See all parts that fit your 2000 328Ci
400W Peak (180W RMS) Class D M Series 4-Channel Car, Marine, Powersports, and Motorcycle Amplifier
• 45 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 90 watts x 2 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier
500W Peak (60W RMS) 5.25” XED Series 2-Way 4-ohm Component Speaker System
$59.99
List price $71.99
• 45 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Bridged: 90 watts x 2 channel @ 4 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel Amplifier
The Kenwood KAC-M1814 is a high-performance, ultra-compact 4-channel Class D amplifier designed to provide a clean and potent power boost for car, marine, and motorsports audio systems. Despite its small footprint—roughly the size of a large smartphone—this unit is engineered to deliver more than double the power of a standard factory head unit, making it a favorite for hidden installations in motorcycles, ATVs, and compact car cabins.
The KAC-M1814 utilizes a conformal-coated main circuit board, which protects the internal electronics from the damaging effects of humidity, salt air, and dust. To ensure high-fidelity sound, Kenwood separates the preamp and power-amp sections on distinct circuit boards to minimize radiation noise. It also features signal-sensing turn-on on its speaker-level inputs, allowing for a seamless integration with factory systems without the need for a dedicated remote turn-on wire.
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
Infinity REF697F (INFSPKRF697FUS)
600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers
$139.95
List price $169.95
270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers
$74.99
List price $129.95
240W Peak (120W RMS) 6x9" Terminator Series 2 Way Coaxial 4-ohm Speakers
$79.95
List price $89.95
Infinity Reference 5030cx (REF5030CX)
390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System
$99.95
List price $249.95
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• 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
(41)
$209.99
List price $239.99
• 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
(25)
$279.99
List price $335.99
• 80 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier
(46)
$349.99
List price $419.99
• 150 watts x 6 channel + 250 watts x 2 channels @ 4 ohm
• 225 watts x 6 channel + 400 watts x 2 channels @ 2 ohm
• Bridged: 450 watts x 3 channel + 850 watts x 1 channel @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel Amplifier
(2)
$399.99
List price $539.99
• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier
(35)
$259.99
List price $335.99
• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier
(38)
$209.99
List price $227.99
• 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
• 240 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier
(16)
$189.99
List price $239.99
• 40 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 4 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier
$549.99
List price $659.99
Manufacturer:
Model Number:
KAC-M1814
Weight:
8.00lbs
Internal SKU:
kacm1814
Internal Product ID:
169891
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Worked great—until it didn’t
This amp had lots of clean power, great sound and was easy to set up. Then after about two months there was a pop and the smell of burning plastic. I returned it for a different product.
Verified purchase
42 found this helpful
Plenty of power and great for a "hideaway" install!
Purchased this amp in order to properly power the four Infinity Reference 6x9s in my wife's 2014 Jeep Patriot. The Infinity's are a 3 ohm design, so I needed something that was stable below 4 ohms (this also goes for many Polk and JBL speakers). The Jeep doesn't have many good areas to hide an amp, so I needed something with a small enough footprint to hide under the dash or center console. After cutting off the four mounting brackets (where you'd screw the amp down) and filing the sharp metal edges, I was able to fit this nicely inside the "hump" under the shifter. You'd never know its there.
This amp has more than enough power to drive the 6x9s cleanly and provides a lot more bass thump compared to just a head unit. Vocals are much brighter and clearer, too. Its currently receiving input from 2.5 volt RCA inputs and I opted to keep the stock 18 gauge speaker wire in place for now, but I'm sure it would perform even better with a stronger input signal and 14 gauge wire. I do wish this unit was capable of more power at sub-4 ohm loads like my favorite mini amp, the discontinued Clarion XC1410, but it does its job well nonetheless. Time will tell if it lasts as long as my Clarion (going strong for 6+ years!). Oh yeah, definitely use proper sized cable for the power and ground: I picked up the Belva 8 gauge CCA kit from Sonic and it was perfect.
27 found this helpful
Great for the money
This relatively inexpensive amplifier delivers a lot of power with a very small footprint. I've sold a lot of these with my harness kits and what's really nice is that you can power them directly to the radio circuit. That makes for a totally plug-n-play application which my customers like very much. I will leave this amplifier in my lineup of options until Kenwood discontinues it.
Verified purchase
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
The XLOC44X helps you easily integrate with your factory or aftermarket system
(1)
$64.99
List price $149.99
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
(21)
$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
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
(19)
$3.99
List price $8.99
4 Pack of 100 Amp Nickel-Plated MANL Fuse
Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses
(17)
$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
Marine Grade Bluetooth Audio Controller/Receiver
Marine Grade Bluetooth Audio Controller/Receiver
(10)
$49.99
List price $62.49
• 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
(14)
$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
(41)
$209.99
List price $239.99
Axxess XSVI-5524-NAV Wiring Interface
Install new car stereo and retain accessory power in select 2011-2025 vehicles from Ford
(7)
$49.99
List price $75.99
Kicker KFDL7T10 Enclosure + CXA1200.1 Amp + Remote w/ Free Amp Install Kit
Kicker 1000W RMS Loaded Dual 10" Sealed Truck Enclosure, 1200W RMS Class D Monoblock Amp, Bass Remote, NVX 4-Ga OFC Wiring Kit, and Accessories
(157)
$1290.01
List price $1580.93
Sundown Audio UV.2 15" D4 + NVX XCA3K
1 pair of 1750W RMS 15" U Series Dual 4-ohm Car Subwoofer with Monoblock Amplifier with LED Remote Bass Knob
(2)
$2139.97
List price $2687.97
2 Pairs Kicker DSC6930 Speakers w/ Kicker Amp w/ Free Amp Install Kit
720W Peak (180W RMS) 6x9” DS Series 3-way Speakers, 360W RMS Class AB CX-Series 4-Channel Amp, 8 Gauge Wiring Kit, and NVX Can Insulator Koozie
(83)
$470.00
List price $599.94
Coby CX789 Portable Digital AM/FM Radio with Dual Alarms
Portable Digital AM/FM/NOAA Radio with Dual Alarms, LCD Display Screen, and Built-In Speaker
(2)
$29.95
List price $39.95
2 Pairs Kicker 6x9" Speakers (CSC693) + NVX NDA6004 w/ Free Amp Install Kit
900W Peak 6x9” CS Series 3 Way Coaxial Speakers with NVX 1200W Peak N-Series 4-Channel Amplifier, 8 Gauge OFC Wiring Kit, and Can Insulator Sleeve
(94)
$383.94
List price $653.94
2 Pairs Kicker 6x9" Speakers (CSC693) + NVX VADM4 v2 w/ Free Amp Install Kit
Kicker 900W Peak 6x9” CS Series 3-Way Speakers with NVX 500W RMS 4-Channel Amplifier, 8 Gauge OFC Wiring Kit, and Foam Can Koozie
(121)
$433.94
List price $677.94
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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.
