BOX SUBWOOFER TAPPED HORN SINGLE 18 INCH MTH-4654

Frequency:  F3= 37Hz -3dB with 1 box, 33Hz -3dB with 4 boxes and  30Hz -3dB with 8 boxes.
Efficiency: 1box 1w1m 2Pi (2.83volts) = 102db,4 boxes 1w/1m 2Pi (1.41volts) = 106.5dB

Enclosure Type: Tapped Horn

Size: 111x87x60cm 

Tebal Material : 18mm