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Kicker KEY500.1 (47KEY5001) with Amp Kit and 3-Year Warranty

500W RMS KEY Series Class-D Smart Monoblock Amplifier with Automatic Tuning DSP with Amp Kit

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• KEY Auto Setup customizes the signal for your vehicle
• 150 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 500 watts x 1 channel @ 1 ohm
• Total RMS Power: 500 watts
• CEA-2006 Compliant
• Class D 1 ohm Stable Monoblock Amplifier
• Built-in automatic tuning DSP
• Amplifier Kit included

Learn more about the 47key5001_ampkit

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This item has been discontinued


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Description


Kicker brand icon

Authorized dealer

Kicker KEY500.1 (47KEY500.1)

500W RMS KEY Series Monoblock Smart Amplifier with Automatic EQ and Processor
Quantity: 1

Product Details:

  • Key Series Class 1 ohm Stable Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohm: 150 watts x 1 channel
    • 2 ohm: 300 watts x 1 channel
    • 1 ohm: 500 watts x 1 channel
  • Total power output: 500 watts
  • Remote output level control Kicker 46CXARCT optional (sold separately)
  • Optional Kicker 51DBRC to control two mono amps from same knob (sold separately)
  • KEY Technology drastically improves audio quality
  • FIT+ Differential Inputs - near universal compatibility with source units
  • Auto EQ Algorithm fixes signal and restores low bass response
  • Fully Start/Stop Compliant - operational down to 6V
  • Extremely compact footprint - perfect for space compromised vehicles
  • Input sensitivity: 0.125 - 5 volts
  • Frequency Response: 10 - 160 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: >90 dB
  • Variable low-pass filter: 40 - 160 Hz
  • Subsonic filter: 10 - 40 Hz
  • Fuse Rating: 60A
  • 8 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 8-5/32" L x 3-5/8" W x 1-11/16" H
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty
  • MFR #: 47KEY500.1

Kicker CK8 (46CK8)

K-Series 8 Gauge Amp Kit with 2-Channel Interconnects; RoHS Compliant
Quantity: 1

Product Details:

  • This Complete Eight Gauge Amp Kit comes complete with Full Spec wire, hardware, fusing and signal cable
  • The best hardware, signal and power cable comes in one convenient package
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's in the Box?

  • 17 ft 8 awg blue power wire
  • 4 ft 8 awg gray ground wire
  • Self tapping bolt and washer
  • FHS fuse holder with 60 amp fuse L=3.06", W=1.33", H=1.32"
  • 17 ft 16 gauge remote wire
  • 16.4 ft KI RCAs
  • 12 ft Q series 12 awg speaker wire
  • 6x 6" zip ties
  • 8 awg firewall grommet
  • 1x 18-22 awg butt connector
  • 4x 12 awg fork terminals
  • 2x blue fork terminal boots
  • 2x black fork terminal boots

Kicker KI25 (46KI25)

K-Series 2-Channel RCA Interconnect, 5m; RoHS Compliant
Quantity: 1

Product Details:

  • This Two-Channel K-Series Interconnect is Three Meters (16 Feet, 4 Inches) long.
  • Built for longer cable runs, the split-pin RCAs with come with silver-tinned, OFC wire for superior bass response and signal clarity.
  • These RCA Cables feature silver-tinned, OFC wire for superior signal clarity. The K-Grip™ connectors offer sure grip and slip-free installation.
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
150 watts x 1 channel
RMS Power @ 2 ohms
300 watts x 1 channel
RMS Power @ 1 ohm
500 watts x 1 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
1 - Mono
Total Peak Power Output
1000 watts
Total RMS Power Output
500 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
1 ohm
Minimum Impedance Bridged
Not Bridgeable
Frequency Response
10 - 160 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
10 - 40 Hz
Low-Pass Crossover Frequency
40 - 160 Hz
Signal-to-Noise Ratio
90 dB
Bass Boost
0 - 6 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
60A x 1 
Total Fuse Rating
60
CEA-2031 Compliant
Yes
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
125mV - 5 volts
High-Level Input Sensitivity
1 - 40 volts
Amplifier Kit Specifications
Power/Ground Wire Size
8 gauge
Power Wire Length
17 feet
Ground Wire Length
4 feet
Speaker Wire Included
Yes
Speaker Wire Length
12 feet
Remote Wire Length
17 feet
Interconnect (RCA) Signal Cables Included
2 Channel
Fuse Holder
AFS
Fuse Size
60A
Distribution Block Included
No
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

47KEY500.1, 46CK8, 46KI25

Weight:

8.99lbs

Internal SKU:

47key5001_ampkit

Internal Product ID:

200014

Customer Ratings & Reviews


Kicker KEY500.1 (47KEY5001) with Amp Kit and 3-Year Warranty thumbnail image

5 star
93%
4 star
7%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
4.9
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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Great price and quality!

The following review is for CK8, which is a part of the bundle you are viewing.

Great wiring kit! Great price! Great OEM Look under the bay!

By Mehrdad on July 10, 2021 Checkmark Icon Verified purchase

117 found this helpful


Great product

The following review is for CK8, which is a part of the bundle you are viewing.

This is what I was missing for my sub to sound way better
I had 4 gauge and wasn’t cutting it

The 8 gauge kicker can’t go wrong

By Rene on September 20, 2020 Checkmark Icon Verified purchase

38 found this helpful


Great mono amp

The following review is for KEY500.1, which is a part of the bundle you are viewing.

This straightens out the factory bass curve.

By Anthony on July 5, 2024 Checkmark Icon Verified purchase

34 found this helpful


Great price for a great kit!

The following review is for CK8, which is a part of the bundle you are viewing.

Excellent quality amp wire kit for the price. This kit was 3x the price most other places. Only thing I wish was included was some 8 gauge spade terminals to connect the wire to my amp. Didnt install yet but seems to be great quality.

By Richard on January 16, 2023 Checkmark Icon Verified purchase

27 found this helpful


Great value for the money.

The following review is for CK8, which is a part of the bundle you are viewing.

High quality Kicker wiring kit at a great price. Why pay more than twice the price elsewhere.

By Randy on November 28, 2022 Checkmark Icon Verified purchase

27 found this helpful


Kicker Simplicity

The following review is for KEY500.1, which is a part of the bundle you are viewing.

This amp was easy to install in a small space, setup was easy using supplied directions. added this amp to boost the subwoofer on my Porsche BOSE system. I have used the Porsche subwoofer enclosure upgraded with a Audiofrog 8 inch driver and a 500 w Kicker Key amp. Big improvement over stock.

By Michael on March 30, 2024 Checkmark Icon Verified purchase

22 found this helpful


Amazing Tech

The following review is for KEY500.1, which is a part of the bundle you are viewing.

This amp’s auto de-eq feature works amazing and is so easy to set up. It ends up sending a clean flat signal the sub. It has more than enough power for daily use to feel music with great sound quality. I have this powering a JL audio 12w1 in a sealed box and it’s sounds so clean!

By Drew on April 5, 2025 Checkmark Icon Verified purchase

3 found this helpful


The following review is for CK8, which is a part of the bundle you are viewing.
By Wei on November 25, 2025 Checkmark Icon Verified purchase
2020 Honda Civic Type R

2 found this helpful


The following review is for KEY500.1, which is a part of the bundle you are viewing.
By Anthony on October 16, 2024 Checkmark Icon Verified purchase

2 found this helpful


The following review is for KEY500.1, which is a part of the bundle you are viewing.
By Cyle on September 22, 2024 Checkmark Icon Verified purchase

2 found this helpful



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