JBL Grey duet speaker system

The JBL Duet speaker system provides smooth and accurate sound for any portable music player or

The JBL Duet speaker system provides smooth and accurate sound for any portable music player or computer, as well as an elegant design. Duet uses patent pending Tangential Strain Relief (TSR) technology. With TSR you get extra bass and lower distortion. The neodymium magnet creates more power and sensitivity. Duet also uses a proprietary port design which enhances the bass performance.

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