d&b audiotechnik E7460.000 Touring Case for E5 Loudspeakers Holds 4 100697273 Shock and vibration mitigation is Shock and vibration mitigation is accomplished with eight (8) elastomeric isolators rated for a payload range of 40 lbs to 150 lbs in a standard configuration (optional extended payload range of 160 lbs to 300 lbs can be accommodated as a special order option) The WMS40 Mini system stands out for its extremely long battery life of 30 hours with a single AA battery which helps saving money in the long run d&b audiotechnik E7460 Its robust construction and efficient design make it a reliable choice for touring professionals needing durable equipment protection