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How it is possible to get “MO” out of a Massive Audio CEA 2031 Certified “SUMMO” subwoofer? All you got a do is just Double Stack 250 Oz Strontium Magnets on a newly designed light weight ultra-strong cast aluminum basket. Use dual 4 Ohm Black 3” anodized VC formers with Kevlar Spunlace suspended into a custom Black Anodized 1 piece milled pole-plate. (This helps increase the concentration of the magnet field) Now just add oversized dual Poly Nomex Spiders. Bond them to Kevlar fiber reinforced Non-Pressed Paper Cones that have been stitched in “Red” onto the oversized surround. Throw in some 10 gage speaker cable that’s hard wired to the tinsel leads and just bolt everything together! That makes the SUMMO 104 "XL", 124 “XL” & the 154 “XL” Extra: “Large, Low and Loud”


    Size 10"
    Peak Watts 3000
    RMS Watts 1500
    Cone Non-Pressed Paper
    Voice Coil 3" Dual 4 Ohm
    Surround EROM Foam with Red Stitching
    Magnet 250oz Double Stacked
    Terminals Heavy Duty Direct Input Wires Connection
    Basket Die Cast
    Tinsel Leads Heavy Duty Triple
    X-Max 13.5mm
    SPL 90.3dB
    Ported Box 16"H x 14"D x 14"W (3"x8" Round Port) 
    Sealed Box 15" x 14" x 12"
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