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1975 Mercury Comet

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Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 1975 Mercury Comet

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Amplifiers ✕
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Product Type
Amplifiers,
Subwoofers (1,150)
Amplifiers (936)
Subwoofers with a box (783)
Amplifiers with a wiring kit (438)
RCA cables and accessories (263)
Subwoofer enclosures (214)
Subwoofers with an amplifier and box (193)
Lighting accessories (176)
Subwoofer grilles (169)
Tweeters (Pro and special-fit) (149)
Amplifier wiring kits (142)
Speaker clamps and brackets (139)
Power and ground wire (130)
Batteries (128)
Fuses (123)
Speaker grilles (120)
Backup cameras (119)
Sound damping (107)
Subwoofers with an amplifier (101)
Handlebar and bar-mount speakers (98)
Alarm remote transmitters (96)
Line-out converters (94)
Fuse holders (81)
Speaker wire (73)
Ring terminals (63)
Replacement antennas (62)
Distribution blocks (58)
Light bars (58)
Connectors (56)
Speaker enclosures (52)
Bluetooth adapters and transmitters (50)
Speaker spacers and rings (50)
Bass remotes (49)
Cables and interconnects (48)
Speaker baffles (45)
Sound processors (41)
Trim rings and universal mounts (38)
Alarms (34)
Dash cameras (33)
Stereo remote controls (33)
Recone kits (32)
Rocker and Button switches (31)
Circuit breakers (30)
Primary/Remote wire (29)
Battery isolators and relays (27)
Audio test equipment (26)
Battery terminals (26)
Exterior lighting (26)
Installation accessories (25)
Trigger output and bypass modules (24)
Alarm accessories (23)
Antenna extension cables (23)
Capacitors (22)
Split loom and heat shrink (22)
Diodes and resistors (21)
Knockout panels (18)
Equalizers (16)
Noise filters (15)
Terminal cups (14)
Battery terminal posts (13)
Rearview monitor and mirrors (13)
Adapters (12)
Radar and laser detectors (11)
Video adapters and switchers (11)
Speaker diaphragms (10)
Bass booster enhancers and processors (9)
Headlight bulbs (9)
Battery chargers (8)
Panel and clip removal tools (8)
Power inverters (8)
2-way and CB radios (7)
Amplifier mounting hardware (7)
Tweeters (7)
Voltmeters (7)
Blindspot cameras and sensors (6)
Carpet (6)
Gauge adapters (6)
Grommets and firewall bushings (6)
Headlights (6)
Sensors (6)
Big 3 upgrade kits (5)
Box ports (5)
Knockout panel mount hardware (5)
Line drivers (5)
Passive crossovers (5)
Power supplies (5)
Steering wheel adapters (5)
Active Crossovers (4)
Bass Blockers (4)
License plates and frames (4)
Parking sensors (4)
Amplifier cooling fans (3)
Door panel clips (3)
Subwoofer (3)
Door actuators and poppers (2)
In-motion video/navigation bypass (2)
Radar detector mounts (2)
Rearview mirror mounts (2)
Video amplifiers (2)
Alarms with remote start (1)
Backup batteries (1)
Cable management (1)
Connector sets (1)
FM modulators and transmitters (1)
Multi-camera and DVR systems (1)
Overhead monitors (1)
Remote mount media players (1)
Price Range
Product Fitment Type
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Punch Series (38)
Power Series (27)
Machete Series (22)
FRP Series (21)
XDM Series (21)
V Series (20)
Prime Series (17)
CVP Series (15)
Hydro Series (14)
SXE Series (13)
VXi Series (13)
RD Series (12)
Apocalypse Atom Pro Series (11)
Reference Series (11)
SAE Series (11)
SALT Series (11)
SMD Series (11)
Brutus BRL Series (9)
CX Series (9)
Gen-X (9)
JD Series (9)
MVi Series (9)
N-Series (9)
Nautic Series (9)
Brutus BG Series (8)
BX Series (8)
Elite Series (8)
Epic Series (8)
Godfather Series (8)
Ground Pounder Series (8)
HD Series (8)
Hooligan Series (8)
MA Series (8)
Stroker RPM Series (8)
Thunder Series (8)
V-Drive Series (8)
XED Series (8)
Club Series (7)
Competition Series (7)
CRA Series (7)
HEX Series (7)
iON Series (7)
KXM Series (7)
LX Series (7)
Marine V Series (7)
Apocalypse Sport Series (6)
eXcelon Series (6)
HED Series (6)
JA Series (6)
M2 Series (6)
MUD Series (6)
MX Series (6)
Power Pack Series (6)
R-Series (6)
SFB Series (6)
SIA Series (6)
Venezia Series (6)
XQ Series (6)
ZR Series (6)
ACX Series (5)
Diamond Elite Series (5)
DMD Series (5)
Formula Series (5)
HCP Series (5)
KM Series (5)
Mean Machine Series (5)
Mini Series (5)
Premium Pro Series (5)
SAM Series (5)
Stealth Bomber Series (5)
Stroker Series (5)
SYN-DX Series (5)
Terminator Series (5)
VEGA Series (5)
XC-Series (5)
Altitude Series (4)
AP Series (4)
COLOSSUS Mini Series (4)
Discus Series (4)
DSP Series (4)
DXM Series (4)
Excelon Reference Series (4)
GM Series (4)
HTM Series (4)
M Series (4)
Marine Series (4)
Micro Series (4)
N Series (4)
PS Series (4)
PXA Series (4)
RS Series (4)
S Series (4)
Sinister Series (4)
Status Series (4)
Stroker Pro Series (4)
X Series (4)
Apex Series (3)
COLOSSUS Series (3)
Compact Mean Machine Series (3)
D Series (3)
DRVN Series (3)
Excelon Motorsports Series (3)
HRPM Series (3)
HXM Series (3)
LC Series (3)
M5 Series (3)
MDX Series (3)
MHD Series (3)
MicroV2 Series (3)
NXL Series (3)
Rebel Series (3)
SPL Show Series (3)
Stage GT Series (3)
Stealth STX Series (3)
Trident Series (3)
VFL Comp Series (3)
VFL Stealth Series (3)
Zeus Series (3)
Alpha Series (2)
Apocalypse Series (2)
BB Series (2)
Buran Series (2)
DB Series (2)
Edge Series (2)
EV Series (2)
EXL-P Series (2)
FX Series (2)
HCCA Series (2)
HMP Series (2)
Kappa Perfect Series (2)
Key Series (2)
KPX Series (2)
Micro8U Series (2)
MINI BANG Series (2)
MotorSport Series (2)
Picasso-Nano Series (2)
PowerHouse Shredder Series (2)
Primo Series (2)
Primus Series (2)
Q-Series (2)
QS Series (2)
RTX Series (2)
Signature Series (2)
Stealth Mini Series (2)
VFL Rebel Series (2)
VFL Series (2)
Warhorse Series (2)
XFL Series (2)
ACM Series (1)
Atom Series (1)
Bomber Series (1)
Colossus Classic Series (1)
CVPM Series (1)
CVPRO Series (1)
DC Series (1)
DPower Series (1)
EXL Series (1)
GM Digital Series (1)
GT Series (1)
HMS Series (1)
HTX Series (1)
Mille Pro Series (1)
MOJO Pro Series (1)
PowerZone 2 Series (1)
Punch BR Series (1)
PXE Series (1)
Reserve Series (1)
SAEv4 Series (1)
Smash Series (1)
SPL (1)
SPX Series (1)
Street Reference (1)
WET Series (1)
ZXI Series (1)
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Rockford Fosgate Punch Marine PM100X1K

300W Peak (100W RMS) Punch Series BTL Monoblock Marine Amplifiers (Pair)

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Rockford Fosgate Punch Marine PM100X1K

300W Peak (100W RMS) Punch Series BTL Monoblock Marine Amplifiers (Pair)

• 60 watts x 1 channel @ 4 ohm
• 100 watts x 1 channel @ 2 ohm
• Total RMS Power: 100 watts
• Class 2 ohm Stable Monoblock Amplifier

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• 60 watts x 1 channel @ 4 ohm
• 100 watts x 1 channel @ 2 ohm
• Total RMS Power: 100 watts
• Class 2 ohm Stable Monoblock Amplifier

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Planet Audio MB1200.4D

1200W RMS Class D Planet Pro Series 4 Channel Car Amplifier with Bass Remote

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Planet Audio MB1200.4D

1200W RMS Class D Planet Pro Series 4 Channel Car Amplifier with Bass Remote

• 113 watts x 4 channel @ 4 ohm
• 225 watts x 4 channel @ 2 ohm
• Bridged: 450 watts x 2 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 113 watts x 4 channel @ 4 ohm
• 225 watts x 4 channel @ 2 ohm
• Bridged: 450 watts x 2 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Boss Elite BE600.4D

600W RMS Class D Elite Series 4-Channel Car Amplifier

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Boss Elite BE600.4D

600W RMS Class D Elite Series 4-Channel Car Amplifier

• 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

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

• 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

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List price $499.99
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-25% $375.96

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Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

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Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

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List price $649.99
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• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

American Bass VFL REBEL 2400.4

2560W RMS Class D VFL Rebel Series 4-Channel Car and Motorcycle Amplifier

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American Bass VFL REBEL 2400.4

2560W RMS Class D VFL Rebel Series 4-Channel Car and Motorcycle Amplifier

• 425 watts x 4 channel @ 4 ohm
• 640 watts x 4 channel @ 2 ohm
• Bridged: 1290 watts x 2 channel @ 4 ohm
• Total RMS Power: 2560 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $495.00
-9% $450.00

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Boss Elite BE600.2D

600W Peak (450W RMS) Class D Elite Series 2 Channel Car Amplifier

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Boss Elite BE600.2D

600W Peak (450W RMS) Class D Elite Series 2 Channel Car Amplifier

• 113 watts x 2 channel @ 4 ohm
• 225 watts x 2 channel @ 2 ohm
• Bridged: 450 watts x 1 channel @ 4 ohm
• Total RMS Power: 450 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $199.99
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NVX XKIT82

NVX XKIT82

$79.99

$55.99

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Hertz DPower 1

600W Peak (300W RMS) Class D DPOWER Series Monoblock Car Amplifier

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Hertz DPower 1

600W Peak (300W RMS) Class D DPOWER Series Monoblock Car Amplifier

• 180 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier

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NVX XCA6K

6000W RMS Class D XC-Series Monoblock Korean Competition Amplifier with Bass Remote

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NVX XCA6K

6000W RMS Class D XC-Series Monoblock Korean Competition Amplifier with Bass Remote

• 2000 watts x 1 channel @ 4 ohm
• 4000 watts x 1 channel @ 2 ohm
• 6000 watts x 1 channel @ 1 ohm
• Total RMS Power: 6000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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NVX XKIT02

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Sundown Audio SFB1000.4D (A-SFB10004)

4000W RMS Class D SFB Series 4-Channel Car Amplifier

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Sundown Audio SFB1000.4D (A-SFB10004)

4000W RMS Class D SFB Series 4-Channel Car Amplifier

• 325 watts x 4 channel @ 4 ohm
• 550 watts x 4 channel @ 2 ohm
• 1000 watts x 4 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT04 Amp Kit at Checkout!
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List price $695.99
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NVX XKIT04

NVX XKIT04

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$135.09

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PRV Audio RS900 BASS 2 Ohm

900W RMS Class D RS Series Monoblock Car Amplifier

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PRV Audio RS900 BASS 2 Ohm

900W RMS Class D RS Series Monoblock Car Amplifier

• 710 watts x 1 channel @ 4 ohm
• 900 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable Monoblock Amplifier

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MB Quart PA1-2400.4

2400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

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MB Quart PA1-2400.4

2400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

• 400 watts x 4 channel @ 4 ohm
• 600 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total Peak Power: 2400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $629.99
-6% $589.99

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• 400 watts x 4 channel @ 4 ohm
• 600 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total Peak Power: 2400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

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Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel Amplifier

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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car Amplifier

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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car Amplifier

• 75 watts x 4 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Cerwin-Vega CVP2400.4

2400W Peak (840W RMS) Class D CVP Series 4-Channel Car Amplifier

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Cerwin-Vega CVP2400.4

2400W Peak (840W RMS) Class D CVP Series 4-Channel Car Amplifier

• 120 watts x 4 channel @ 4 ohm
• 210 watts x 4 channel @ 2 ohm
• Bridged: 410 watts x 2 channel @ 4 ohm
• Total RMS Power: 840 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Hifonics Brutus BRL1600.1

1600W RMS Class D Brutus BRL Series Monoblock Car Amplifier with Bass Remote

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Hifonics Brutus BRL1600.1

1600W RMS Class D Brutus BRL Series Monoblock Car Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1250 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1600 watts
• Class D 1 ohm Stable Monoblock Amplifier

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NVX XKIT02

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Crunch CRA-2000.4

2000W RMS Class D CRA Series 4-Channel Compact Car Amplifier

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Crunch CRA-2000.4

2000W RMS Class D CRA Series 4-Channel Compact Car Amplifier

• 250 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 250 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Limited time!

AudioControl ACX-300.2

300W RMS Class D ACX Series 2-Channel Marine and Powersports Amplifier

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AudioControl ACX-300.2

300W RMS Class D ACX Series 2-Channel Marine and Powersports Amplifier

• 75 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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• 75 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Crunch DR-2125.2D

2125W Peak Class D V-Drive Series 2-Channel Car Amplifier

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Crunch DR-2125.2D

2125W Peak Class D V-Drive Series 2-Channel Car Amplifier

• 530 watts x 2 channel @ 4 ohm
• 1060 watts x 2 channel @ 2 ohm
• Bridged: 2125 watts x 1 channel @ 4 ohm
• Total peak power output: 2125 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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Wet Sounds HTM-4

600W RMS Class D HTM Series 4 Channel Marine Amplifier with LED Backlit Badge

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Wet Sounds HTM-4

600W RMS Class D HTM Series 4 Channel Marine Amplifier with LED Backlit Badge

• 85 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 Marine Amplifier

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• 85 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 Marine Amplifier

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    FAQ for Universal-Fit Audio & Electronics in 1975 Comet

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1975 Mercury Comet?

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