Garage
Shop

See all parts that fit your 2001 Taurus

Cadence QR80.4

510 W RMS QR Series 2 ohm Stable 4-Channel Class-D Amplifier

Cadence
Shop all Cadence
highlight-star-icon

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
•255 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 510 Watts
• High and Low Pass Filters
• Aluminum Heatsink
• Dimensions: 6.3" W x 9.21" L x 2.05" H

Learn more about the qr804

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
99-5716 main

Metra 99-5716

Single DIN Installation Dash Kit for select 2000-2003 Taurus and Sable w/Rotary Climate Controls

8
-10.22%

$166.99

List price $185.99

Description


Cadence brand icon

Authorized dealer

General Features:

  • Cadence QR Series QR80.4
  • Class-D Full Range 2-ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 80 watts x 4 chan.
    • 2 ohm: 130 watts x 4 chan.
    • 1 ohm: ------------N/A------------
    • Bridged, 4 ohm: 255 watts x 2 chan.
  • Total power output: 510 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4/3 channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity: .2V - 7V
  • Frequency Response: 20 - 30000 Hz
  • Total Harmonic Distortion (THD): .06%
  • Signal to Noise Ratio: >90dB
  • Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
  • Variable low-pass filter: 50 - 250 Hz, 24 dB/octave
  • Fuse Rating: 25A x 2
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 6.3"W x 9.21"L x 2.05"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the QR80.4 Owner's Manual

Loading...
REF507CF_2_MET-825601_2 main

2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates

390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates

3
-12.14%

$477.88

List price $543.88

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

124
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

3
-19.05%

$339.99

List price $420.00

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99


Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

NDA6004 small

NVX NDA6004

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(14)

$159.99

List price $215.99

VAD10004v2 small

NVX VAD10004 v2 (VAD10004v2)

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(25)

$279.99

List price $335.99

RD400/4 small

JL Audio RD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(28)

$304.99

List price $379.99

MFA 4.220 small

Deaf Bonce MFA 4.220

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$289.90

List price $289.90

JD400/4 small

JL Audio JD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(34)

$299.99

List price $299.99

MFA 4.180 small

Deaf Bonce MFA 4.180

• 180 watts x 4 channel @ 4 ohm
• 270 watts x 4 channel @ 2 ohm
• Bridged: 540 watts x 2 channel @ 4 ohm
• Total RMS Power: 1080 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$259.90

List price $259.90

MVPA4 small

NVX MVPA4

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(70)

$279.99

List price $383.99

MDX2000.4 2 Ohm small

PRV Audio MDX2000.4 2 Ohm

• 330 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$219.91

List price $274.89

AP200/4BT small

JL Audio AP200/4BT

• 40 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 4 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$549.99

List price $659.99

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
80 watts x 4 channel
RMS Power @ 2 ohms
130 watts x 4 channel
Bridged RMS Power
255 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
510 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.06%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
50 - 250 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Signal-to-Noise Ratio
>90 dB
Fuse Rating
25A x 2 
Total Fuse Rating
50
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

QR80.4

Weight:

5.70lbs

Internal SKU:

qr804

Internal Product ID:

149911

Customer Ratings & Reviews


Cadence QR80.4 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


ETP-12-2 small

Memphis ETP-12

12-Foot 2 -Channel Audio Interconnect Cables

$18.95

List price $18.95

V10-6 small

Tsunami V10-6

6 ft. V10 Series Male to Male 2-Channel RCA Interconnect Cable with Twisted Pair Technology

$9.99

List price $19.99

No picture

6" x 9" Speaker Box

$9.99

List price $19.99

SS3500.1D small

Autotek SS3500.1D

3500W Peak Super Sport Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob Included

(5)

$109.99

List price $399.99

MANLFB438 small

db Link MANLFB438

4 AWG Input / Three 8 AWG Output Mini ANL Fused Power Distribution Block

$10.99

List price $39.99

EST6Z small

DB Link Elite EST6Z RCA

6 ft. 2-Channel Elite Soft Touch Series Interconnect Cable

$5.99

List price $14.99

V10-Y2 small

Tsunami V10-Y2

6" V10 Series 2-Female to 1-Male RCA Interconnect Y-Adapter Cable with Twisted Pair Technology

$5.99

List price $9.99

MIBRSSW16 small

Install Bay MIBRSSW16

Universal 16mm Stainless Momentary White LED Switch with Harness

$19.99

List price $22.99

ETP-YM-2 small

Memphis ETP-YM

"Y" Cable Connects One Female RCA Input To 2 Male RCA Outputs

$10.95

List price $10.95

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2001 Ford Taurus

2014 Nissan Leaf

2015 MINI Cooper

2002 Ford Focus

2018 MINI Cooper

2018 Ford Flex

2002 Hyundai Sonata

2007 Lexus ES350

2012 Suzuki Equator

2008 Audi A3

Vehicle
Store
Delete

2002 Harley Davidson FXSTD Softail Deuce

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.