With three different types of ear tips included and in three different sizes, you can choose what works best for your ears to provide maximum comfort and sound isolation. Ear tip types included are foam, silicone, and double flange in small, medium, and large sizes. Included Accessories: Hard molded case protects your investment when not in use Gold-plated 1/8 to 1/4" adapter. Hard molded case protects your investment when not in use. Gold-plated 1/8 to 1/4" adapter. Frequency Response: 20 Hz 20 kHz. Impedance: 8 Ohms. Transducer Type: Dual Dynamic. Sensitivity: 104 dB. Professional Design: Ergonomically molded low-profile enclosure offers maximum comfort, sound isolation, and bass response. Made for Artists: MP-220 in-ear monitors deliver the performance and comfort that artists need to perform their best. Dual Precision Drivers: With dual precision dynamic drivers, MP-220 in-ear monitors offer powerful bass response and enhanced clarity. High-Fidelity Cable: The shielded, braided cable is designed for extra durability and sonic performance. Equipped with a detachable MMCX connector that swivels for increased comfort and durability. The over ear design keeps them securely in your ears and the cables behind your head for uninterrupted performance. Perfect Fit: With three different types of ear tips included and in three different sizes, you can choose what works best for your ears to provide maximum comfort and sound isolation. Ear tip types included are foam, silicone, and double flange in small, medium, and large sizes. Included Accessories: Hard molded case protects your investment when not in use. Gold-plated 1/8 to 1/4" adapter Weve been helping artists perform their best for decades with our renowned loudspeaker designs, and now we are bringing that signature sound straight to your ears. MP-220 Dual Dynamic Driver Professional In-Ear Monitors feature specially-molded enclosures for an ergonomic fit providing hours of comfort and superior noise isolation.