A hydraulic anti-vibration device intended to be interposed for damping and filtering purposes between first (3; 4) and second rigid elements, the hydraulic anti-vibration device comprising: - a first armature intended to be fastened to the first rigid element (3; 4), - a second armature intended to be fastened to the second rigid element, - a body made of an elastomer which links the first armature to the second armature, said elastomeric body being adapted to be elastically deformed according to a main direction of vibration enabling relative movements between the first armature and the second armature, at least according to said main direction of vibration, - a diaphragm made of an elastomer, wherein - the second armature forms, together with the elastomeric body and the diaphragm made of an elastomer, a first hydraulic chamber, called working chamber, - the second armature receives a piston and an actuator, the actuator being adapted to displace the piston according to the main direction of vibration, such that the displacement of the piston according to the main direction of vibration, deforms the diaphragm made of an elastomer, - the actuator comprises a coil movable in translation according to the main direction of vibration, the movable coil being secured to the piston, the actuator further comprising at least one magnetic element, secured to the second armature, the coil being electrically powered through an electrical circuit comprising two conductors extending at least partially according to the main direction of vibration, from a free end of the second armature, - the second armature forms, together with a bellow made of an elastomer, a second hydraulic chamber, called compensation chamber, the compensation chamber being annular and extending around the conductors, - the working chamber and the compensation chamber are in fluidic communication through at least one conduit (42; 44) formed in the second armature, and - the working chamber, the compensation chamber and the at least one conduit (42; 44) are filled with a fluid. - a first armature intended to be fastened to the first rigid element (3; 4), - a second armature intended to be fastened to the second rigid element, - a body made of an elastomer which links the first armature to the second armature, said elastomeric body being adapted to be elastically deformed according to a main direction of vibration enabling relative movements between the first armature and the second armature, at least according to said main direction of vibration, - a diaphragm made of an elastomer, wherein - the second armature forms, together with the elastomeric body and the diaphragm made of an elastomer, a first hydraulic chamber, called working chamber, - the second armature receives a piston and an actuator, the actuator being adapted to displace the piston according to the main direction of vibration, such that the displacement of the piston according to the main direction of vibration, deforms the diaphragm made of an elastomer, - the actuator comprises a coil movable in translation according to the main direction of vibration, the movable coil being secured to the piston, the actuator further comprising at least one magnetic element, secured to the second armature, the coil being electrically powered through an electrical circuit comprising two conductors extending at least partially according to the main direction of vibration, from a free end of the second armature, - the second armature forms, together with a bellow made of an elastomer, a second hydraulic chamber, called compensation chamber, the compensation chamber being annular and extending around the conductors, - the working chamber and the compensation chamber are in fluidic communication through at least one conduit (42; 44) formed in the second armature, and - the working chamber, the compensation chamber and the at least one conduit (42; 44) are filled with a fluid.