Logitech - Blue Mix-Fi Powered High-Fidelity Headphones with Integrated Audiophile Amplifier - Formerly known as Mo-Fi

The Blue Mix-Fi Powered High-Fidelity Headphones (formerly known as Mo-Fi) are a professional-grade audio solution featuring a built-in 240mW all-analog audiophile amplifier custom-matched to 50mm fiber-reinforced dynamic drivers to deliver studio-quality sound from any device including smartphones and tablets. These headphones utilize a revolutionary multi-jointed headband design inspired by Formula One suspension that allows for independent adjustment of ear cup height and tension to provide a personalized fit and a superior acoustic seal. Users can toggle between three distinct amplifier modes—Passive for use with high-output gear or when the battery is depleted, Active for increased dynamic range and power, and Enhanced Bass for added analog low-frequency support—while an intelligent power management system automatically turns the unit on or off when the headphones are opened or closed to conserve the 12-hour rechargeable battery life.

• Integrated Analog Amplifier: Features a built-in 240mW audiophile-grade amp custom-matched to the drivers, ensuring powerful and accurate sound even when using low-output mobile devices.
• Custom 50mm Drivers: Equipped with fiber-reinforced dynamic drivers that provide a flat, detailed frequency response of 15Hz–20kHz for professional monitoring and high-fidelity listening.
• Triple Amp Modes: Offers a three-way switch for Passive (unpowered), Active (powered), and Enhanced Bass (analog low-frequency boost) to suit different audio environments and genres.
• Ergonomic Suspension Design: The multi-jointed headband, inspired by Formula One suspension, allows for precise adjustment of height and tension to maintain a perfect acoustic seal.
• Smart Power Management: Conserves the 12-hour battery life by automatically powering off when the headphones are closed and turning on when they are opened for use.
• Integrated Analog Amplifier: Features a built-in 240mW audiophile-grade amp custom-matched to the drivers, ensuring powerful and accurate sound even when using low-output mobile devices.
• Custom 50mm Drivers: Equipped with fiber-reinforced dynamic drivers that provide a flat, detailed frequency response of 15Hz–20kHz for professional monitoring and high-fidelity listening.
• Triple Amp Modes: Offers a three-way switch for Passive (unpowered), Active (powered), and Enhanced Bass (analog low-frequency boost) to suit different audio environments and genres.
• Ergonomic Suspension Design: The multi-jointed headband, inspired by Formula One suspension, allows for precise adjustment of height and tension to maintain a perfect acoustic seal.
• Smart Power Management: Conserves the 12-hour battery life by automatically powering off when the headphones are closed and turning on when they are opened for use.
• Integrated Analog Amplifier: Features a built-in 240mW audiophile-grade amp custom-matched to the drivers, ensuring powerful and accurate sound even when using low-output mobile devices.
• Custom 50mm Drivers: Equipped with fiber-reinforced dynamic drivers that provide a flat, detailed frequency response of 15Hz–20kHz for professional monitoring and high-fidelity listening.
• Triple Amp Modes: Offers a three-way switch for Passive (unpowered), Active (powered), and Enhanced Bass (analog low-frequency boost) to suit different audio environments and genres.
• Ergonomic Suspension Design: The multi-jointed headband, inspired by Formula One suspension, allows for precise adjustment of height and tension to maintain a perfect acoustic seal.
• Smart Power Management: Conserves the 12-hour battery life by automatically powering off when the headphones are closed and turning on when they are opened for use.