Musical Fidelity has a long history of making superlative sounding products at affordable prices. From the beginning the EB-33s were designed to be true to Musical Fidelity"s heritage.The EB-33s were designed to make a natural lifelike sound. The artist"s creation is recreated between your ears as it was intended to be. They are light comfortable and durable. Long listening sessions are a pleasure.Put simply, the EB-33s are a music lover"s delight.Design and BuildThe EB-33"s drive units were designed from the ground up to give a wide and flat frequency response with low distortion. They use high-tech neodymium magnets and a large 13.5 mm drive unit. This gives high sensitivity, low distortion and wide bandwidth. The artist"s creation is presented with lifelike neutrality. A window into another world.The EB-33s are ergonomically designed to fit comfortably and easily in the ear canal. All ear canal headphones need a proper acoustic seal to function correctly. At MF we are acutely aware of this vital, and often ignored, area. EB-33s have nine sets of ear tips to help the music lover get a comfortable fit with a perfect acoustic seal.The EB-33s are made from high quality, earth friendly materials. Large investments have been made in production tooling to ensure quality fit and finish and a competitive price.SpecificationsGeneralImpedance: 16ohm +/-15% Sensitivity: 105dB +/-3dB Rated Power: 10mW Frequency Range: 2