Edifier Airpulse Stand Amplify Perfection Removes vibration Solid Support Hollow center for adding sand DIMENSION W 320 x H 660 x D 400 mm /12.6 x 26 x 15.8 inch WEIGHT 18.8 Kg / 41.4 Pounds UP COVER 300x210x21mm BOTTOM COVER 400x320x30mm HEIGHT 600mm NET WEIGHT 18.8kg