Garage
Shop

See all parts that fit your 1979 CJ5

Kenwood eXcelon KAC-X621

Kenwood
Shop all Kenwood
Product videos
highlight-star-icon

2-Channel Amplifier • 1200 watts and CEA-2006 Compliant • 2-Ohm Stereo Stable • Built-in Infrasonic Filter • 3 (2-speed) fans • MOSFET power supply • Large secondary capacitors

Learn more about the kacx621

We apologize

This item has been discontinued


Loading...
Club 522F main

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

-42.29%

$74.99

List price $129.95

Reference 5030cx main

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

2
-60.01%

$99.95

List price $249.95

TS-A1081F main

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

3
-18.18%

$90.00

List price $110.00

DB402 main

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

4
-9.99%

$90.00

List price $99.99

REF507CF main

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

-12.00%

$219.95

List price $249.95

DMDX5 main

Diamond Audio DMDX5

240W Peak (80W RMS) 5" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

C1-400x main

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

8
ZXI-44 main

DS18 ZXI-44

300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

51KSC404 main

Kicker KSC4 (51KSC404)

300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

3
-16.67%

$99.99

List price $119.99

Limited time!
46CSC54 main

Kicker CSC5 (46CSC54)

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

5
-33.36%

$79.96

List price $119.99

Product Highlights


2-Channel Amplifier • 1200 watts and CEA-2006 Compliant • 2-Ohm Stereo Stable • Built-in Infrasonic Filter • 3 (2-speed) fans • MOSFET power supply • Large secondary capacitors

Description


Kenwood brand icon

Authorized dealer

  • 2 Ohm Stereo Stable / 4 Ohm Mono (Bridged) Stable
  • LCD Display of Voltage, Current, Temperature, Cooling Fan Speed, and A.M.S. Adjustment Values
  • 3 Cooling Fans (2-Speed)
  • A.M.S. (Amplifier Management System) -- with compatible eXcelon head unit
    • 5-Line Input for A.M.S. Control
    • A.M.S. In-Dash Receiver Interface
    • S-Video Input and Output for Amp to Amp controls
  • Quiet Turn-On ("Soft Turn-On")
  • Gold-Plated RCA Audio Inputs and Outputs
  • Gold-Plated, Large Screw-Type Speaker Connectors & Power Input Terminals
  • Balanced Isolation Circuit
  • Selectable Infrasonic Filter
  • Speaker Relay Protection
  • Stereo, Mono, or Tri-Mode operation
  • CEA-2006 Compliant (Industry Standard)
  • Variable High-Pass Crossover: 50 -200Hz
  • Variable Low-Pass Crossover: 50 - 200Hz
  • Bass Equalizer Features:
    • Bass EQ Frequency Control: 60Hz / 80Hz / 100Hz / 200Hz
    • Bass EQ Level Control: -15dB - +15dB
    • Bass Extension
    • Bass Q Factor Control: 1.0 - 2.0
  • Treble Equalizer Features:
    • Treble EQ Frequency Control: 10kHz / 12.5kHz / 15kHz / 17.5kHz
    • Treble EQ Level Control: -15dB - +15dB
  • Copper-Shielded EE Core Transformer
  • Large Secondary Capacitors
  • Large Toroidal Noise Suppression Filter
  • Microprocessor-Controlled Operation
  • MOSFET Switching Power Supply
  • Power Supply Primary Stage Buss Bars
  • Dimensions: 17-5/8" x 2-3/8" x 10-3/8"

Best selling similar products

ATOM-900.2 PRO small

Deaf Bonce Apocalypse ATOM-900.2 PRO

• 350 watts x 2 channel @ 4 ohm
• 510 watts x 2 channel @ 2 ohm
• 900 watts x 2 channel @ 1 ohm
• Bridged: 1020 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

$229.90

List price $229.90

MFA 2.420 small

Deaf Bonce MFA 2.420

• 420 watts x 2 channel @ 4 ohm
• 630 watts x 2 channel @ 2 ohm
• Bridged: 1260 watts x 1 channel @ 4 ohm
• Total RMS Power: 1260 watts
• Class D 2 ohm Stable 2-Channel Amplifier

$229.90

List price $229.90

ATOM-700.2 PRO small

Deaf Bonce Apocalypse ATOM-700.2 PRO

• 230 watts x 2 channel @ 4 ohm
• 480 watts x 2 channel @ 2 ohm
• 700 watts x 2 channel @ 1 ohm
• Bridged: 960 watts x 1 channel @ 4 ohm
• 14000 watts @ 2 ohm
• Total RMS Power: 700 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

(1)

$199.90

List price $199.90

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
179 watts x 2 channel
RMS Power @ 2 ohms
305 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
612 watts x 1 channel
Amplifier Specifications
Number of Channels
2-Channel
Total RMS Power Output
612 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1.0%
Speaker Level Inputs
No
Preamp Outputs
Yes - 1 Pair & S-Video AMS Output
Signal-to-Noise Ratio
83 dB
Bass Boost
-15 -- +15 dB
Fuse Rating
25A x 3 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

KAC-X621

Weight:

16.00lbs

Internal SKU:

kacx621

Internal Product ID:

2178

Product and How-to Videos


Customer Ratings & Reviews


Kenwood eXcelon KAC-X621 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


KFC-X682C small

Kenwood eXcelon KFC-X682C

6" x 8" 2-way Speakers (also mounts in most 5" x 7" locations)

(3)

$79.99

List price $149.99

KDC-2022 small

Kenwood KDC-2022

$119.99

List price $139.99

CR01B small

Scosche CR01B Wiring Harness

Install a new car stereo in select 1974-2003 vehicles from Dodge, Chrysler

(136)

$6.95

List price $9.99

FDNAUX2 small

SoundGate FDNAUX2 *Price Good Only While Supplies Last*

Zune Device AUX input for Select 1995-2005 Ford Vehicles

$44.99

List price $189.99

KD-AVX11 small

JVC KD-AVX11 Factory R/B

True Single DIN 2.7" TFT-LCD Monitor with DVD, DVD-R/-RW, DivX, VCD, CD/MP3 Receiver and Remote

(1)

$189.99

List price $449.99

Related Searches


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

1979 Jeep CJ5

2009 Volvo S80

2008 Audi A6 Quattro

2007 Toyota RAV4

2005 Suzuki Aerio

2003 Dodge Sprinter

1977 Dodge Aspen

2008 Chrysler PT Cruiser

1987 Toyota 4Runner

2024 Ford Mustang Mach-E

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.