Cadence 2000 Watt 1-Ohm Class D Monoblock Car Audio Amplifier QR2000.1

• High-Efficiency Class D Design – Advanced MOSFET power circuitry delivers clean, powerful sound with minimal distortion and excellent efficiency.
• Precision Bass Control – Adjustable subsonic filter (10–50Hz), LPF (50–250Hz), and bass boost (0–15dB) let you fine-tune your low-end response perfectly.
• Durable, Sleek Construction – Rugged aluminum heatsink with a silver-gray finish ensures reliable cooling and a professional look in any setup.
• Comprehensive Protection System – Equipped with thermal, short circuit, DC, and overload protection for long-lasting performance and safety.
• Powerful 2000W RMS Output – Pushes up to 2000 watts RMS at 1 ohm for deep, earth-shaking bass that dominates any car audio system.

Cadence 2000 Watt 1-Ohm Class D Monoblock Car Audio Amplifier QR2000.1

This Listing Includes:

• (1) Quartz Core QR2000.1 Monoblock Class D Car Amplifier

The Quartz Resonance QR2000.1 is built for those who crave pure, unstoppable power. This amplifier delivers an incredible 2000 watts RMS at 1 ohm, combining brute strength with refined sound engineering for a truly immersive bass experience. Its precision-tuned Class D circuitry ensures clean, distortion-free output while maintaining exceptional efficiency. Crafted with a sleek silver-gray aluminum body, the QR2000.1 doesn’t just perform like a powerhouse—it looks like one too. Whether you’re driving a single subwoofer or pushing a competition setup, this amplifier gives you the control, reliability, and performance that serious car audio demands.

Specifications:

• Amplifier Type: Class D


• Channel Configuration: Monoblock


• RMS Power @ 4 Ohms: 800 W x 1


• RMS Power @ 2 Ohms: 1250 W x 1


• RMS Power @ 1 Ohm: 2000 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 - 0 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: Silver-gray aluminum alloy heatsink


• Cooling System: Advanced MOSFET design for efficient heat management

Dimensions:

• Length: 17.72 in (450 mm)


• Width: 6.30 in (160 mm)


• Height: 2.05 in (52 mm)


• Weight: 12 lbs


• Shipping Dimensions: 21 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.