(W x H x D) 145 x 45 x 99 mm (5-11/16" x 1-3/4" x 3-7/8") 

Cerwin Vega B52 used in our 400 watt Amplified Speakers
Dimensions

• Length x Width x Height (Inches): 9.07 x 4.0 x 1.46
• Length x Width x Height (mm): 230.5 x 103 x 37.2

Cerwin Vega B54 USED IN OUR 320 WATT AMPLIFIED SPEAKERS
Dimensions

• Length x Width x Height (Inches): 9.74 x 5.27 x 1.75
• Length x Width x Height (mm): 247.6 x 133.9 x 44.5

Diamond Audio HXM800.2D USED IN OUR 480 WATT AMPLIFIED SPEAKERS
Dimensions

• Length x Width x Height (Inches): 9.3 x 5.27 x 1.75
• Length x Width x Height (mm): 237 x 133.9 x 44.5