Jawbone Big Jambox Review: A Loudspeaker Grows UpMat Honan5/01/12 12:01am253EditPromoteGo to permalinkToo. Many. Wireless. Speakers. Still, among the best products to come out in the past two years is unquestionably the Jawbone Jambox, a portable Bluetooth speaker with great sound and telephony too. Now it goes to eleven. Meet Big Jambox.