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Locating the serial number

Serial numbers are 17 digits long following "S/N" and contain letters and numbers.

Example

See the product categories below to find your product and the serial number location.

Headphones

In-ear

(original packaging)

Over-ear

(inside ear cup)

Wireless Speakers

SoundLink® Color II and SoundLink® Mini II

(bottom)

SoundLink® Bluetooth Speaker III

(bottom)

SoundTouch® 10

(bottom)

SoundTouch® 20 and 30

(back)

SoundTouch® SA-5 Amplifier

(bottom)

SoundTouch® wireless link adapter

(bottom)

Home Cinema Systems

Lifestyle® home entertainment systems

(bottom of control console)

Soundbar systems

(back or bottom)

Acoustimass® 300 wireless bass module

(bottom)

Virtually Invisible® 300 wireless surround speakers

(bottom of receiver)

Acoustimass® home cinema speaker systems

(back)

Wave® systems

Wave® Music systems

(bottom)

Acoustic Wave® music systems

(back)

Docking speakers

  • SoundDock® III speaker
    Located on the bottom of the speaker
  • SoundDock® XT speaker
    Located on the bottom of the speaker

Stereo Speakers

  • Companion® 5 computer speakers
    Located on the rear of the bass module
  • Companion® 20 computer speakers
    Located on the bottom of the right speaker
  • Computer MusicMonitor®
    Located on the bottom of the right speaker
  • Companion® 2 computer speakers
    Located on the bottom of the right speaker
  • Acoustimass® 5 stereo speaker system
    Located on the rear of the bass module
  • Acoustimass® 3 stereo speaker system
    Located on the rear of the bass module
  • 301® bookshelf speakers
    Located on the rear of the speaker
  • 201® bookshelf speakers
    Located on the rear of the speaker
  • 161® bookshelf speakers
    Located on the rear of the speaker
  • Free Space 51 outdoor speakers
    Located on the bottom of the speaker
  • 891® in-wall speakers
    Located on the rear of the speaker
  • 791® in-ceiling speakers II
    Located on the rear of the speaker
  • 691® in-wall speakers
    Located on the rear of the speaker
  • 591® in-wall speakers
    Located on the rear of the speaker
  • 191® in-wall speakers
    Located on the rear of the speaker
  • 251® outdoor speakers
    Located on the rear of the speaker
  • 151® outdoor speakers
    Located on the rear of the speaker
  • 131® marine speakers
    Located on the rear of the speaker