See all parts that fit your 2004 645Ci
600W Max, 4-Channel Amplifier
Cobalt Series 4-Channel Class AB Car Amplifier • 60W x 4 Chan. @ 4 Ohm • 75W x 4 Chan. @ 2 Ohm • 600 Watts • LED Power indicator • Tuned Bass EQ • High-Pass and Low-Pass Filters • Speaker-Level Inputs
Learn more about the 07-co6004
DS18 8PRO300MB-8 (Sold Individually)
300W Peak (150W RMS) 8" 8PRO Series 8-ohm Mid-bass Speaker
$71.95
DS18 PRO-SM8.2 (Sold Individually)
500W Peak (250W RMS) 8” PRO Series Shallow Midrange 2-ohm Motorcycle and Powersports Loudspeaker
$77.95
Cobalt Series 4-Channel Class AB Car Amplifier • 60W x 4 Chan. @ 4 Ohm • 75W x 4 Chan. @ 2 Ohm • 600 Watts • LED Power indicator • Tuned Bass EQ • High-Pass and Low-Pass Filters • Speaker-Level Inputs
|
(newest, current model)
|
|
(previous model, replaced by Orion Cobalt CO6004)
|
Cerwin-Vega CVP8 (Sold Individually)
350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker
$49.99
List price $59.99
270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$90.00
List price $99.99
460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers
$90.00
List price $110.00
Cerwin Vega CVMPCL8.0 (Sold Individually)
400W Peak (200W RMS) 8" Stroker Pro Series Full Range 4-ohm Speakers
$139.99
List price $167.99
390W Peak (130W RMS) 8" DMDX Series 2-Way Cocentric Coaxial Car Speakers
$189.99
Rockford Fosgate Punch Pro V2 PPROV2-8
300W Peak (150W RMS) 8" Punch Pro Series Pro Audio Midrange 4-ohm Car Speakers
$229.99
Infinity REF407F (INFSPKRF407FUS)
210W Peak (75W RMS) 4" Reference Series 2-Way Coaxial 3-ohm Speakers
$87.95
List price $139.95
700W Peak (500W RMS) 8" Epic Pro Series Pro Audio Midrange 4-ohm Speakers
$129.00
900W Peak (300W RMS) 8" HED Series 2 Way Component 4-ohm Speaker System
$219.99
List price $263.99
520W Peak (170W RMS) 8" S-Series Hi-Res 2-Way Component Car Speakers
$239.95
List price $290.00
Best selling similar products
• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(22)
$159.99
List price $215.99
• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(111)
$209.99
List price $239.99
• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(44)
$304.99
List price $379.99
• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier
$289.90
List price $289.90
• 180 watts x 4 channel @ 4 ohm
• 270 watts x 4 channel @ 2 ohm
• Bridged: 540 watts x 2 channel @ 4 ohm
• Total RMS Power: 1080 watts
• Class D 2 ohm Stable 4-Channel Amplifier
$259.90
List price $259.90
• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(34)
$299.99
List price $299.99
Rockford Fosgate Prime R2 R2-500X4
• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(10)
$359.99
List price $359.99
• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(117)
$279.99
List price $335.99
• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier
(70)
$279.99
List price $383.99
• 65 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier
(16)
$229.99
List price $249.99
Manufacturer:
Model Number:
CO600.4
Weight:
12.00lbs
Internal SKU:
07-co6004
Internal Product ID:
17261
| 5 star |
|
0% |
| 4 star |
|
0% |
| 3 star |
|
0% |
| 2 star |
|
0% |
| 1 star |
|
0% |
| Durability | ||
| Value | ||
| Features | ||
| Design | ||
| Usability |
Universal Remote Bass Level Control Knob
Flush Mount & Universal via RCA. Works with any amp, controls your bass output
(8)
$7.99
List price $14.99
Add a 4-channel amplifier without replacing your factory radio
(2)
$27.99
List price $31.24
Add a 4-channel amplifier without replacing your factory radio
(31)
$21.99
List price $23.74
NVX XIX45 X-Series RCA Interconnect Cable
16.4 ft. of 4-Channel X-Series RCA Cable with Dual Twisted Pair Hyper-Flex Technology
(24)
$23.99
List price $28.99
NVX V-Series RCA Interconnect Cable
19 ft. of 4-Channel RCA cable with dual twisted-pair conductors
(35)
$15.99
List price $32.99
NVX XIV45 4-Channel RCA Audio Interconnect Cable
5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology
(27)
$16.99
List price $29.99
All-in-one cable for speaker and amp installation (20 feet)
(2)
$29.99
List price $47.99
75 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
(22)
$34.99
List price $44.99
80 Amp Smart Relay Isolator (XSBI80)
Smart isolator - Monitors and auto-charging feature!
(2)
$24.99
List price $49.99
Great for isolating a second batter making it dedicated to the stereo system
(10)
$15.99
List price $19.99
200 Amp Smart Relay Isolator (XSBI200)
Smart isolator - Monitors and auto-charging feature!
(6)
$49.99
List price $79.99
200 Amp Relay Isolator (BIR200)
Great for isolating a second batter making it dedicated to the stereo system
(17)
$49.99
List price $59.99
500 Amp Relay Isolator (BIR500)
Does not create a voltage drop to the second battery like conventional isolators
(36)
$79.99
List price $95.99
True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block
(66)
$109.99
List price $131.99
1.0 Farad Capacitor with Digital Red Display for up to 1000W Max
(80)
$38.99
List price $79.99
Belva Nine Function Digital Multimeter
Perfect for any installation and troubleshooting
(7)
$9.99
List price $29.99
This is a must have! Set your crossover frequency like a Pro
(21)
$187.98
List price $197.98
High Quality Element Resistant AGU Fuse Holder
Belva BAGUH2 AGU Fuse Holder
(2)
$4.99
List price $9.99
Modular Linkable ANL Fuse Block
Modular Linkable ANL Fuse Block
(4)
$14.99
List price $59.99
4 Pack of 80 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses
(20)
$3.99
List price $8.99
4 Pack of 100 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses
(18)
$3.99
List price $8.99
4 Pack of 150 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 150A Nickel Plated Fuses
(11)
$3.99
List price $8.99
2 Pack of 100 Amp Nickel-Plated ANL Fuse
ANL 100A Nickel plated for better power transfer
(8)
$3.99
List price $7.99
2 Pack of 200 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 200 Amp ANL Fuses
(23)
$3.99
List price $7.99
2 Pack of 300 Amp Nickel-Plated ANL Fuse
Two fuses per order. High quality 300 Amp ANL Fuses
(19)
$3.99
List price $7.99
Cancel
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.
