3-Pair Left/Right Internal Speaker Replacement, Compatible with MacBook Pro 13-inch A1278 (2011-2012 Models) This set of 3 pairs (left and right) of internal speakers is designed to replace the original speakers in your MacBook Pro 13-inch A1278, covering Early 2011, Late 2011, and Mid-2012 models. It helps restore clear and crisp audio for videos, music, and calls through a direct swap. Made from quality composite materials, these speakers offer reliable performance and a secure fit. Each package includes three complete left and right channel pairs for a full replacement solution. Before purchasing, please verify your laptop's model number (e.g., MC700LL/A, MD101LL/A) to ensure compatibility. This set is compatible with the following subfamilies: MacBook Pro 13-inch Core i5 2.3 Early 2011, Core i5 2.4 Late 2011, Core i7 2.7 Early 2011, Core i7 2.8 Late 2011, Core i5 2.5 Mid-2012, and Core i7 2.9 Mid-2012. Model numbers include MC700LL/A, MD313LL/A, MC724LL/A, MD314LL/A, MD101LL/A, MD102LL/A. Specifications: Weight: 0.55g per piece Type: Laptop Internal Speaker Color: Black Material: Composite Material Package includes: 3 x Left and Right Internal Speaker Sets Note: Only the speakers listed are included. Slight color variations may occur due to lighting and monitor settings. Minimal dimensional tolerance of +/- 1-3 cm is possible.