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With 40mm drivers delivering exceptional sound quality
Ideal for Educational & Professional Use: With its combination of comfort
Keeping proper hygiene is more important now than ever before
Language & literacy: Speaking practice
HamiltonBuhl HA2 Sack-O-Phones - Green - 10 Pack env_testing With 40mm drivers delivering exceptionalHamiltonBuhl HA2 Sack O Phones Green 10 Pack Affordable, classroomready listening kit featuring HamiltonBuhl HA2 personal headphones. Durable, easy clean design ideal for labs, centers, and testing. Choose Your Color Green Purple Orange Blue Also Available 5 Pack Galaxy SackOPhones Lab Pack 24 Whats Included (10) HA2 Green Personal Headphones (1) SackOPhones Carry Bag Headphone Specs (HA2) Driver: 30 mm Frequency Response: 50 Hz 16 kHz Impedance: 32