See all parts that fit your 2003 Ranger
90W RMS Monoblock KTP Series Class D Amplifier
Product highlights
• RMS Power: 30W x 1 @ 4 ohm, 60W x 1 @ 2 ohm, 90W x 1 @ 1 ohm
• Total Peak Power: 190W
• Selectable Low Pass Filter
• Dimensions: 5-3/8" W x 2-5/8" D x 1-9/16" H
Install a new Double-DIN car stereo in select 1995-2011 vehicles from Ford, Mercury, Mazda
$17.95
List price $22.99
Install New Speakers in select 1993-2017 vehicles from Ford, Mazda, Mercury
$9.99
List price $14.99
American International FM-K552
Single DIN or Double DIN Stereo Dash Kit for select 1995-2011 vehicles from Ford, Lincoln, Mazda
$8.99
List price $19.99
Add 5-1/4" or 6-1/2" Speakers to Factory 6" x 8" Mounting Locations for select 1950-2025 vehicles from Ford, Mercury, Mazda
$7.99
List price $14.99
10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)
$798.00
List price $999.99
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth and Built-in Alexa
$194.99
List price $300.00
2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates
$477.88
List price $543.88
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers
$49.99
List price $59.99
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Manufacturer:
Model Number:
KTP-190U
Weight:
3.10lbs
Internal SKU:
ktp190u
Internal Product ID:
77819
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Alpine, you did well!
Great amp if you need extra power to power an aftermarket sub especially wired down to 1 ohm. Replaced my factory sub with a Kicker dual 2 ohm free air subwoofer and used the Alpine to feed it power. 90w was sufficient enough to feed the sub with the low level signal coming from the factory bose amplifier. Didn't need the rux nob because I can control the bass & subwoofer level output off the factory headunit. Very compact, very efficient, very easy to install....4 wires and you're done. I only wish alpine had a more powerful model maybe 150/200w rms but I'm very content with it. Installed this in my 2006 Acura RL with no subwoofer burbs, and no active noise cancellation or phase distortion.
3 found this helpful
Works good
The amp works good, the only con is that I didn't notice it only has high level inputs, no rca input, but I made it work. I used it to power my factory Bose subwoofer in the console of a 2004 suburban which is a 2 ohm dvc, so the amp is running a 1 ohm load and it works fine.
Verified purchase
1 found this helpful
Alpine, you did well 2.0!
Great amp if you need extra power to power an aftermarket sub especially wired down to 1 ohm. Replaced my factory sub with a Kicker dual 2 ohm free air subwoofer and used the Alpine to feed it power. 90w was sufficient enough to feed the sub with the HIGH level signal coming from the factory bose amplifier. Didn't need the rux nob because I can control the bass & subwoofer level output off the factory headunit. Very compact, very efficient, very easy to install....4 wires and you're done. I only wish alpine had a more powerful model maybe 150/200w rms but I'm very content with it. Installed this in my 2006 Acura RL with no subwoofer burbs, and no active noise cancellation or phase distortion.
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Belva Nine Function Digital Multimeter
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
