Koss QZ/2000 Noise Reduction Stereophone The QZ/2000 reduces harmful and annoying low frequency noise like a jet engine produces. This Stereophone also has an input jack for high-quality audio play-through. more info
		Koss TD/80 Stereophone with Each-Ear Volume Control This is an excellent home Stereophone with extra long 10 foot coiled cord, dual earcup volume control for easy volume adjustment and adjustable headband so everyone in the household can get a secure comfortable fit. more info