See all parts that fit your 2003 Ram 2500
Hifonics 35th Anniversary 6500 Watt Max (3200 watt RMS) CTA-2006B Rated 2-Channel (Dual Monoblock) Ultra Class-D Subwoofer Car Amplifier
• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H
Connect Factory Antenna to New Aftermarket Radio in select 2002-2020 vehicles from Ford, Chevrolet, GMC
$3.99
List price $14.99
Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep
$9.99
List price $15.99
5.25” or 6.5” Speaker Mounting Adapters for select 1977-2024 vehicles from Dodge, Chevrolet, Chrysler
$14.99
List price $22.99
Install a new Double-DIN car stereo in select 2002-2005 Ram 2500 / 3500 / 1500 trucks (Matte Black)
$49.99
List price $92.99
Install New Speakers in select 1984-2007 vehicles from Dodge, Chrysler, Jeep
$9.99
List price $15.99
Install a new Single-DIN car stereo in select 1998-2010 vehicles from Dodge, Chrysler, Jeep
$11.99
List price $21.99
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H
The efficient and audiophile grade electrical components are secured to double-sided military grade glass resin epoxy circuit boards. This along with the stronger copper traces creates efficient circuitry for high voltage to pass through with no noticeable distortion.
The Hercules 35 uses a Pulse Width Modulated MOSFET power supply design. The twin turbo coil PS maximizes the voltage from you car to the output MOSFET devices by keeping the voltage contanst through the Ultra-Fi output devices.
The Ultra-Fi MOSFET outputs produce high power with minimal distortion. They are typically used for music production where high power, efficient cooling and minimal distortion are key. The Hercules 35 Series is designed with everything needed to play your music the way it should be heard.
Check out the Colossus Owner's Manual
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(newest, current model)
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(previous model, replaced by Hifonics Colossus 6.5K Mount Olympus Series Dual Mono Car Amplifier)
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(previous model, replaced by Hifonics Colossus 6.5K (Factory Refurbished))
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(previous model, replaced by Hifonics Colossus)
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1000W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2002-2024 vehicles from Ram, Dodge
$849.99
List price $949.99
MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified)
select 2002-2018 vehicles from Ram, Dodge Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure
$899.95
JL Audio Stealthbox® SB-D-QDRAMD/10TW1
Custom fit subwoofer enclosure for select 2002-2024 vehicles from Ram, Dodge
$1,699.99
MTX Audio Thunderform DRQC20C-TN (Charcoal, Loaded)
Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2002-2018 vehicles from Ram, Dodge
$719.95
JL Audio Stealthbox® SB-D-QDRAM/10W3v3 (Open Box, Like New)
Custom fit subwoofer enclosure for select 2002-2024 vehicles from Ram, Dodge
$1,249.99
Kicker KRDL7T10 Subwoofer Enclosure + NVX NDA15001 Amp w/ Free Amp Install Kit
1000W RMS Loaded Dual 10 inch Sealed Truck Enclosure, 1500W RMS Class D Monoblock Amplifier with Bass Remote, 4 Gauge OFC Wiring Kit and Koozies
$1,050.02
List price $1398.94
2002-2013 Dodge Ram Quad/Crew Cab Powered Dual 10" MTX Subs+Box+(4) MTX Speakers
Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure Package for 2002-2013 Dodge Ram Quad/Crew Cab
$989.95
List price $1112.85
Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters
600W Peak (200W RMS) 6.5" DB+ Series 2-way Component Speakers with 6" x 9" Speaker Adapters
$211.34
List price $232.98
Dual 10" MTX Powered Subwoofers+Enclosure Box For 02-16 Dodge Ram Quad/Crew Cab
Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure Package for select 2002-2018 vehicles from Ram, Dodge
$764.96
List price $802.95
Dual 10" MTX Subwoofers+Box+(4) MTX Speakers For 2002-16 Dodge Ram Quad/Crew Cab
Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure Package for 2002-16 Dodge Ram Quad/Crew Cab
$899.95
List price $947.85
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Manufacturer:
Model Number:
Colossus 6.5K-3
Weight:
22.00lbs
Internal SKU:
colossus-35
Internal Product ID:
108609
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Amp is Questionable
The amp is heavy and huge. I've done several high end custom audio installs over the last six months. That being said, this is amp has the power but its cutting in and out frequently in a 2 ohm mono load with sensitivity at the half way mark. It has a xs power xp3000 and a rockford 10 farad bank on it. O gauge direct and is getting a constant 14.56 volts. So I"m pretty concerned at this point. I will update soon.
2 found this helpful
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12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)
12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)
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Belva BBG3KT CCA 1/0 Gauge Big Three Kit
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12-Volt Deep Cycle Sealed Non-Spillable Lead Acid AGM Battery Power Cell with 3300 Max Amps (BCI Group 34)
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True 10 Farad Hybrid Stiffening Capacitor with Digital Display and Built-in Distribution Block
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Belva Nine Function Digital Multimeter
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Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal
Make installation a breeze with the XBTU
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4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
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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.
