Sub invincible equipé de deux HP de 53cm à membrane en alu:
https://www.yg-acoustics.com/product/invincible
https://www.yg-acoustics.com/wp-content/...e-Rev4.pdf
https://www.yg-acoustics.com/product/invincible
https://www.yg-acoustics.com/wp-content/...e-Rev4.pdf