Instructions for use
Page 5
... alkaline battery, 1.5 V 1 instruction manual 4 PXC 250-II headphones PXC 250-II headphones The PXC 250-II are also ideal for use with portable audio sources. NoiseGardTM The NoiseGard active noise compensation system is the exact opposite (IE: at the same level but polarity reversed - 180° outof-phase), the effect being that the polarity reversed signal cancels most of cancelling out sound using "anti...
... alkaline battery, 1.5 V 1 instruction manual 4 PXC 250-II headphones PXC 250-II headphones The PXC 250-II are also ideal for use with portable audio sources. NoiseGardTM The NoiseGard active noise compensation system is the exact opposite (IE: at the same level but polarity reversed - 180° outof-phase), the effect being that the polarity reversed signal cancels most of cancelling out sound using "anti...