Pair of 12" 300 Watt RMS Subwoofers w/ Monoblock 690 Watt Class D RGB Amplifier

• (1) Class D monoblock amplifier with up to 690 Watts max dynamic power @ 1 Ohm
• (2) 12-inch car audio subwoofers with 300 Watts RMS / 1200 Watts peak power each
• Compact amp size: 2.16" (H) x 9.56" (W) x 5.59" (D) with 4–8 AWG power and 12–16 AWG speaker terminal compatibility
• 5.75-inch mounting depth, compatible with a variety of enclosures

Pair of 12" 300 Watt RMS Subwoofers w/ Monoblock 690 Watt Class D RGB Amplifier

This Listing Includes

• (2) 12" 300 Watts RMS 4-Ohms Car Audio Black/Blue Subwoofers


• (1) Mono Block 690 Watts Class D RGB Amplifier w/ Bluetooth App Control

This powerful bass bundle includes a pair of 12-inch subwoofers and a 690-watt Class D monoblock amplifier with RGB lighting and Bluetooth app control. Enjoy deep, punchy bass and customizable sound, perfect for upgrading your car audio system.

Subwoofer Features:

• Foam surround for enhanced bass response and durability


• Stamped steel basket for structural integrity


• Long-throw bump plate designed for deep bass and high excursion


• 5.75-inch mounting depth, compatible with a variety of enclosures

Subwoofer Performance:

• RMS Power: 300 Watts


• Peak Power: 1200 Watts


• Nominal Impedance: 4 Ohms


• Sensitivity: 89 dB


• Frequency Response: 27 Hz - 350 Hz


• Magnet Weight: 40 oz


• Fs: 30 Hz


• Qts: 0.566


• Qes: 0.595


• Qms: 11.701


• Vas: 92.354 L

Subwoofer Dimensions:

• Subwoofer Size: 12 inches


• Mounting Depth: 5.75 inches


• Mounting Cutout: 11.00 inches

Amplifier Features:

• (1) Class D digital amplifier for maximum efficiency


• (1) Adjustable low-pass crossover (32 Hz - 300 Hz) and bass boost at 45 Hz


• (1) Short circuit, thermal, and DC offset protection


• (1) RGB lighting control via Jensen AMP app (Apple / Android compatible)

Amplifier Power Ratings (50 Hz, 1% THD+N):

• 290W x 1 @ 4 Ohms


• 470W x 1 @ 2 Ohms


• 595W x 1 @ 1 Ohm

Dynamic Power (50 Hz, 1% THD+N):

• 300W x 1 @ 4 Ohms


• 545W x 1 @ 2 Ohms


• 640W x 1 @ 1 Ohm

Maximum Dynamic Power (50 Hz, 10% THD+N):

• 325W x 1 @ 4 Ohms


• 565W x 1 @ 2 Ohms


• 690W x 1 @ 1 Ohm

Amplifier Specifications:

• Frequency Response: 20 Hz – 300 Hz


• Signal-to-Noise Ratio: 68 dBA


• Gain Adjustment: 200mV – 6V


• Power/Ground Terminals: 4 – 8 AWG compatible


• Speaker Terminals: 12 – 16 AWG compatible


• Fuse Size: (2) 25A

Amplifier Dimensions:

• Height: 2.16 inches


• Width: 9.56 inches


• Depth: 5.59 inches

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.