![Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X](https://www.technologyx.com/wp-content/uploads/2014/02/Sennheiser-MM-550-X-Travelling-Headphones-Replaceable-Battery.jpg)
Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X
![Sennheiser MM 550-X Noise-canceling Bluetooth® stereo headset with aptX® high-fidelity wireless audio capability at Crutchfield Sennheiser MM 550-X Noise-canceling Bluetooth® stereo headset with aptX® high-fidelity wireless audio capability at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/750/457/products/2012/6/143/g143MM550X-o_packaging.jpeg)
Sennheiser MM 550-X Noise-canceling Bluetooth® stereo headset with aptX® high-fidelity wireless audio capability at Crutchfield
![Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X](https://www.technologyx.com/wp-content/uploads/2014/02/Sennheiser-MM-550-X-Travelling-Headphones-Exterior-Front.jpg)
Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X
![Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X](https://www.technologyx.com/wp-content/uploads/2014/02/Sennheiser-MM-550-X-Travelling-Headphones-Accessories.jpg)
Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X
![Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X Sennheiser MM 550-X Travelling Headset Review - Active Noise Cancellation, SRS, BT and TalkThrough | Technology X](https://www.technologyx.com/wp-content/uploads/2014/02/Sennheiser-MM-550-X-Travelling-Headphones-SRS.jpg)