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Alpine KTP-445U with NVX 8 Gauge Amp Kit

180W RMS Compact 4-Channel Class-D Car Amplifier

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• RMS Power: 45W x 4-Chan. @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant
• Includes Amplifier Wiring Kit

Learn more about the ktp445u_xkit82

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Description


Alpine brand icon

Authorized dealer

Alpine KTP-445U Power Pack

180W RMS Power Pack Series Compact Class D 4-Channel Car Amplifier
Quantity: 1

General Features:

  • Alpine Universal Power Pack 4-Channel Class D for All In-Dash Receivers
  • The fast and easy solution to higher power aftermarket sound
  • RMS Power Rating:
    • 4 ohm: 45 watts x 4 chan.
    • 2 ohm: 45 watts x 4 chan.
    • 4 ohm: 90 watts x 2 chan. (Bridged)
  • Total RMS power output: 180 watts
  • CEA-2006 compliant amplifier
  • Increases the output of any headunit without having to install a full size amplifier and amp install kit
  • Independent Front/Rear gain switch is adjustable from high to low
  • Runs off receiver's power circuit
  • High-Pass Filter: selectable 60/80/120 Hz @ 12 dB/octave
  • Fast and simple installation
  • 4 channel operation for four speakers
  • Minimum impedance of 2 ohm
  • Is not compatible with factory amplifiers
  • Frequency response: 20-20,000 Hz
  • Fuse Rating: 15A x 1
  • Dimensions: 7-13/16D x 2-9/16"W x 1-1/2"H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

PDF IconAlpine KTP445U owner’s manual

NVX XKIT84

Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts
Quantity: 1

Product Details:

  • 8 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
  • Designed for car audio systems up to 800 watts RMS
  • Made from 100% Oxygen-Free Copper (OFC)
  • Tinned conductors for corrosion resistance
  • Pre-installed black nylon mesh covering protects the power wire from damage
  • Solid brass and satin chromed ANL/Mini-ANL fuse holder offers ideal protection for high-powered systems
  • Pre-terminated seamless power and ground ring terminals provide reliable performance
  • Full spec power and speaker wire meet or exceed American Wire Gauge standards
  • CEA-2015 and BC5W2 compliant
  • V-Series RCA Interconnect Cable
  • Shielded noise-rejecting coaxial construction provides protection against interference
  • Split-tip silver-plated ends offer high-quality performance
  • Molded ends equipped with colored channel identifiers for easy recognition
  • Twisted-pair construction featuring two conductors per channel
  • Includes an assortment of wire termination hardware and cable ties
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Kit includes:

  1. 17 ft. Frosted Blue 8 gauge power wire with seamless crimp ring terminal
  2. 3 ft. Frosted Black 8 gauge ground wire with seamless crimp ring terminal
  3. 17 ft. Clear 18 gauge remote lead wire
  4. 20 ft. Frosted Black/Blue 16 gauge speaker wire
  5. One 16.4 ft. 4-channel dual twisted construction RCA interconnect Cable (NVX XIV45)
  6. One NVX XMANL04 ANL/Mini-ANL Fuse Holder with 60 amp Mini-ANL fuse
  7. One Black rubber firewall grommet
  8. Two 8 Gauge Nickel Plated spade terminals
  9. Four 18 Gauge Spade terminal
  10. Two 18 Gauge Red butt connectors
  11. Four 16 Gauge quick disconnect
  12. Five 16 Gauge Nickel Plated spade terminals
  13. Two Heat Shrink tubes with the NVX logo
  14. Ten 6" Black zip ties

Product history:

Alpine KTP-445U, XKIT82 thumbnail
(newest, current model)
Alpine KTP-445 thumbnail
(previous model, replaced by Alpine KTP-445U with NVX 8 Gauge Amp Kit)

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
45 watts x 4 channel
RMS Power @ 2 ohms
45 watts x 4 channel
Bridged RMS Power
90 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
180 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
High-Pass (HP)
None
High-Pass Crossover Frequency
selectable 60/80/120 Hz @ 12 dB/octave
Signal-to-Noise Ratio
81 dB
Remote bass/level controller
No
Fuse Rating
15A x 1 
Total Fuse Rating
15
CEA-2031 Compliant
Yes
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

KTP-445U, XKIT82

Weight:

7.89lbs

Internal SKU:

ktp445u_xkit82

Internal Product ID:

196686

Customer Ratings & Reviews


Alpine KTP-445U with NVX 8 Gauge Amp Kit thumbnail image

5 star
87%
4 star
11%
3 star
2%
2 star
0%
1 star
0%



Durability
4.9
Value
4.9
Features
4.8
Design
5
Usability
4.9

Customer Photos & Videos


Customer Reviews

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Excellent Product!

The following review is for XKIT84, which is a part of the bundle you are viewing.

I did a lot of researching around when I was looking for a 4 channel amp wiring kit, and I started noticing NVX products popping up quite frequently. I couldn't be more happy with this kit and the quality of the NVX products. The "Flexibility" in the wiring is really something you have to feel and NVX does such a good job with packaging, presentation, and making you feel like this is a high quality product. The design of this product is like nothing I have seen in amplifier wiring and I have really bought into this brand after purchasing a few of their products.

By Corey on December 26, 2013

115 found this helpful


good product

The following review is for XKIT84, which is a part of the bundle you are viewing.

worked well in installing the amp. Give you ever think to install a 4 channel amp. little pricey but does a good job.

By Corey on January 17, 2015

105 found this helpful


Great Value

The following review is for XKIT84, which is a part of the bundle you are viewing.

Buy this cable for you amp to get the best sound out of your radio and speakers you will be happy the sound is clear and loud

By Ruben on May 11, 2014

103 found this helpful


Very good kit and great product install options

The following review is for XKIT84, which is a part of the bundle you are viewing.

So this kit gave me everything I needed minus a ground wire. I mounted this in the midcabin section of my boat so I needed at least a 20ft piece of ground. Aside from that the kit was perfect for everything I needed. Really liked the additional speaker wire because I ran out by about 15 feet prior to completion. Would definitely recommend the kit.

By Jimmy on January 30, 2014

98 found this helpful


great product

The following review is for XKIT84, which is a part of the bundle you are viewing.

Its a good hook up kit runs my amp perfect not had any issues with any of the wireing great value for the price

By Crazy Alien Customs on April 4, 2015

86 found this helpful


Great but got shorted on wire....

The following review is for XKIT84, which is a part of the bundle you are viewing.

I would recommend this... It comes in a great display and has clean sound.... Only problem I had was it says that it comes with 65ft of speaker cable and I only recieved about 30..... I had to go out and buy an extra 20 or so feet of a different brand to have enough to wire my 4 doors... Other than that, it's fine....

By Terry on May 1, 2015 Checkmark Icon Verified purchase

85 found this helpful


It does the job

The following review is for XKIT84, which is a part of the bundle you are viewing.

Bought this as a bundle deal with my amp. Great wire. Had it installed for a $100 by a professional. And yes it was done professionally. Only thing it doesn't come with us a battery clip. A minor expense $10 at Max at Walmart.

By gunner on June 14, 2015 Checkmark Icon Verified purchase

74 found this helpful


Great Product for entry level setup!

The following review is for KTP-445U, which is a part of the bundle you are viewing.

After building several full all out setups on my previous vehicles, I wanted to try a more simple build for my current car since I don't want to spend too much time running new wire, mounting amps, etc. and I do not have the luxury of putting a sub since I need the cargo space for work.

I was hesitant getting this amp since I thought it would only give a little more than an aftermarket headunit and heat up, but I really liked the size of it (tucked behind the glovebox) and how simple it is to wire it up. I installed it today with a pioneer headunit, JL TR components in front, JL TR coax in rear, all doors deadened, gave it a good tune by ear and to my surprise it sounds great! Well 50x better than my base unit and stock speakers.

The sound is nice and clear, has a good thump, no noise or muddy sound and I can hear all the sounds I was looking for (just over 1/2 gain) that my stock stuff could not even come close to producing. I definitely recommend this amp to anyone who is looking to do a simple upgrade on their system without the hassle of running new wire and looking for a place to mount or hide a traditional sized amp!

By Michael on January 6, 2014

72 found this helpful


powerpack

The following review is for KTP-445U, which is a part of the bundle you are viewing.

decent enough for small speakers for someone just starting out and doesnt wish to upgrade battery or alternator or run amp kits, however you get what you pay for and because its not an actual 4 chan or 6 chan amp dont expect the same sound quality or power coming from this little fella. value wise its pretty good and easy to install. might cause engine whine if you have to use a in line converter or data module for your specific vehicle.

By piyush on May 9, 2014

73 found this helpful


Nice little amp

The following review is for KTP-445U, which is a part of the bundle you are viewing.

This amp is perfect for small places, or to hide easily where not seen. Produces big sound in a small package and a great value. I love it.

By Chad on August 11, 2013

69 found this helpful



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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.