All Phoenix Gold Car Amplifiers at Sonic Electronix

All Phoenix Gold Car Amplifiers

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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.

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.
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.

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.

The lowest impedance the amplifier will handle when it is not bridged.
The lowest impedance the amplifier will handle when it is bridged.
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 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.
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.

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.

Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Phoenix Gold RX2 500.1

500W RMS Monoblock Car Audio Amplifier

RX2500.1 main
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500W RMS Monoblock Car Audio Amplifier

• Class D Topology
• Small Footprint Chassis Design
• Remote Bass Controller Included
• Robust Unregulated Power Supplies
• Rotatable Badging for installation flexibility
• High level Inputs for Easy OEM Integration
• Audio Precision® Quality Control Verification

Phoenix Gold RX2 500.1

500W RMS Monoblock Car Audio Amplifier

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$259.00 (23.17% off)
$199.00
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500W RMS Monoblock Car Audio Amplifier

$199.00

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Belva BAK42BK 4 Gauge Amplifier Installation Kit

Great amps need great wire at a great price. This amp kit has everything you need!

$29.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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NVX XLCA2

2 Channel Line Out Converter with xBOOST & 3-year warranty*!

$89.99

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Phoenix Gold RX2 400.4 (RX24004)

400W RMS Class A/B 4-Channel Amplifier

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400W RMS Class A/B 4-Channel Amplifier

• 400 Watt 4 Channel Class A/B Amplifier
• Small Footprint Chassis Design
• Robust Unregulated Power Supplies
• Rotatable Badging for installation flexibility
• High level Inputs for Easy OEM Integration
• Audio Precision® Quality Control Verification
• Class A/B Topology

Phoenix Gold RX2 400.4 (RX24004)

400W RMS Class A/B 4-Channel Amplifier

In stock

Only 3 Left!

$259.00 (7.72% off)
$239.00
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RX2400.4 small

400W RMS Class A/B 4-Channel Amplifier

$239.00

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Belva BAK44 4-Channel 4 Gauge Amplifier Installation Kit

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$39.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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View all available accessories for the Phoenix Gold RX2 400.4 (RX24004).
Phoenix Gold RX2 250.1 (RX2250.1)

250 Watt RMS Class A/B Monoblock Amplifier

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250 Watt RMS Class A/B Monoblock Amplifier

• Class A/B Topology
• Small Footprint Chassis Design
• Remote Bass Controller Included
• Robust Unregulated Power Supplies
• Rotatable Badging for installation flexibility
• High level Inputs for Easy OEM Integration
• Audio Precision® Quality Control Verification

Phoenix Gold RX2 250.1 (RX2250.1)

250 Watt RMS Class A/B Monoblock Amplifier

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Only 2 Left!

$189.00 (15.87% off)
$159.00
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RX2250.1 small

250 Watt RMS Class A/B Monoblock Amplifier

$159.00

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Belva 1.0 Farad Capacitor + Amp Kit

BB1D 1.0 Farad Capacitor + BAK42BK Complete 4 Gauge Amplifier Wiring Kit

$54.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XLCA2

2 Channel Line Out Converter with xBOOST & 3-year warranty*!

$89.99

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View all available accessories for the Phoenix Gold RX2 250.1 (RX2250.1).
Phoenix Gold RX2-1000.1 (RX210001)

1000W RMS Class D Monoblock Amplifier

RX21000.1 main
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1000W RMS Class D Monoblock Amplifier

• Class D Topology
• Small Footprint Chassis Design
• Remote Bass Controller Included
• Robust Unregulated Power Supplies
• Rotatable Badging for installation flexibility
• High level Inputs for Easy OEM Integration
• Audio Precision® Quality Control Verification

Phoenix Gold RX2-1000.1 (RX210001)

1000W RMS Class D Monoblock Amplifier

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$399.00 (15.04% off)
$339.00
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RX21000.1 small

1000W RMS Class D Monoblock Amplifier

$339.00

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Belva BAK42BK 4 Gauge Amplifier Installation Kit

Great amps need great wire at a great price. This amp kit has everything you need!

$29.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XLCA2

2 Channel Line Out Converter with xBOOST & 3-year warranty*!

$89.99

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View all available accessories for the Phoenix Gold RX2-1000.1 (RX210001).
Phoenix Gold SX2 1200.6 (SX212006)

1200W 6 Channel System Amplifier

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1200W 6 Channel System Amplifier

• 1200W RMS 6 Channel Amplifier
• Variable phase output
• Strappable
• Remote bass and phase controller with Bass Shift® (RBPC)
• Switchable balanced or unbalanced inputs
• Power/Ground Wire Size: 4GA
• Tri-light LED amplifier status indicators

Phoenix Gold SX2 1200.6 (SX212006)

1200W 6 Channel System Amplifier

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$699.00 (17.17% off)
$579.00
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SX21200.6 small

1200W 6 Channel System Amplifier

$579.00

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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Stinger SI4612 4000 Series Interconnect Cable

12 ft. 6-Channel 4000 Series Audio Interconnect Cable

$19.99

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NVX XWS1225 12 AWG Speaker Wire

25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$29.99

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Phoenix Gold SX2 1200.1 (SX212001)

SX Series 2 1200W RMS Class D Monoblock High-Current Subwoofer Amplifier

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SX Series 2 1200W RMS Class D Monoblock High-Current Subwoofer Amplifier

• 1200W RMS Monoblock Subwoofer Amplifier
• Variable phase output
• Audio Precision Quality Control Verification
• Remote bass and phase controller with Bass Shift® (RBPC)
• Switchable balanced or unbalanced inputs
• Power/Ground Wire Size: 4GA
• Tri-light LED amplifier status indicators

Phoenix Gold SX2 1200.1 (SX212001)

SX Series 2 1200W RMS Class D Monoblock High-Current Subwoofer Amplifier

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$699.00 (17.17% off)
$579.00
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SX21200.1 small

SX Series 2 1200W RMS Class D Monoblock High-Current Subwoofer Amplifier

$579.00

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Belva BAK42BK 4 Gauge Amplifier Installation Kit

Great amps need great wire at a great price. This amp kit has everything you need!

$29.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XFLOC2

80W 2-Channel Line Output Converter with Digital Noise Filter + Line Driver

$16.99

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View all available accessories for the Phoenix Gold SX2 1200.1 (SX212001).
Phoenix Gold SX2 400.2 (SX24002)

400 Watt SX Series 2 Channel Car Amplifier

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400 Watt SX Series 2 Channel Car Amplifier

• 4 ohms: 100 watts x 2 chan
• 2 ohms: 150 watts x 2 chan
• Bridged, 2 ohms: 400 watts

Phoenix Gold SX2 400.2 (SX24002)

400 Watt SX Series 2 Channel Car Amplifier

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Ships at Later Date

$339.00 (14.75% off)
$289.00
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SX2400.2 small

400 Watt SX Series 2 Channel Car Amplifier

$289.00

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Belva 1.0 Farad Capacitor + Amp Kit

BB1D 1.0 Farad Capacitor + BAK42BK Complete 4 Gauge Amplifier Wiring Kit

$54.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Phoenix Gold SX2 400.2 (SX24002).
Phoenix Gold SX2 600.1 (SX26001)

600W Class D Monoblock Amplifier

SX2600.1 main
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600W Class D Monoblock Amplifier

• Class D 1-Channel Monoblock Amplifier
• 600 watts into 1 ohm
• Audio Precision Quality Control Verification
• Tri-light LED amplifier status indicators
• Onboard Thermal Management
• Power/Ground Wire Size: 4GA
• Bass Boost: @ 40Hz 0 to +6dB

Phoenix Gold SX2 600.1 (SX26001)

600W Class D Monoblock Amplifier

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Ships at Later Date

$499.00 (16.03% off)
$419.00
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  • Get A Free $75 Dollar Gift Card With Purchase!
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SX2600.1 small

600W Class D Monoblock Amplifier

$419.00

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Belva BAK42BK 4 Gauge Amplifier Installation Kit

Great amps need great wire at a great price. This amp kit has everything you need!

$29.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XFLOC2

80W 2-Channel Line Output Converter with Digital Noise Filter + Line Driver

$16.99

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Don't see the accessory you're looking for?
View all available accessories for the Phoenix Gold SX2 600.1 (SX26001).
Phoenix Gold RX2 750.5 (RX27505)

750W RMS 5-Channel Full Range Class D Amplifier

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750W RMS 5-Channel Full Range Class D Amplifier

• 750 Watt 5 Channel Full Range Class D Amplifier
• Small Footprint Chassis Design
• Remote Bass Controller Included
• Robust Unregulated Power Supplies
• Rotatable Badging for installation flexibility
• High level Inputs for Easy OEM Integration
• Audio Precision® Quality Control Verification

1
Phoenix Gold RX2 750.5 (RX27505)

750W RMS 5-Channel Full Range Class D Amplifier

In stock

Only 1 Left!

$420.00 (7.38% off)
$389.00
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  • Get A Free $75 Dollar Gift Card With Purchase!
  • Get a 6 Channel Installation Kit with Purchase and Save 50%

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RX2750.5 small

750W RMS 5-Channel Full Range Class D Amplifier

$389.00

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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AudioControl LC6i (Black)

6 Channel Line Out Converter with Internal Summing & 5-year warranty*!

$149.99

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NVX XIV65 V-Series Interconnect Cable

5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable

$34.99

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Phoenix Gold SX2 800.4 (SX2800.4)

SX Series 2 800W RMS Class D 4-Channel Amplifier

SX2800.4 main
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SX Series 2 800W RMS Class D 4-Channel Amplifier

• Class D SX Series 4 Channel Amplifier
• Total RMS Power : 800w
• Audio Precision Quality Control Verification
• Tri-light LED amplifier status indicators
• Onboard Thermal Management
• Power/Ground Wire Size: 4GA
• Bass Boost: @ 40Hz 0 to +6dB

Phoenix Gold SX2 800.4 (SX2800.4)

SX Series 2 800W RMS Class D 4-Channel Amplifier

Special order

Ships at Later Date

$499.00 (16.03% off)
$419.00
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1 Special offer
  • Get A Free $75 Dollar Gift Card With Purchase!

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SX2800.4 small

SX Series 2 800W RMS Class D 4-Channel Amplifier

$419.00

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Belva BAK44 4-Channel 4 Gauge Amplifier Installation Kit

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$39.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XFLOC4

4-Channel Line Output Converter with Digital Noise Filter + Line Driver

$19.99

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Don't see the accessory you're looking for?
View all available accessories for the Phoenix Gold SX2 800.4 (SX2800.4).

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