Product Description: Ensure seamless compatibility between your compression drivers and horns with our 2pcs Quality Plastic Bolt-On Adapter. Designed to mate standard bolt-on style compression drivers with 38mm exit diameters to horns featuring standard 50mm bolt-on throat geometry, these adapters are essential for achieving optimal sound performance. Key Features: High-Quality Material: Made from durable ABS plastic, these adapters are built to withstand the rigors of regular use while ensuring long-lasting performance and reliability. Perfect Fit: Specifically designed to mate compression drivers with 38mm (1.5" or 1.4") exit diameters to horns with 50mm (2") bolt-on throat geometry, providing a secure and stable connection. Versatile Use: Ideal for use in a variety of audio applications, including PA systems, professional sound systems, and custom speaker setups. Easy Installation: Lightweight and straightforward to install, these adapters make upgrading or modifying your audio equipment hassle-free. Specifications: Material: High-quality hard ABS plastic Sizes: As shown in the photo Compatibility: Fits standard bolt-on style compression drivers with 38mm (1.5" or 1.4") exit diameters to horns with 50mm (2") bolt-on throat geometry Package Includes: 2 x Bolt-On Adapters Upgrade your audio system with these high-quality bolt-on adapters, ensuring a secure and precise fit for enhanced sound performance. Order now and experience the difference in your audio setup Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.