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

• 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

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.