CREATE TABLE table_20477 ("Headphone Model" TEXT, "Headphone Class" TEXT, "Driver-matched dB" TEXT, "Construction" TEXT, "Earpads" TEXT, "Termination" TEXT, "US MSRP" TEXT)

Which terminations correspond with headphone model SR80I?
SELECT "Termination" FROM table_20477 WHERE "Headphone Model" = 'SR80i'
SELECT "Termination" FROM "table_20477" WHERE "Headphone Model" = 'SR80i'