A method for laminating or coupling a first and second precision fabric layers, each being formed by weaving a plurality of synthetic monofilaments, to provide a textile structure including two textile structure layers to be applied in particular to loudspeakers and microphones of electronic devices in general, having at least an audio function for emitting and receiving sounds, voice or music, and for protecting said electronic devices from water and solid particle intrusion, and preserving the sound emitting and receiving characteristics designed for said electronic devices, said method comprising a step of spraying an aqueous polyurethane glue material on said synthetic monofilaments of at least one of said first and second precision fabric layers thereby coupling in a diffuse manner said first and second layers, said method comprising the steps of: a) providing rolls of said first and second synthetic monofilament precision fabric layers; b) providing a plurality of spraying stations including a corresponding plurality of spraying and atomizing nozzles for depositing droplets of said aqueous polyurethane glue material, distributed through the fabric threads with a nearly continuous distribution; c) providing drying tunnel oven means; d) providing an unwinding system upstream of said spraying stations and a winding system downstream of said drying tunnel oven, respectively; e) providing conveying means for conveying said first and second fabric layers; f) unwinding said first and second fabric layers from said rolls thereof; g) conveying said first and second fabric layers under said spraying means and evenly spraying and nebulizing on said synthetic monofilaments droplets of said aqueous glue material; h) further conveying said first and second fabric layers through said tunnel oven to evaporate water contained in said aqueous glue material and dry said first and second fabric layers, wherein said aqueous glue material contains a locking catalyzer adapted to lock or stop the cross-linking of said aqueous glue material in said spraying step g) and wherein, after said drying step h), said method comprises the further step of: i) winding into rolls said first and second dried fabric layers devoid of any remaining adhesive property. a) providing rolls of said first and second synthetic monofilament precision fabric layers; b) providing a plurality of spraying stations including a corresponding plurality of spraying and atomizing nozzles for depositing droplets of said aqueous polyurethane glue material, distributed through the fabric threads with a nearly continuous distribution; c) providing drying tunnel oven means; d) providing an unwinding system upstream of said spraying stations and a winding system downstream of said drying tunnel oven, respectively; e) providing conveying means for conveying said first and second fabric layers; f) unwinding said first and second fabric layers from said rolls thereof; g) conveying said first and second fabric layers under said spraying means and evenly spraying and nebulizing on said synthetic monofilaments droplets of said aqueous glue material; h) further conveying said first and second fabric layers through said tunnel oven to evaporate water contained in said aqueous glue material and dry said first and second fabric layers, wherein said aqueous glue material contains a locking catalyzer adapted to lock or stop the cross-linking of said aqueous glue material in said spraying step g) and wherein, after said drying step h), said method comprises the further step of: i) winding into rolls said first and second dried fabric layers devoid of any remaining adhesive property. i) winding into rolls said first and second dried fabric layers devoid of any remaining adhesive property.