- Delivers 400 watts RMS and 800 watts peak power for rich, resonant low frequencies that bring your music to life.
- Features a black matte pressed paper cone with a durable butyl rubber surround for precision sound and long-term reliability.
- Equipped with an oversized magnet and nickel-plated spring terminals for strong, clean signal flow and optimal power handling.
- With a 10mm Xmax and 91 dB sensitivity, this subwoofer reproduces every bass hit with clarity and depth.
- Performs best in a 0.9 cu ft ported box with a 4" diameter, 8.89" port length, ensuring tight, responsive bass in any setup.
Cadence Pro Car Audio 12" 400 Watt RMS 4-Ohm Single Voice Coil Subwoofer CMW124S
This Listing Includes:
- 1x Cadence CMW124S 12" Subwoofer
- User Manual
The Cadence CMW124S from the Momentum Series is built for clean, powerful bass and eye-catching style. Its bold 12-inch matte black cone, accented with the signature orange Momentum logo, represents strength, speed, and control. This single 4-ohm subwoofer delivers up to 400 watts RMS and 800 watts peak, giving you deep, precise lows that hit hard without distortion.
Crafted with a pressed paper cone and butyl rubber surround, the CMW124S balances rigidity and flexibility for accurate bass response. Its oversized magnet and nickel-plated spring terminals ensure efficient power transfer and durability. With an impressive 10mm Xmax, this subwoofer handles every bass drop with confidence.
Designed for performance and flexibility, it performs best in a 0.9 cubic foot ported enclosure with a 4-inch port diameter and 8.89-inch port length. Whether you’re upgrading a daily driver or building a competition-worthy setup, the CMW124S delivers the low-end foundation your system deserves.
Specifications:
- Size: 12"
- RMS Power: 400W
- Peak Power: 800W
- Impedance: Single 4 Ohm
- Sensitivity: 91 dB
- Frequency Response: 30 Hz -1.8 kHz
- Voice Coil: Single 4 Ohm
- Cone: Black Matte Pressed Paper
- Surround: Butyl Rubber
- Magnet: Oversized Motor Assembly
- Basket: Nickel-Plated Spring Loaded
- Xmax: 10 mm
- VAS: 62.22 L
- FS: 32.85 Hz
- QTS: 0.382
Dimensions:
- Mounting Depth: 5.55" (141 mm)
- Ideal Ported Box Volume: 0.9 cu ft (25.48 L)
- Port Diameter: 4" (101.6 mm)
- Port Length: 8.89" (225.8 mm)
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
Bank Transfers
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.
