Cadence® QR804 - QR Series Class D 4-Channel 1000W Amplifier

Cadence® QR804 - QR Series Class D 4-Channel 1000W Amplifier
$ 138
In stock: 22 pcs.
Product Detail:

80 Watts x 2 + 125 Watts x 2 RMS @ 2 Ohms
80 Watts RMS x 4 @ 4 Ohms
80 Watts x 2 + 240 Watts RMS x 1 @ 4 Ohms Bridged
Peak Power: 1000 Watts
Performance Level: ULTRA Performance
Amplifier Class: Class D
Fuses: 2 x 25A
Dimensions: 7-1/8"W x 2-1/8"H x 9-1/4"L


  • Low level RCA inputs
  • LED indicators for power and diagnostic
  • Custom molded plastic endcaps
  • Aluminum extruded chassis
  • Custom engraved logo

Over the past 20 years, Cadence® has earned a reputation among car audio lovers for truly original designs and innovations. Their mission has always been to build exciting products that make your audio system look and perform at its absolute best, whether you are an SPL competitor or sound quality fanatic.

Part Number:

Warranty Information

Cadence® products are covered by warranty from defects in materials and workmanship for a period of one year if the unit is not installed by an authorized Cadence dealer and two years if installed by an authorized Cadence dealer. Proof of purchase is required for warranty repair; and proof of professional install for two years extended warranty. Warranty is to the original purchaser only. All products not under warranty are subject to a repair charge.

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Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

This part is universal
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This part is universal

Delivery Information:

FAST and FREE Delivery in Toronto. Delivery time: up to 24 hours. Order by 2pm for Delivery Today.

FREE Delivery in Canada. Delivery time: 24-48 hours. Order by 3pm for Next Day Delivery.

FREE International Delivery Available. Delivery time: 2-6 working days.

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Accepting orders & Shipping
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9:00 am - 14:00 pm (Sa)
Su - off-time


Delivery in Toronto

  • Courier to the address
  • Free shipping

Shipping in Canada

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