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October 24, 2012
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October 24, 2012
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5

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SINTZ's Reviews

Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black

Give your car stereo system a power boost with this Alpine Power Pack KTP-445U 180W Class D bridgeable 4-channel amplifier that features a 12dB/Oct high-pass filter for powerful sound.

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This reviewer is a member of the Best Buy Tech Insider Network Program. This invitation-only program provides BestBuy.com reviewers with manufacturer-supplied products for the purpose of writing honest, unbiased and usage-based reviews. Outside of receiving products to test and review, Best Buy Tech Insider Network Reviewers are not compensated in any other way.
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Customer Rating

Excellent little power house for door speakers

on October 24, 2012

Posted by: SINTZ

from Worcester, MA

This is a great little power amplifier for those of you with the need for more power than a typical head unit, but at much less cost and space of traditional amplifiers.

The amplifier has both RCA and line-level inputs (cut the RCAs to use line-level) as well as a dip-switch controlled crossover. Very clever.

You can use factory speaker wiring if needed, but do not recommend using this amp on factory speakers. They will not handle the power, will distort, or even become damaged.

Rated at 45 watts RMS x4 channels, this little power brick can be bridged to 90 watts RMS x2 channels. I'm running 90 watts RMS x2 (bridged) into a pair of component 6x9 speakers in a Jeep Cherokee and it works great! Way better than the 25 watts RMS that the Alpine deck I have provides.

Although very powerful for the size, DO NOT use this amplifier to drive subwoofers.

Digital amplification has come a LONG way in the past 5-10 years and the musical nuances are fully preserved. Make sure that you have a power source that can supply 15A. I tapped into an unused cigarette lighter right in the dash and was done with installation in under 1 hour.

What's great about it: Extremely small, easy to install, great sound, powerful

What's not so great: A tad pricey, takes some time to connect and find power source.

I would recommend this to a friend!

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