Massive Audio 6" 400 Watt Subwoofer Dual 4 Ohm Shallow Mount SUMMO64S

• Shallow Mount Design via Sealed Backplate & Customized Vented Cast Basket
• Bolt-To-Box Machined Hex Screw-on Magnet Backplate for Maximized Bass via Reduced Box Flexing
• 4-Layer Hi-Temp 1.5" Voice Coil
• Double Stacked 45oz High Energy Strontium Ferrite Magnets
• 100% Pure Copper Cables with Direct Lead Connection

Massive Audio 6" 400 Watt Subwoofer Dual 4 Ohm Shallow Mount SUMMO64S

This listing includes:

• (1) 6" Subwoofer SUMMO64S

Maximize Bass Reproduction and save on airspace via this innovative new design! This new cast basket and sealed bottom plate design will replace traditional bottom venting by redirecting the cooling from the pole piece vent to the bottom of the customized basket. this allows the subwoofer to be installed where the depth is limited. By bolting this machine screw through the back of the enclosure to the backplate of the subwoofer you will minimize 'box flexing' and reduce the airspace needed in the box itself!

Features:

• Shallow Mount Design via Sealed Backplate & Customized Vented Cast Basket


• Bolt-To-Box Machined Hex Screw-on Magnet Backplate for Maximized Bass via Reduced Box Flexing


• Optimized Spider & High Rolled Edge for Superior Bass Reproduction


• Kevlar Fiber Enhanced Non-Pressed Paper Cone


• 4-Layer Hi-Temp 1.5" Voice Coil


• Fiberglass Woven Dust Cap


• Double Stacked 45oz High Energy Strontium Ferrite Magnets


• Enhanced Cooling T-yoke Design with Black Anodized Finish


• Customized Rubber Gasket and Magnet Boot


• 100% Pure Copper Cables with Direct Lead Connection


• Triple Black Poly Cotton Spiders with Mirror Image Layout

Specifications:

• Size: 6"


• Peak Watts: 400


• RMS Watts: 200


• Cone: Non-Pressed Paper


• Voice Coil: Dual 4 Ohm


• Surround: Red Stitching


• Magnet: 45oz Double Stacked


• Terminals: Heavy Duty Direct Input Wires Connection


• Basket: Rugged Industrial Textured Cast


• Tinsel Leads: Heavy Duty Triple


• X-Max (2-Way): 8mm


• SPL: 85dB

Dimensions:

• Ported Box: 0.574 ft3


• Sealed Box: 13.8" x 8.1" x 8.88"


• Diameter: 7.03"


• Mounting Depth: 3.86"


• Baffle Cut: 5.94"

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.