The date code is reflected in the eighth through eleventh digits of the serial number. NO.” The multi-digit serial number printed on the bass module label includes the “date code” for that module. The serial number is described on the label as “SER. The product name is printed at the top of the label next to the Bose logo. NO.” and date code are printed on the product label, which is located either on the back or bottom of the bass module. Over-ear (inside ear cup) SoundDock III speaker Located on the bottom of the speaker SoundDock XT speaker Located on the bottom of the. See the product categories below to find your product and the serial number location. The Bose logo, product name, serial number “SER. Serial numbers are 17-digits long following S/N and contain letters and numbers. This recall involves select bass modules manufactured before Apthat were sold with select Acoustimass, Lifestyle and Companion home theater systems. Wave Music System for the past 6 years 9 straight ensure secure connection. Bose is recalling about 884,000 Acoustimass, Lifestyle and Companion bass modules (produced before April 2006) due to a fire hazard.Īccording to the Consumer Product Safety Commission, the speaker’s electrical components can fail, posing a fire hazard. Number is 10325938-0151 Email sign-up Bose Professional Automotive systems.