• Powerful & Compact: 600W RMS / 1200W peak power in a rugged 8” design
• Overbuilt Voice Coil: 2.5" Kapton voice coil with anodized aluminum former
• Kevlar Cone + Red Stitching: Kevlar-reinforced cone with high-roll stitched surround
• Efficient Cooling: Vented back plate and basket to prevent thermal damage
• Built for SPL & Music: Clean bass, tight response, and bulletproof construction

8" 600W RMS Dual 4 Ohm Heavy Duty Car Audio Subwoofer Massive Audio Hippo H84

This Listing Includes:

• (1) Massive Audio Hippo H84 8†Subwoofer Dual 4 Ohm

The Massive Audio Hippo H84 is an 8-inch subwoofer engineered for serious bass heads and audiophiles who demand high output and clean low-end performance. With a 600W RMS power rating, overbuilt construction, and a rugged double-stack motor, the H84 is designed to dominate in both musicality and SPL.

Crafted with a 2.5" anodized aluminum voice coil, Kevlar spunlace reinforcement, dual Nomex spiders, and a Kevlar fiber cone, this sub delivers durability and precision. The cast aluminum basket, high-roll surround with red stitching, and fiberglass woven dust cap further ensure structural stability under pressure.

Whether you're building a competition system or a powerful daily driver, the Hippo H84 offers compact size, clean response, and massive output in a rugged, long-lasting package.

Specifications:

• Subwoofer Size: 8"


• RMS Power: 600 Watts


• Peak Power: 1200 Watts


• Impedance: Dual 4 Ohm


• Voice Coil Diameter: 2.5"


• Voice Coil Material: High-Temp Kapton with Anodized Aluminum Former


• Magnet Weight: 84 oz (Double Stack)


• Cone: Kevlar Fiber Reinforced Non-Pressed Paper


• Surround: High-Roll Foam with Red Stitching


• Basket: Cast Aluminum


• Dust Cap: Fiberglass Woven


• Spider: Dual Nomex with Mirror Image Layout


• Xmax: 11 mm


• Mounting Depth: 5.44"


• Mounting Diameter (Cutout): 7.2"


• Outer Diameter: 8.72"


• Net Weight: 13.23 lbs


• Displacement: 0.04 ft


• Sensitivity: 80.72 dB @ 2.83V/1m


• Fs: 51 Hz


• Qts: 1.049


• Vas: 2.363 L


• Re: 3.5 Ohms (Per Coil)

Enclosure Recommendations:

Sealed Box:

• Volume: 0.36 - 0.8 ft


• F3: 66 Hz


• Qtc: 0.64

Ported Box:

• Volume: 0.55 - 0.91 ft


• Tuning Frequency: 30 Hz


• F3: 23.5 - 27.4 Hz

Dual Ported Box:

• Volume: 0.88 - 1.18 ft


• Port Area: 3.02 - 3.02 sq. in


• F3: 26.8 - 29.4 Hz