8" 250 Watt RMS Dual 4 Ohm Car Audio Subwoofer Massive Audio GTS8

• Only 2.84" mounting depth, perfect for tight or hidden installs in trucks, cars, or motorcycles
• Injection-molded polypropylene cone with pressed foam surround for accurate low-end response
• 2" high-temp dual 4 ohm voice coil wound on aluminum former for cooling and performance
• High flux Y35 30oz strontium ferrite magnet delivers punchy bass in a shallow frame
• Versatile enclosure compatibility for sealed, ported, or dual-sub bass boxes

8" 250 Watt RMS Dual 4 Ohm Car Audio Subwoofer Massive Audio GTS8

This listing includes:

• (1) Massive Audio GTS8 8" Shallow Mount Subwoofer, Dual 4 Ohm, 250W RMS

Built for bass lovers with limited space, the GTS8 from Massive Audio brings tight, clean low-frequency performance in a compact, shallow-mount design. With a mounting depth of only 2.84", this subwoofer is ideal for under-seat, behind-seat, or tight custom installations.

Specifications

• Speaker Size: 8"


• RMS Power Handling: 250W


• Peak Power Handling: 400W


• Impedance: Dual 4 Ohm


• Voice Coil Size: 2" High-Temp EISV


• Cone Material: Injection-Molded Polypropylene (PP)


• Surround: Pressed Foam


• Magnet: Y35 Strontium Ferrite (30oz)


• Basket: Heavy Gauge Steel with Industrial Texture


• Terminals: Gold-Plated Push Pin


• Tinsel Leads: Poly-Cotton Spider with Woven Round Leads


• Mounting Depth: 2.84"


• Mounting Diameter (Outer): 8.44"


• Mounting Cutout Diameter: 7.2"


• Net Weight: 5.29 lbs


• Displacement: 0.02 ft


• X-Max: 7mm


• SPL: 84 dB


• Fs (Free Air Resonance): 55.4 Hz

Enclosure Recommendations:

Sealed Box

• Small: 0.45 ft (Internal: 11" x 10" x 7.65")


• Large: 0.88 ft (Internal: 14" x 10" x 11.3")


• F3: 56.3 Hz (small), 52.6 Hz (large)

Ported Box

• Volume: 0.61–1.0 ft


• Internal: 14" x 10" x 8.5" (for 0.61 ft)


• Port: 3.15" x 6.85" Round


• Fb: 61 Hz


• F3: 50 Hz

Dual Sub Box Ported

• Volume: 1.0 - 1.2 ft


• Internal: 20" x 10" x 9.4"


• Port: 2.83" long, 7.32" diameter


• F3: 44.2 - 47 Hz

Package Dimensions:

• Length: 10"


• Width: 10"


• Height: 5.5"


• Package Weight: 6.5 lbs

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.