Massive Audio

Massive Audio HIPPOXL 84R Subwoofer

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  • Regular price $254.99
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The 2019 GeekWrapped 'best product in category' winner; Hippo XL 84R is a CEA 2031 Certified Subwoofer apart of the current wildly popular HIPPOXL Series Subwoofers. Big Bass with a Big Bottom! The XL84R is Dual 4 Ohm, 900 RMS 1800 Max and uses a high temp 2.5” Aluminum VC, 120oz stacked Strontium Magnets with tight Red stitching that’s sewn through Kevlar Fiber Non-Pressed Paper Cones.


  • Heavy Duty, Rugged Industrial Textured Cast Aluminum Basket
  • High Energy Double Stack Strontium Magnet Structure
  • Dual Impedance High Temp Aluminum 2.5” Voice Coil Former with Kevlar Spunlace
  • Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish
  • Red Stitched Edge to the Cone’s Edge for Added Strength
  • Over Sized Mirror Image Dual Poly / Nomex Spiders
  • Black Anodized One Piece Pole-Plate for Added Motor Force
  • Heavy Duty Direct Input Wires Connection to Voice Coils
  • Reinforced Fiberglass Woven Dust cap for High Power Applications
  • Custom Tooled Rubber Gasket and Magnet Boot


*T/S Parameters on website supersede user manual specifications

Size 8"
Peak Watts 1800
RMS Watts 900
Cone Non-Pressed Paper
Voice Coil 2.5" Dual 4 Ohm
Surround Tall and Narrow Foam
Magnet 120oz Strontium
Terminals Heavy Duty Direct Input Wires Connection
Basket Cast Aluminum
Tinsel Leads Heavy Duty Triple
X-Max 17.5mm 
SPL 78.58dB
Ported Box 12"H x 11"D x 11"W (Round Port 3" x 8")
Sealed Box 1.1 ft3
Fs 46.2 Hz
Re 3.6 Ohms
Le 6.12 mH
BL 27.99 Tm
Qms 7.98
Qes 0.446
Qts 0.422
Vas 14.22L
Cms 0.0356 mm/N
Mms 334.4g
Sd 530 sq cm
Vd 0.927L


Product Manual