to comment and we will see if we can be of assistance. Let’s get right into it.

    This is an exploded view of the wireless speaker. This rendering shows you all of the primary mechanical components typically found in a wireless portable speaker.

  • Wireless portable speakers are devices that play media from a content source (smartphone, tablet, laptop or any Bluetooth enabled device). These portable speakers are capable of projecting sound at high volume using low power consumption. Most portable devices incorporate a rechargeable lithium polymer battery. The norm for most wireless speaker communication is Bluetooth.

    When you hear a lot of smaller portable speaker systems distorting, this is usually a result of the speaker being overdriven or poor signal quality. The speaker is incapable of moving in conjunction with the signal and it introduces a lot of unwanted and displeasing noise. With the use of filters (especially on the low end), wireless portable speakers can sound crisp and hard hitting. This takes a lot of fine tuning to get right on every speaker which is really what sets great products appart from poor ones. Attention to detail in wireless portable speaker acoustics makes all the difference.

  • The magnets used in a wireless portable speaker interact with the voice coil to create movement on the diaphragm. The magnet can be composed of a number of materials including barium, strontium ferrite and Iron Boron. Because of the heavy weight of some of these magnets, Boombotix portable speakers use neodymium magnets which produce a great field in a small form factor.

Wireless Portable Speaker System - PA & Live Sound from Inta Audio UK

Some wireless portable speakers have the ability to upload new firmware. The Jawbone Jambox uses the MyTalk app in order to have a consumer facing desktop app where users can download new features/functions for their Jambox. This is an awesome feature for consumers and developers. If there is a bug in the firmware, manufacturers can release a patch without having to do a full recall. There are some additional parts on the hardware and software side required to build this type of functionality. JTAG (Joint Test Action Group) is the standard for firmware upload interfaces. The tricky part is building a USB interface that serializes into JTAG so that devices do not need an outward facing JTAG to upload new firmware. If anyone has some embedded hardware experience, we’d LOVE your help on this project. It’s a beast!