Bose QC15 Quiet Comfort 15 Acoustic Noise Cancelling Headphones w/ Case, Box & Manual Not Working

For Sale is a Pair of Bose QC15 Quiet Comfort 15 Acoustic Noise Cancelling Headphones w/ Case, Box & Manual. For some reason they stopped working; hopefully someone handy can fix them. The cushions are in Excellent condition.

-Type Active noise cancelling

-Color Black/Silver

-Style Around-ear

-Connectors 1 x 1/8" TRS (3.5 mm) stereo mini

-Cable Length 66.5" (169 cm)

-Power Requirements AAA battery

-Dimensions Headphones: 6.6 x 7.5 x 1.6"

-Case: 8.5 x 7.5 x 2.6"

-Weight 7.1 oz

-Compatible with MP3 players, CD/DVD players, laptop computers, home stereo

Quality audio performance from the TriPort® acoustic headphone structure, available only from Bose that features tiny vents in the ear cups to enable a balanced audio performance from small, lightweight headphones

Significantly improved noise reduction across a wider range of frequencies, compared to previous QuietComfort headphones

Proprietary Bose innovations use microphones both inside and outside each ear cup to sense and reduce the sounds around you

Comfortable around-ear cushions use a proprietary soft-cushion design to establish a critical acoustical seal between the ear cups and your head, enhancing the benefits of Bose noise reduction headphone technology while helping to deliver a quality audio performance

Additional cable with inline remote and microphone to control volume/track selection/voice applications for select Apple products

AAA battery provides an average 35 hours of playing time (battery included)

Fold-flat ear cups rotate 90° for easy storage and portability in the included case

Small, slim carrying case helps protect headphones and accessories during travel

Single, detachable audio cable for greater convenience than standard dual-cable designs

Remove the cable for noise reduction only - to add audio, simply connect the cable