the Concerto Series D1 Reference D3 Sonata Our flagship 3-way, 7 driver statement loudspeaker employing three APLs A floor standing 2-way, 4 driver design with a single APL for bass enhancement Retail Price $32,995/pr. Retail Price $5,995/pr. Remarkable Crossover $6,995/pr. Reference Crossover      For Domestic Dealership or International Distribution inquiries, kindly contact: distribution@nsrsonic.com