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Cadence 600 Watt 2-Ohm Class A/B Monoblock Car Audio Amplifier QRS1.600GH

CASE QUANTITY: N/A

PACKAGE WEIGHT: 11.0 LB

SKU CAD-QRS1.600GH
by Cadence
Save 20% Save 20%
Original price $498.75
Original price $498.75 - Original price $498.75
Original price $498.75
Current price $399.00
$399.00 - $399.00
Current price $399.00

Free Gifts when added to Cart

The more you spend, the greater selection of free gifts you'll have at your fingertips when selecting items in your shopping cart!

  • Focused 600W RMS Power – Delivers 600 watts RMS at 2 ohms for powerful, distortion-free bass that brings your subwoofer to life.
  • Class A/B Sound Quality – Combines warmth, clarity, and natural tone for a true-to-life low-frequency response with exceptional precision.
  • Customizable Bass Control – Adjustable Bass Boost (0–15dB), LPF, HPF, and subsonic filter let you fine-tune your system for perfect sound balance.
  • Elegant and Durable Design – Black brushed aluminum heatsink with nickel-plated terminals provides both superior cooling and professional aesthetics.
  • Advanced Protection System – Microprocessor-monitored circuitry protects against thermal overload, short circuit, DC faults, and overcurrent for reliable performance.


Cadence 600 Watt 2-Ohm Class A/B Monoblock Car Audio Amplifier QRS1.600GH


This Listing Includes:



  • (1) Quartz Core QRS1.600GH Monoblock Class A/B Car Amplifier


The Quartz Resonance Supreme QRS1.600GH merges pure power with refined precision. Designed for subwoofer enthusiasts who crave deep, clean, and powerful bass, this single-channel amplifier delivers 600 watts RMS at 2 ohms for uncompromising low-frequency performance. Its Class A/B design ensures warmth, clarity, and musical accuracy across the full bass range, while the sleek black brushed aluminum chassis gives it a premium, durable finish. With advanced microprocessor monitoring, the QRS1.600GH guarantees stable operation and long-term reliability, even under demanding use. Whether for high-end car audio or competition setups, it delivers controlled power, exceptional build quality, and sound that truly moves you.


Specifications:



  • Amplifier Type: Class A/B

  • Channel Configuration: Monoblock

  • RMS Power @ 4 Ohms: 400 W x 1

  • RMS Power @ 2 Ohms: 600 W x 1

  • Frequency Response: 10 Hz - 250 Hz

  • Input Sensitivity: 100 mV - 6 V

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

  • Signal-to-Noise Ratio: > 86 dB

  • High-Pass Filter (HPF): 50 Hz - 250 Hz

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

  • Subsonic Filter: 10 Hz - 50 Hz

  • Bass Boost: 0 - 15 dB (40 Hz - 00 Hz)

  • Phase Control: 0 - 180

  • Input Type: RCA

  • Fuse Rating: 30 A x 2

  • Remote Level Control: Included

  • Protection: Thermal, Short Circuit, Overload, DC Fault

  • Construction: Black brushed aluminum heatsink with nickel-plated terminals

  • Cooling System: Advanced heat dissipation with microprocessor control


Dimensions:



  • Length: 13.78 in (350 mm)

  • Width: 7.56 in (192 mm)

  • Height: 2.32 in (59 mm)

  • Weight: 11 lbs

  • Shipping Dimensions: 18 x 12 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.
This is a collage image.  The word family displayed across with photos of the Big Jeff Audio employees inside each letter and a blurred background of our setup at a car show This is a collage image.  The word family displayed across with photos of the Big Jeff Audio employees inside each letter and a blurred background of our setup at a car show

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What began in 2014 as a small family-run shop on E-bay & Amazon has grown into a thriving business built on trust, dedication, and a passion for helping our customers find exactly what they need.

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