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UE BOOM is a portable speaker manufactured by Ultimate Ears, supporting Bluetooth and wired connections. UE BOOM has been praised for its industrial design, loudness, battery life, speakerphone capability, and its suitability for outdoor use, but criticized for its comparatively high price. The speaker was first announced on May 21st 2013, and went on sale in the United States and Europe later that month.〔(【引用サイトリンク】url=http://www.ultimateears.com/en-us/press )〕 On September 15th 2015, Ultimate Ears introduced the UE BOOM 2, a revised model of the UE BOOM.〔(【引用サイトリンク】url=http://www.ultimateears.com/en-us/press )〕 The new model features IPX7 waterproofing, a 25% increase in volume, and superior wireless range over the original model.〔(【引用サイトリンク】url=http://www.ultimateears.com/en-us/press )〕 == Design and features == The speaker is an elongated cylinder measuring , similar in shape to a canned beverage, and weighing . It is coated in a water- and stain-resistant material and partly covered with rubber.〔 The speaker comes in several color schemes, including a limited edition designed by painter Kenny Scharf. The design and cylindrical shape was described by ''iLounge'' as "different from most competitors and yet consistent with both prior UE Boombox designs". UE BOOM consists of two drivers at 4 Ω, and has two passive radiators measuring . In terms of sound output, it supports a maximum of 88 dBA in a range of 90 Hz–20 kHz. On one end, it has a removable D-ring, which one reviewer suggested might be used to hang the device like a lantern.〔 In addition to supporting Bluetooth, the speaker can be connected via a standard 3.5mm audio input. It also supports passive NFC, can be used as a Bluetooth speakerphone and has an alarm feature. Additionally, two speakers can be paired to one source, with each speaker playing back a separate channel, or both speakers playing both channels.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「UE Boom」の詳細全文を読む スポンサード リンク
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