Compressed Digital Audio and The Future of Boomboxes
Even though many boomboxes had dual cassette decks and included dubbing, line, and radio recording capabilities, the rise of recordable CDs first and of high-density MP3 players later have further reduced their popularity to such an extent that it is difficult to find a new dual-decked boombox.
Most modern boomboxes include a CD player compatible with CD-R and CD-RW, which allows the user to carry their own music compilations on a higher fidelity medium. Many also permit iPod and similar devices to be plugged into them. Some also support formats such as MP3 and WMA.
The simplest way to connect an older boombox to an MP3 player is to use a cassette adapter, which interfaces an MP3 player's output directly to the cassette player's heads. The 'Line In' (also known as 'Aux In') can be used if the boombox has one.
Some modern boombox designs provide other connections for MP3 (and sometimes other digital formats) such as a USB connector for use with a removable USB drive, slots for various flash memory media such as SD, MMC, SmartMedia and Memory Stick, or even a CD drive capable of reading MP3s directly from a CD, thus allowing for a relatively cheap and large music storage to be carried and played back at full volume.
From mid 2010 there are new lines of boomboxes that use Bluetooth technology known as Stereo Bluetooth, or A2DP (Advanced Audio Distribution Profile). They use the wireless Bluetooth technology to "stream" audio to the boombox from a compatible Bluetooth device, such as a mobile phone or Bluetooth MP3 player. An example of this is the JAMBOX, which is marketed as a "Smart Speaker" because it can also function as a speakerphone for voice calls in addition to being an audio playback device.
Another modern variant is a DVD player/boombox with a top-loading CD/DVD drive and an LCD video screen in the position once occupied by a cassette deck. Many models of this type of boombox include inputs for external video (such as television broadcasts) and outputs to connect the DVD player to a full-sized television.
Read more about this topic: Boom Box
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