The Panasonic RB-M500B Deep Bass Wireless Immersive headphones take advantage of low-frequency sound to let you enjoy music to the fullest. XBS DEEP delivers well-defined deep bass, and Bass Reactor amplifies the bass using real vibrations in the low frequencies. The RB-M500B Deep Bass Wireless Headphones capitalise on heavy bass sound for you to enjoy music to the fullest. XBS DEEP delivers well-defined deep bass, and Bass Reactor amplifies bass using actual vibrations in low frequencies, providing a thrilling deep powerful bass sound experience.