Installing The Alpine KTP-445 Power Pack | Crutchfield Video




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patrick hogan: is the Alpine KTP-445u also plug and play like the Alpine KTP-445a with alpine cd receivers or does it have to be wired in like a regular amp?

patrick hogan: can I still run my mrp m500 for my subs? I have the cde 153 bt alpine car stereo that has 6 channel preouts.

Dave Caruso: can you plug two of these amp back to back for more power?

Kahron W.: Does it work with the cde 143bt?

Cal McNamara: I was told by a rep at crutchfield that this will work with my Pioneer 4400HD (14 watt RMS), but I just don't want to be wrong, because it looks like everyone uses this on Alpine head units exclusively. Can I use this power pack? 

Crutchfield: Honda, The 16 watt RMS power rating is what the amplifier can put out continuously. The 45 watt rating is peak power, the amp is only able to put out that kind of power for short periods of time. They are two different ratings for the same amplifier. RMS is the most reliable number to use when matching it up to a new pair of speakers. Speakers are also rated in RMS and peak power. Make sure to use RMS when matching a radio/amp to speakers Hope that helps CrutchfieldTV 800 555 9408

danibwr: Does this work with my Alpine CDA-9851R? Thank you.

KrazyRMjumps: hey I have a dodge ram and it came equipped with a 430n alpine head unit and a 10 channel alpline amp all from factory. would I be able to ad the powerpack to it?

Crutchfield: @dcarriger Good question. There are no provisions for mounting the KTP-445 power pack. It plugs directly into the harness connection on a compatible Alpine stereo and the Alpine’s stereo harness connects to the output of the power pack which wires to the vehicle harness. No mounting required. Feel free to call for additional assistance: 800.315.0030--Crutchfield

Crutchfield: @Bobo2600 Yes indeed the KTP-445 power pack is compatible with the Alpine CDA-105. You can find both on Crutchfield, or just call us. Thanks for the question, 800 555 9408

Crutchfield: @EastCoastGuitarist The possibility that you'll blow those 30 w RMS speakers is certainly there. After all, you'll have 50% more power than they can handle. However, if they are halfway decent speakers, I'd say give it a shot and if they blow, go ahead and replace them. Doesn't sound like they are great speakers anyway. CrutchfieldTV 800 315 0030

Crutchfield: Gotcha, You can get Alpine removal tools one of two ways. You could order them directly from Pacific Coast Parts (Alpine Parts Dist) 800-421-5080. Or... You could try local Alpine car stereo shops, they probably have a bunch in a box back in their install bays. It takes about 3 seconds to remove the radio, maybe you can find somebody that will give you a set of tools, or just remove your radio for you. Worth a try. CrutchfieldTV, 800 555 9408

greenlight2600: Yeah I paid 150 w/ tax and all I noticed was a few volume louder no change in sound quality, but I took it back as I saw it wasn't worth it,

Crutchfield: @Zone6atlantian Please accept my apologies for the delayed response. No. The Alpine power pack is only recommended for use with compatible Alpine car stereos. I’m sorry I don’t have better news for you there. Feel free to call for additional assistance: 800.315.0030--Crutchfield

Crutchfield: No problem, happy to help

Crutchfield: Hiss can be a difficult problem to diagnose. If the hiss was not present originally, I would be sure your connections and ground are attached firmly. If you are unable to get the results you’re looking for, you may want to speak with the retailer that sold you the gear for additional troubleshooting. If you bought from Crutchfield, the toll-free tech support number is printed on the back of your invoice. HTH!--Crutchfield

Crutchfield: Yes, 2005 and newer models. The current Alpine-specific model (KTP-445A) is compatible with your CDE-121. Feel free to call for additional assistance: 800.315.0030--Crutchfield

Bobo2600: hey guys i was wondering if this would work for the alpine cda-105? thanks

Crutchfield: @illSPOKEN207 The KTP-445 connects to any 2005 and newer Alpine headunit that has a black power harness. The CDM-9821 was a 2004 Alpine. I'm not sure what color harness it had. But it's looking like it's probably not compatible. CrutchfieldTV 800 315 0030

thepatester: Installation was super easy. Took about 15 minutes start to finish (it was my first time attempting hu removal). Everything sounds crisper and more detailed. I highly recommend this especially if you have after market speakers. Love the Alpine brand, and Crutchfield's customer service is awesome!

Fabian Fant: This might be a stupid question but does this amp only work with Alpine Head units?

Crutchfield: For compatible Alpine stereos, the 445A will plug into the harness connector on the back of the chassis. You will need to connect the output leads of the power pack to the vehicle harness for your ride. Feel free to call for additional assistance: 800.315.0030--Crutchfield

zZZzzzSnooze2nd .: @crutchfieldtv Same thing here, Same sound. There is noway to hook this up the wrong way. I got mine for C$150 Tax in & I didn't think it was worth it, so I taken it back for refund.

gradyboi2: I have a question about eh ktp-445u. I have the ktp-445 and noticed on this one it has gain inputs for the front and rear is there a big sound difference between the two? Did they make any improvements like adding a full range phase instead of low and high options? Please let me know as soon as you can thanks.

Jeff I: 45 watts RMS to each speaker, correct?

Crutchfield: Hi Brandonc308, Great news, the KTP-445 is definitely compatible with the Alpine CDE-102. We have the removal keys for most factory radios, and you'd get them for free with the CDE-102 from Crutchfield. If you need radio removal keys for an aftermarket radio in your dash, try googling "Crutchfield Partsearch" They should have them for you. Call us to make sure you get all the installation gear you'll need for your specific vehicle. CrutchfieldTV 800 555 9408

Crutchfield: @EastCoastGuitarist Well, you'll have 15 watts more than they are rated to handle, which is 50% of the 30 watt RMS rating. I guess you could look at it either way. Kickers are decent speakers, I've owned several pairs over the years. I've also blown several pairs because I fed them too much power, specifically too much bass to a set of 3-1/2" Kickers. So, you'll need bass blockers or a head unit that has a high pass front speaker output. Call if you need help, 800 315 0030

Crutchfield: @omegaSQ That's definitely not what i would have expected, you should certainly notice an improvement with the Alpine Power Pack. If you bought it from Crutchfield, you can call Tech Support at the number on your Crutchfield invoice. I’m certain they can help you make sure it's connected properly. It's one of the reasons to buy from Crutchfield. If you bought it elsewhere, you can purchase our Tech Support. Call us for more details I hope that helps, CrutchfieldTV 800 315 0030

youngsimba09: I've been meaning to ask.. what's the difference between the KTP-445U and KTP-445A?

Jeff I: So you do not add the the power that you already have from the deck? This replaces that power completely? So if thats the case each speaker will be getting 45 watts RMS right, since its 45X4. So that would be a total of 180 watts RMS right?

onebad70ss: Does this unit power down when you shut your vehicle off? I have installed it with an Alpine CDA-105 unit and I seem to have a battery that isn't as strong as it should be in the mornings.

Zone6atlantian: does the power pack work with non alpine head units

Bobo2600: @crutchfieldtv i just got mines hooked up and it sounds great and all, but when i speed up and shift gears my music cuts off, and it makes this clicking noise when i switch from hi pass to lo pass when my car is off and the clicking noise is amplified threw the speakers when my car is off, any help?

Crutchfield: No. You could use the universal model (KTP-445U) to power additional speakers in your system but you could not use multiple power packs to the same speakers. Feel free to call for additional assistance: 800.315.0030--Crutchfield

Mark HVACsales: Double your power...gain 3db ...that's it.....

zZZzzzSnooze2nd .: @Bobo2600 Well i have the Alpine CDA-105 & it sounds the same with the KTP-445 installed.

bbearhug: I have watched this video a few times and I am certain that I do not have enough connectors in the box based on what I see here. I cannot figure where he gets that female connector. THen he says to plug the cable from the amp into the receiver which will not fit into my cd player.

4ERHG: I Have A CDE-9848RB Is it Compatible With KTP-445? Thank You...

Crutchfield: @shaggythemaster Yes, the harness for the KTP-445 has a turn on lead. Also, splicing into the wiring for this product at all will void the warranty. It is only designed for use with compatible Alpine head units. Hope that helps, call us if you have more questions. Crutchfield 800 315 0030

Joseph Nishimiya: I have the 445U installed on my stock head unit. There is a hissing noise present even when the radio is off. I know if I turn the gain down some the hiss slowly goes away. Is there any way to keep the gain levels at at least half and get rid of the hiss? Thanks.

youngsimba09: thanks! so the 445A will be better because no splicing is involved right? if I have an alpine headunit that is

StarsMarsRadio: It's easy to install anything in a jeep

Crutchfield: Hi danibrw, Yes indeed the KTP-445 is compatible with the Alpine CDA-9851R. CrutchfieldTV 800 955 9408

illSPOKEN207: will this amp be compatible with a Alpine CDM 9821 head unit?

Crutchfield: @KrazyRMjumps While your factory equipment may bear the Alpine name, it does not offer the standard Alpine aftermarket wiring harness and, therefore, will not connect properly to the KTP-445 powerpack wiring. I’m sorry I don’t have better news for you there. Feel free to call for additional assistance: 800.315.0030--Crutchfield

MrDrMONTENEGRO: HI! Will this unit change sound quality ? I have alpine 9887 and I am afraid of defecting beautiful sound ??? What is your experience ?

Crutchfield: @imfercho That's correct. CrutchfieldTV

BlackHondaCivicHatch: Yes I understand that part. My question is, what is the total RMS power output after adding the KTP-445.

Crutchfield: The power pack simply offers more wattage for powering your speakers. It offers no equlization and will not affect the audio adjusments of the connected stereo. Feel free to call for additional assistance: 800.315.0030--Crutchfield

Crutchfield: Tingtang123, Yes, this is designed to power your front and rear speakers. In systems that have separate tweeters, they are usually run off the front speakers, so the amp should be able to power them both without a problem. I hope that helps, CrutchfieldTV 800 555 9408
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