Jbl Control 25T High O/P Indoor/Outdoor Loudspeaker System -Black Designed for both indoor and outdoor applications, the robust Control 25 is possibly the most versatile of JBL's indoor/outdoor Control Contractor Series speakers. Ideal for theme park, health clubs, parks and restaurants, the Control 25 is easily mounted and highly theft deterrent due to the unique InvisiBall mounting. InvisiBall adds the benefit of vertical rotation of up to 37Â° off-axis and horizontal rotation of up to 44Â° off-axis and all adjustments are made from behind the logo badge without having to remove the grill.