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Kenwood KAC-7201

150W x 2 car amplifier (New Stock)

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Item #: 113KAC7201
 

Review Summary

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Our take on the Kenwood KAC-7201

by Erin Blanton
Kenwood

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

When you're in the mood to really crank up the volume, you've got to have plenty of wattage behind your speakers. Kenwood's got you covered with their KAC series amplifiers!

Along with a boatload of power, the KAC-7201 amp gives you the flexibility to handle just about any job, with high- and low-pass crossovers to route the appropriate frequencies to your speakers. If you're packing a subwoofer in the trunk, you'll want to take advantage of the KAC-7201's bridged mode for a whopping 460 watts of MOSFET-fueled power.

Switch on the selectable bass boost and let 'er rip — the built-in cooling fan helps keep the temperature down, even when the volume's up.

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Highlights:

  • 150 watts RMS x 2 at 4 ohms
  • 230 watts x 2 at 2 ohms
  • 460 watts RMS x 1 bridged output at 4 ohms
  • stereo or bridged mono output
  • 4-ohm stable in bridged mode
  • Tri-way capable (Tri-Way crossover required)
  • MOSFET power supply
  • requires 4-gauge power and ground leads — wiring and hardware not included with amplifier
  • variable low-pass crossover (50-200 Hz at 18 dB per octave)
  • selectable high-pass crossover (150 Hz at 12 dB per octave)
  • selectable bass boost (12 dB at 90 Hz)
  • preamp- and speaker-level inputs
  • preamp outputs
  • cooling fan
  • 13-5/8"W x 2-5/16"H x 11-1/4"D
  • 1-year warranty

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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150 x 2
Peak Power Output (Watts x Channels)
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800 x 1
Power at 2 Ohms (Watts x Channels)
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230 x 2
Bridged Power (Watts x Channels)
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460 x 1
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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5-50k Hz
THD at Rated RMS Power
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0.08%
Signal to Noise Ratio
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100 dB
Input Voltage
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14.4v
Features
Amplifier Class
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AB
Low-Pass Crossover Frequency
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50-200 Hz
Low-Pass Slope (dB/octave)
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18 dB
High-Pass Crossover Frequency
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150 Hz
High-Pass Slope (dB/octave)
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12 dB
Bass Boost
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12 dB
Bass Boost Frequency
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90 Hz
Fan Cooled
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Yes
Fuse Rating
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30 x 2
Speaker Level Inputs
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Harness
Preamp Outputs
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1 pair
Width (inches)
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13-5/8
Height (inches)
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2-5/16
Depth (inches)
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11-1/4
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • 2-Channel amplifier with two 30-amp blade fuses inserted into the chassis
  • One 7" speaker-level input harness
  • 1 Rubber terminal cover
  • 4 Self-tapping screws
  • Instruction Manual (English/French/Spanish)
  • Warranty Card

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Inputs and Outputs Notes

Features

Ground Isolation Circuit: This circuit cancels noise from the input of the negative side of the RCA cable, preventing vehicle electrical noise from interfering with the music.

Quiet Turn-on: This feature allows the amplifier to power up over a period of several milliseconds instead of instantaneously, protecting your speakers from thumps and other sounds that could be damaging.

Internal Crossover: The internal crossover can be set for full-range, low-pass or high-pass operation. The low-pass frequency is adjustable from 50-200 Hz with an 18 dB/octave slope. The high-pass frequency is fixed at 150 Hz with a 12 dB/octave slope.

Bass Boost: The bass boost gives you a 12 dB gain in bass output, centered at 90Hz.

Preamp Outputs: The preamp output jacks provide a convenient source for daisy-chaining an additional amplifier without running an extra set of RCA cables from the front of the vehicle to the amplifier location.

Protection Circuitry: To keep the amplifier safely operating, the protection circuitry is triggered in the following situations:

  • When a speaker wire may be short-circuited
  • When a speaker output contacts ground
  • When the unit malfunctions and a DC signal is sent to the speaker output
  • When the internal temperature is too high for the unit to operate
  • When the head unit, or this unit, is not properly grounded

Inputs and Outputs Notes

Right Side of Amplifier:

  • Battery and Ground Connections: gold-plated screw terminals; each terminal is 0.561" wide
  • Remote Turn-on Connection: gold-plated screw terminal that is 0.345" wide
  • Speakers Outputs: gold-plated screw terminals; each terminal is 0.345" wide
 
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Kenwood KAC-7201 Reviews

Average Customer Review:

8 people say:

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5 out of 5

SOLID reliable amp

Written By Crispy, Stoon, SK on Monday, April 04, 2011
 
WICKED, WICKED, WICKED, amp!!!!! VERY reliable!!! Had this for about 10 years! I
can't say enough. It pushed 2 12 inch MTX. Melted the plastic on the power
connection, got really hot, all because i was a dumbass and wired it parallel
instead of series. Took the abuse and beating like a champ!! Hooked it up
correctly, WICKED!!! Shook the whole car. Sub's were cheap and old, blew one,
bought a different one, looks stupid, but BOOM BOOM BOOM!!!! Replaced 12's with
one alpine 10 inch 500w type r DVC. After breaking it in, BOOM BOOM BOOM!!!
Moves that 10 nicely. Gonna replace the amp with a 1500w in 1 ohm MB quarts
ONYX, add another 10, and use this amp what it was intended for, some nice comp
door speakers hahahahaha!!!!! Even with the melted power connector, still going
strong. Saved me money in the long run, now I'm just worried it will blow my
door speakers!!!
2 out of 2 people found this helpful
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5 out of 5

GREAT amp

Written By James O, Atlanta GA on Wednesday, March 09, 2011
 
I have had the amp 7 years, never an isssue . it was pushing 2 - 4 inch Sony
Explods, 2 - 6 inch and 2 - 10inch Kenwood subs.
1 out of 1 people found this helpful
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5 out of 5

Kenwood KAC-7201

Written By inphluence, Mission Viejo, CA on Wednesday, May 19, 2010
 
I purchased this amp and have had it for over 7 years now, and it is still pumping great to this day!
3 out of 3 people found this helpful
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5 out of 5

Dominate!

Written By Brad, Wisconsin on Thursday, May 19, 2005
 
All I have to say is wow! Ive tried out a couple of amps already and this one can handle it all.... I have 4 12's hooked up and it handles it like nothing. No problems at all, best money spent yet. The best thing about this amp is the knowledge to kick out when over loaded, such as when the volume gets cranked by one of your friends or something. Highly recomended, o ya and the fan on there is the best thing to have on there.
6 out of 8 people found this helpful
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5 out of 5

Kenwood KAC-7201

Written By Bad2kgmc, wichita,KS on Wednesday, May 18, 2005
 
I think this amp is really good for the power and money. Right now I have it pushing two Memphis 12's and it does a really great job. If I were someone out there looking for a good amount of power and not to bad on price here is your answer.
5 out of 8 people found this helpful
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5 out of 5

Push

Written By CourtJest187, FRISCO, TX on Wednesday, April 27, 2005
 
I am pushing 2 Alpine SWE-1242 and it bumps them pretty good...I would recommend this product to anyone who is looking to get a great bump for a great price...I would recommend any kenwood amp to anyone they are tough and they bump!!!
7 out of 9 people found this helpful
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5 out of 5

Kenwood KAC-7201

Written By Philip, Chicago, IL on Saturday, April 23, 2005
Crutchfield Customer Review (What's this?)
 
I bought this amp about two years ago along with two 12in Kenwood dP+. It's a great amp. I've never had any problems. It's well worth the $. My next amp will be a Kenwood.
8 out of 10 people found this helpful
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5 out of 5

Good amp

Written By Andy, Uxbridge, Mass on Tuesday, February 08, 2005
 
This is a good amp. I have it powering 2 12 inch kicker compVr's and it sounds great. Even tho the amp puts out 460 rmsand the two subs max is 800 rms it still sounds great. The sound quality is excellent, and it looks really kool. Mine always gets anywhere from warm to hot during use, but it has never shut off on me, so don't b scared. I've owned this amp for about a year and havent had a single problem w/ it. This is a good amp, and a lot better now that it's $150 instead of $200. Go for it.
351 out of 489 people found this helpful
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For a more in-depth review and enhanced detailed information on the Kenwood KAC-7201, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_113KAC7201/Kenwood-KAC-7201.html ).