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<p>A: New locking mechanism for reliable safe operation; without the need of safety pin; Easy to adjust the height of the speaker cabinet by one hand.</p>
<p>B: Air cushion spring mechanism to prevent from the speaker cabinet falling quickly and make easy lifting and meanwhile ensure the safe operation;</p>
<p>Specification:</p>
<p>Height: 1100-1800mm</p>
<p>Load capacity: 60kg</p>
<p>Material: aluminum alloy</p>
<p>Inner box: 130x130x1130mm (1pcs)</p>
<p>Master Carton: 280x280x1155mm (4pcs)</p>