Audio amplifier and LCD TV

The utility model discloses an audio amplifier and LCD TV, include: first casing, be formed with the first sound chamber in the first casing, the first end of first casing has first opening, be closeto on the inner wall of first casing first open -ended position is equipped with first buckling parts, the second casing, be formed with supertonic chamber in the second casing, the first end of second casing has the second opening, just the first end of second casing be equipped with be used for with first buckling parts complex second buckling parts, the first end of second casing can stretch into first opening, and pass through the second buckling parts with the cooperation telescopically of first buckling parts connects first casing is with the intercommunication the first sound chamber with supertonic chamber makes the first sound chamber with the bulk volume in supertonic chamber is adjustable. The utility model discloses the audio amplifier has compatiblely good and advantage with low costs. 本实用新型公开了种音箱及液晶电