Hint: A HEADPHONE DESIGN SOMEWHERE BETWEEN CLOSED EAR AND OPEN AIR
SEMI OPEN
Not bad. You're nearing perfection. Play on.
SEMI OPEN - A HEADPHONE DESIGN SOMEWHERE BETWEEN CLOSED EAR AND OPEN AIR
Hint: A HEADPHONE DESIGN SOMEWHERE BETWEEN CLOSED EAR AND OPEN AIR
Not bad. You're nearing perfection. Play on.
SEMI OPEN - A HEADPHONE DESIGN SOMEWHERE BETWEEN CLOSED EAR AND OPEN AIR