CREATE TABLE table_41548 ("Headphone Model" TEXT, "Headphone Class" TEXT, "Sensitivity  ( dB ) " TEXT, "Impedance  ( Ohms ) " FLOAT, "Driver-matched dB" TEXT, "Construction" TEXT, "Earpads" TEXT, "Termination" TEXT, "Succeeded by" TEXT)

What is the headphone model with a plastic construction and a prestige headphone class?
SELECT "Headphone Model" FROM table_41548 WHERE "Construction" = 'plastic' AND "Headphone Class" = 'prestige'
SELECT "Headphone Model" FROM "table_41548" WHERE "Construction" = 'plastic' AND "Headphone Class" = 'prestige'