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

Description

• 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