This is a replacement left and right speaker assembly for Optiplex 9020 7050 5070 Micro MFF Desktop series, and fix issues with sound output, Simply plugs into the motherboard, repair distorted sound or issues relating to having NO sound! Compatible D P/N: KG9KP, 0KG9KP; 6PFFY, 06PFFY Part Desc: SPEAKER, 2W, HF, D7 Connector type: 4-wire 4-pins, Wire-to-Board, 4 Ohm /1W Condition: New and Original, unused in perfect condition. NOT FIT for SFF/MT Desktop series, NOT fit for 5080 3080 7080 7090 Micro MFF Desktop series. Reference Compatible with Micro MFF Desktop models: - Optiplex 9020 Micro Mini Tower - Optiplex 7070 Micro Form Factor Desktop - Optiplex 7060 Micro Form Factor Desktop - Optiplex 7050 Micro Form Factor Desktop - Optiplex 7040M Micro Form Factor Desktop - Optiplex 5070 Micro Form Factor Desktop - Optiplex 5060 Micro Form Factor Desktop - Optiplex 5050 Micro Form Factor Desktop - Optiplex 5040 Micro Form Factor Desktop - Optiplex 3020M Micro Form Factor Desktop - Optiplex 3040M Micro Form Factor Desktop - Optiplex 3046 Micro Form Factor Desktop - Optiplex 3050 Micro Form Factor Desktop - Optiplex 3060 Micro Form Factor Desktop - Optiplex 3070 Micro Form Factor Desktop What's in the box: 1x Internal Speaker assembly