OP-778 Description The OP-778 is an excellent value for money. Adjustable and equipped with shape memory earmuffs, it allows a better listening comfort. It is light and foldable for more mobility and space saving storage. Downloads Datasheet Picture Related product OP-10R See more Home Products Downloads About us Contact us Terms and conditions OPUS TECHNOLOGIES, 4 allée Pierre-Gilles de Gennes, Technopole Montesquieu 33650, Martillac, FRANCE (+33) 09 81 24 00 06 contact@opus-technologies.fr Search for: