Cadence 1000 Watt 1-Ohm Monoblock Class D Car Audio Amplifier QR1000.1

• Massive 1000W RMS Power – Delivers pure, consistent bass performance with up to 1000 watts RMS at 1 ohm for serious subwoofer output.
• High-Efficiency Class D Design – Built with advanced MOSFET circuitry for cleaner power, lower distortion, and maximum efficiency.
• Complete Bass Control – Fine-tune your low end with adjustable subsonic filter (10–50Hz), LPF (50–250Hz), and bass boost (0–15dB).
• Compact, Durable Build – Sleek silver-gray aluminum heatsink keeps the amplifier cool and stylish while saving space in tight installs.
• Reliable 4-Way Protection – Thermal, short circuit, DC, and overload protection ensure long-term stability and safety in any setup.

Cadence 1000 Watt 1-Ohm Monoblock Class D Car Audio Amplifier QR1000.1

This Listing Includes:

• (1) Quartz Core QR1000.1 Monoblock Class D Car Amplifier

The Quartz Resonance QR1000.1 combines pure power and refined sound engineering into one compact, high-performance amplifier. Designed for subwoofer lovers who demand both precision and depth, this mono-channel powerhouse delivers an astonishing 1000 watts RMS at 1 ohm, producing deep, controlled bass that fills your entire ride with energy. Built with MOSFET technology for superior efficiency and clarity, the QR1000.1 turns every note into a rich, resonant experience. Its elegant silver-gray aluminum body adds a touch of sophistication while maintaining the durability to handle any setup.

Specifications:

• Amplifier Type: Class D


• Channel Configuration: Monoblock


• RMS Power @ 4 Ohms: 400 W x 1


• RMS Power @ 2 Ohms: 650 W x 1


• RMS Power @ 1 Ohm: 1000 W x 1


• Frequency Response: 10 Hz - 250 Hz


• Input Sensitivity: 200 mV - 6 V


• Total Harmonic Distortion (T.H.D): < 0.05 %


• Signal-to-Noise Ratio: > 90 dB


• Low-Pass Filter (LPF): 50 Hz - 250 Hz


• Subsonic Filter: 10 Hz - 50 Hz


• Bass Boost: 0 - 15 dB


• Phase Control: 0 - 180


• Input Type: RCA


• Remote Level Control: Included


• Protection: Thermal, Short Circuit, DC Fault, Power Surge


• Construction: Aluminum alloy heatsink, silver-gray finish


• Cooling System: Advanced MOSFET design for high efficiency

Dimensions:

• Length: 12.20 in (310 mm)


• Width: 6.30 in (160 mm)


• Height: 2.05 in (52 mm)


• Weight: 8 lbs


• Shipping Dimensions: 16 x 11 x 5 in

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.