Cambridge Soundworks is a company that focuses on designing and producing high-quality audio equipment. They design and produce speakers, docks, and headphones. Their portable speakers are designed to fit into a backpack or purse and can be taken anywhere. Cambridge Soundworks portable speakers are designed to fit into a backpack or purse. This allows the listener to take their sound system with them wherever they go. They have four models of portable speakers: the Solo, the Duo, the Trio, and the Galaxi. The Solo is the smallest model at 8" x 3" x 4" and weighs 1.3 lbs. It has 2x 6.5W drivers and 2x 3W tweeters but no woofer. It is small enough to fit in a purse or bag but large enough to pump out high quality sound. The Duo is slightly larger than the Solo at 9" x 3.25" x 4". Its drivers have been upgraded from 2x 6.5W to 2x 10W which means it has double the power for better sound quality. It also includes a woofer which provides bass response without overwhelming other frequencies. The Trio is similar in size to the Solo and Duo but has an additional tweeter for better sound quality and an upgraded 10W driver for even better bass response. It also includes a woofer which provides bass response without overwhelming other frequencies. The Galaxi is one of Cambridge Soundworks' largest models of speaker at 11" x 7" x 4". It has 2x 15W drivers which provide excellent bass response that compliments other frequencies nicely like the other models of Cambridge Soundworks speakers do. It also features a built-in subwoofer with its proprietary "C-Quad" technology that delivers powerful bass that any audiophile would appreciate