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2004 Cadillac SRX

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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 Stereo 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 2004 Cadillac SRX

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 (1,136)
Amplifiers (929)
Subwoofers with a box (781)
Amplifiers with a wiring kit (438)
RCA cables and accessories (262)
Subwoofer enclosures (214)
Subwoofers with an amplifier and box (191)
Lighting accessories (176)
Subwoofer grilles (169)
Tweeters (Pro and special-fit) (148)
Amplifier wiring kits (142)
Speaker clamps and brackets (139)
Power and ground wire (130)
Batteries (127)
Fuses (123)
Speaker grilles (118)
Backup cameras (117)
Sound damping (105)
Subwoofers with an amplifier (101)
Handlebar and bar-mount speakers (97)
Alarm remote transmitters (96)
Line-out converters (92)
Fuse holders (81)
Speaker wire (73)
Ring terminals (63)
Replacement antennas (62)
Distribution blocks (58)
Light bars (58)
Connectors (56)
Speaker enclosures (52)
Bass remotes (50)
Bluetooth adapters and transmitters (50)
Speaker spacers and rings (50)
Speaker baffles (49)
Cables and interconnects (48)
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)
Split loom and heat shrink (22)
Capacitors (20)
Diodes and resistors (20)
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)
Headlight bulbs (9)
Bass booster enhancers and processors (8)
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Panel and clip removal tools (8)
Power inverters (8)
2-way and CB radios (7)
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Tweeters (7)
Voltmeters (7)
Blindspot cameras and sensors (6)
Carpet (6)
Gauge adapters (6)
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Headlights (6)
Sensors (6)
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)
Big 3 upgrade kits (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)
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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)
Prime Series (17)
V Series (17)
CVP Series (15)
Hydro Series (14)
SXE Series (13)
VXi Series (13)
Apocalypse Atom Pro Series (12)
RD Series (12)
Reference Series (11)
SALT Series (11)
SMD Series (11)
Brutus BRL Series (9)
CX Series (9)
Gen-X (9)
JD Series (9)
MVi Series (9)
Nautic Series (9)
SAE Series (9)
Brutus BG Series (8)
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Godfather Series (8)
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HD Series (8)
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MA Series (8)
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CRA Series (7)
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MX Series (6)
N-Series (6)
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R-Series (6)
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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)
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SYN-DX Series (5)
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XC-Series (5)
Altitude Series (4)
AP Series (4)
COLOSSUS Mini Series (4)
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Excelon Reference Series (4)
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M Series (4)
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Micro Series (4)
N Series (4)
PS Series (4)
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S Series (4)
Sinister Series (4)
Status Series (4)
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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)
Key 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)
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Edge Series (2)
EV Series (2)
EXL-P Series (2)
FX Series (2)
HCCA Series (2)
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KPX Series (2)
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QS Series (2)
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ACM Series (1)
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CVPRO Series (1)
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HMS Series (1)
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Mille Pro Series (1)
MOJO Pro Series (1)
PowerZone 2 Series (1)
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Reserve Series (1)
SAEv4 Series (1)
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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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Sundown Audio SAEv4-1000.1D

1000W RMS Class D SAE Series Monoblock Car Amplifier with Bass Remote (SAEv.4-1000D)

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Sundown Audio SAEv4-1000.1D

1000W RMS Class D SAE Series Monoblock Car Amplifier with Bass Remote (SAEv.4-1000D)

• 375 watts x 1 channel @ 4 ohm
• 650 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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AudioControl A1100.5

1100W RMS Class D Altitude Series 5-Channel Car Amplifier with ParaBASS Control Knob

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AudioControl A1100.5

1100W RMS Class D Altitude Series 5-Channel Car Amplifier with ParaBASS Control Knob

• 90 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 400 watts x 1 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 4 ohm Stable 5-Channel-Channel Amplifier

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DS18 ZR1600.4D

7200W Peak (2720W RMS) Class D ZR Series 4-Channel Car Amplifier

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DS18 ZR1600.4D

7200W Peak (2720W RMS) Class D ZR Series 4-Channel Car Amplifier

• 400 watts x 4 channel @ 4 ohm
• 680 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total RMS Power: 2720 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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Hifonics BG-520.4

520W RMS Class D Brutus BG Series 4-Channel Car Amplifier

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Hifonics BG-520.4

520W RMS Class D Brutus BG Series 4-Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Kicker KMA360.4 (48KMA3604)

500W Peak (360W RMS) Class AB KMA Series 4-Channel Marine Amplifier

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Kicker KMA360.4 (48KMA3604)

500W Peak (360W RMS) Class AB KMA Series 4-Channel Marine Amplifier

• 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 D 2 ohm Stable 4-Channel Amplifier

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• 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 D 2 ohm Stable 4-Channel Amplifier

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Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier

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Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier

• 4 Channel: 160 watts x 4 channel @ 4 ohm
• 4 Channel: 250 watts x 4 channel @ 2 ohm
• 3 Channel: 160 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
• 3 Channel: 250 watts x 2 channel @ 2 ohm + 500 watts x 1 channel @ 4 ohm
• 2 Channel: 500 watts x 2 channel @ 4-ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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Cerwin-Vega H800.4D

800W RMS Class D HED Series 4 Channel Car Amplifier

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Cerwin-Vega H800.4D

800W RMS Class D HED Series 4 Channel Car Amplifier

• 125 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Hifonics Brutus BRL1200.4

1200W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

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Hifonics Brutus BRL1200.4

1200W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

• 150 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $389.00
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Hifonics Brutus BRL1600.4

1600W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

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Hifonics Brutus BRL1600.4

1600W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

• 300 watts x 4 channel @ 4 ohm
• 450 watts x 4 channel @ 2 ohm
• Bridged: 880 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XKIT04

NVX XKIT04

$192.98

$135.09

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• 300 watts x 4 channel @ 4 ohm
• 450 watts x 4 channel @ 2 ohm
• Bridged: 880 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Sundown Audio SAEv4-200.4

1200W RMS Class AB SAE Series 4-Channel Car Amplifier (SAEv.4-200.4)

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Sundown Audio SAEv4-200.4

1200W RMS Class AB SAE Series 4-Channel Car Amplifier (SAEv.4-200.4)

• 200 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

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List price $647.99
-17% $539.99

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Sundown Audio SALT-2000.6

2000W RMS Class D SALT Series 6-Channel Full Range Car Amplifier

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Sundown Audio SALT-2000.6

2000W RMS Class D SALT Series 6-Channel Full Range Car Amplifier

• 100 watts x 2 channel + 150 watts x 2 channel (3&4) @ 4 ohm
• 200 watts x 2 channel + 250 watts x 2 channel (3&4) @ 2 ohm
• 550 watts x 2 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable 6-Channel Amplifier

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JL Audio XDM1000/1

1000W RMS Class D XDM Series Monoblock Car and Marine Amplifier

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JL Audio XDM1000/1

1000W RMS Class D XDM Series Monoblock Car and Marine Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

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Jensen JATWO

530W Peak (445W RMS) Class D JA Series 2-Channel Car Amplifier

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Jensen JATWO

530W Peak (445W RMS) Class D JA Series 2-Channel Car Amplifier

• 125 watts x 2 channel RMS @ 4 ohm
• 215 watts x 2 channel RMS @ 2 ohm
• Bridged: 445 watts x 1 channel RMS @ 4 ohm
• Total RMS Power: 445 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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Precision Power i350.2

350W RMS Class D iON Series 2 Channel Car Amplifier

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Precision Power i350.2

350W RMS Class D iON Series 2 Channel Car Amplifier

• 115 watts x 2 channel @ 4 ohm
• 175 watts x 2 channel @ 2 ohm
• Bridged: 350 watts x 1 channel @ 4 ohm
• Total RMS Power: 350 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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Stinger SPX700X4

700W RMS Class D SPX Series 4 Channel Marine and Powersports Amplifier

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Stinger SPX700X4

700W RMS Class D SPX Series 4 Channel Marine and Powersports Amplifier

• 125 watts x 4 channel @ 4 ohm
• 175 watts x 4 channel @ 2 ohm
• Bridged: 125 watts x 2 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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JVC KS-DR2104DBT

600W Peak (200W RMS) Class D DRVN Series 4-Channel Marine and Powersports Amplifier with Bluetooth Remote

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JVC KS-DR2104DBT

600W Peak (200W RMS) Class D DRVN Series 4-Channel Marine and Powersports Amplifier with Bluetooth Remote

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

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

Rockford Fosgate Power T500-1bdCP

500W RMS Class BD Power Series Monoblock Car Amplifier

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Rockford Fosgate Power T500-1bdCP

500W RMS Class BD Power Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class BD 1 ohm Stable Monoblock Amplifier

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Sundown Audio SALT-2

2000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT2)

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Sundown Audio SALT-2

2000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT2)

• 500 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• 4000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Sundown Audio SFB200.4D (A-SFBV22004)

800W RMS Class D SFB Series 4 Channel Car Amplifier

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Sundown Audio SFB200.4D (A-SFBV22004)

800W RMS Class D SFB Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• 200 watts x 4 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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Rockford Fosgate Punch Marine PM500X2

500W RMS Class AB Punch Series 2 Channel Marine Amplifier

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Rockford Fosgate Punch Marine PM500X2

500W RMS Class AB Punch Series 2 Channel Marine Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

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