KOSS 165789 QZPRO NOISE-REDUCING HEADPHONES
DELIVERS COMBINATION OF PASSIVE & ACTIVE NOISE REDUCTION (ANR) SOFT VINYL CLOSED CUSHIONS CREATE A SEAL AROUND THE EAR ACTIVE NOISE REDUCTION CIRCUITRY BUILT DIRECTLY INTO THE EAR CUPS NOISE REDUCTION CIRCUITRY CAN BE TURNED ON & OFF WITH A FLIP OF A SWITCH EXTRA-SOFT PADDED HEADBAND COMPLETELY COLLAPSIBLE—IDEAL FOR TRAVEL FREQ RESP: 40 HZ–20 KHZ IMP: 32 OHM SENSITIVITY: 90 DB MW 4-FT SINGLE ENTRY STRAIGHT CORD REQUIRES 2 AAA BATTERIES FOR APPROX 30 HOURS OF CONTINUOUS PLAY INCLUDES 2-PRONG AIRLINE ADAPTER
SKU: KSSQZPRO