Alpine KTA-450 compact car amplifier | Crutchfield

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Alpine’s KTA-450 car amplifier boosts your system’s power to 50 watts RMS x 4 channels, and it takes up a lot less room than a traditional amplifier. The KTA-450 is a perfect match for the Alpine iLX-W650 and iLX-407 receivers, but it's versatile enough to power any system with an aftermarket receiver.
Alpine KTA-450 power pack: www.crutchfield.com/i-rYTVc27...
Adding more power to your car audio system doesn't just make it play louder...it makes musical details stand out, no matter what you listen to. The Alpine KTA-450 takes your system to a robust 50 watts per channel, nearly triple the output of an aftermarket receiver, and many times more than underpowered factory radios.
The KTA-450 is small, making installation a bit simpler than other 4-channel amps. Alpine has designed it to fit perfectly on the back of their iLX-W650 and iLX-407 receivers, and even includes a special mounting bracket for that purpose. Once stacked, the KTA-450 and iLX-W650 or iLX-407 are still shallower than most double-DIN stereos, only now packing all that extra power.
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27 авг 2019

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Комментарии : 30

@Kevinb1821 3 года назад

45x4 watts rms is more than enough to make your speakers loud with no distortion. This takes a lot of complexity out. Putting a sub woofer and amp in your trunk is much easier to install than a 4 channel amp. There’s a lot more wiring and if you don’t run the power and av jacks down separate sides of the car. You’ll get a horrible buzzing sound. That’s why I love this power pack.

@nnnvv2121 3 года назад

I love this little amp has my infinity kappas screaming

@AKTheSavage 3 года назад

I have the W650 setup with apline type r 6.5 components in the front and alpine type r coaxes in the rear for 4 speakers total, and it seems like the factory radio puts out more than 16w per channel. I’m at the point where I’m not sure if adding this amplifier would be worth it or not. Speakers rating is 150rms 300max

@beeros6496 Год назад

Nice review. Also liked the "down with dpp" ...ya you know me! I was gonna comment that lol...yep we're old.

@crutchfield Год назад

🤣 Thanks!

@wutdadilyo Год назад

hahaha I love when he says "Are you down with PPP cause you know I am" hilarious!! I definitely have to try this setup out now that its more affordable because its 3 years old. I mainly need it because of apple car play and better sounding music out of stock speakers. Thanks for this great review!

@crutchfield Год назад

Glad we could help! Let us know when we can help again

@crimsontide1980 8 месяцев назад

I was actually gonna make a post asking if this radio still holds up well in 2023. I'm looking to upgrade from a factory radio in my 2008 Silverado. Not looking to break the bank, just looking for something with Bluetooth functionality, with a decent looking display, and enough power to make some 6.5"' speakers sound good. I can get the ILX 650 for $299 right now off Amazon, found the KTA 450 BNIB locally for $100, and I figure harness and dash kit I'd spend about $40 or so. So for around 500 or so I could get the radio, power pack, and all the installation components. I figure that's not too bad compared to some of the radios I looked at that are like $700+

@BabyMatrix27 3 года назад

Will this work good w/ alpine r-s69.2 speakers that are 100rms OR do I need an amp that produces 100w RMS at 4ohms to get best sound. Ty

@crutchfield 3 года назад

This will power them fine, but 100 watts RMS would be "ideal". :)

@SuperTdot74 4 года назад

I have a towncar with a factory amp. I already have the alpine ilx-w650. What do I need to do to make this work in my car? Remove factory amp?

@crutchfield 4 года назад

You should reach out to one of our advisors! bit.ly/2KP1zS3

@gregoryjohns9537 2 года назад

I've been thinking about adding an amp to the new HU I just purchased. A big concern for me is I have dogs and hair gets almost everywhere- but not behind the dash. I'm assuming hair could get into an amp and cause problems (?) if mounted under a seat or behind in the cargo area. This amp might be an option if mounted in the dash.

@crutchfield 2 года назад

We have not performed any specific tests on the effects of pet hair on amps. It seems likely that it would be similar to dust/dander in a typical vehicle which means it is not likely to cause issues for the amp. However, your idea of getting an amp that can be hidden behind dash or other paneling is a very good idea. It would help insulate the amp from all rogue particles!

@jeremyberger06 3 года назад

Does my 2013 Nissan Frontier need a power cable ran to the battery or can I run off of what is already supplied to the head unit?

@deeeezel 3 года назад

You shouldn’t need to run from the battery, most cars have aux power outputs at the fuse panel under the dash for factory add on features.

@colt5189 4 года назад

I don't get why the white diagram is upside-down compared to the numbers on the dip switches. Makes it where I don't know where to set the dip switches.

@crutchfield 4 года назад

Hi Colt, If you're having trouble with this Alpine PowerPack and you purchased the product from us here at Crutchfield, please reach out to technical support. You will find their contact information by logging into your online order account, or by locating the invoice we sent to your email. Have your order number handy, and someone will be happy to assist you.

@GorillaDesperado 4 года назад

How do you hook them together? I bought both, and soon, they will go back because I can't wire them together myself without instructions.

@crutchfield 4 года назад

Hi! Sorry to hear you're having trouble getting everything connected. If you purchased your gear from us, you do have access to free tech support! They'll be happy to help you out with your installation. Your order number and tech support contact info will be in your order confirmation or shipping confirmation email. If you did not purchase that gear from us, here is a link to the owners manual for that amp. pdf.crutchfieldonline.com/I-rYTVc000/ImageBank/v20190404165500/Manuals/500/500KTA450.PDF

@steelpenguin1 4 года назад

Crutchfield yeah those instructions should be clear on how to hook up the amp to the matching head unit that it was built for.

@n2productionsdotcom Год назад

Great video with good info; now if only you could get the guy talking in the background to understand that you have to be quiet while you're shooting a video if you aren't the one on camera.

@velozmetal 2 месяца назад

What would be the best option for 6x9” speakers? I got the ilx-650 and I want to get the KTA-450… please give me your recommendations alpine speakers brand…

@crutchfield 2 месяца назад

We need to know the exact year, make, model, and specific trim of your vehicle to confirm any speakers that are a physical fit. The Alpine S2-S69's below are an excellent call, but we cannot provide any fitment details without knowing your exact vehicle. Use our online Vehicle Guide to enter your details and see if the Alpine are a good fit! www.crutchfield.com/I-rYALc166/p_500S2S69/Alpine-S2-S69.html

@randyhunt1581 4 года назад

It gives you more power just not enough for the cost. There are many amps now days for much cheaper that put out a lot more clean power.

@j55f100 4 года назад

50 watts rms is not bad at all and to be able to hide it behind a dash is pretty nice aswell. Not to mention those cheaper amps are quite bigger require larger pwr supply wires and are more likely to be stolen.

@rkjoat 4 года назад

Just adding the receiver alone compared to the factory unit made a big difference! You don't need the extra power unless you have a extra $200 burning a hole in your pocket. Add higher quality speakers and or a small sub with this unit. Adding additional power would certainly be a plus however not mandatory!