I think it would be wise than assemblers indicate to users the brand and reference of the loudspeakers they install in their boxes. 80% of brands are assemblers including several major brands that formerly manufactured their own loudspeakers long time ago.... It would also be very interesting to know if the transducers are from manufacturers' catalogs like JBL or B&C or if these transducers are manufactured under specifications. And finally, indicate the time of availability.