Bose Corp.","This surface-mount 100-watt loudspeaker is engineered for commercial venues that demand high-fidelity sound, powerful bass and proven reliability in a compact, stylish cabinet.Bose® FreeSpace® 203® loudspeakers deliver quality sound without the need for special equipment and additional accessories. They can often be used with an existing amplifier to replace current loudspeakers or to expand sound coverage. Each Bose FreeSpace 203 loudspeaker uses two proprietary Bose 4.5-inch (11.4 cm) StarDriver® speakers. They are engineered to provide consistent, high-quality sound. They are also are more reliable than conventional speakers whose small, separate tweeters are often unable to handle the high power and extended use required in many business applications.