Beats By Dre Pro 40MM Replacement Speaker Driver Cone - PartsGenuine Beats By Dre Pro speaker driver part. This speaker can be installed by removing your old speaker from it's housing and gluing this one in place. This speaker is tested and ensured to be working perfectly. We suggest you replace both speakers to ensure you get the same sound quality on both sides. Condition: Grade A Pulled Brand: Beats (OEM Genuine Original) Diameter: 40MM Included: 1 x Beats Pro Speaker Driver