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RE Audio XTX-500.5 (XTX500.5)

1500W 5-Channel XTX Series Full Range Digital Car Amplifier

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This item has been discontinued

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RE Audio XTX Series Delivers Clean and Efficient Power

Wanna power up your complete audio system? Then the XTX500.5 is the amplifier for you. The 4-channels allow you to power up two pair of car speakers while the 5th channel will allow you power up a subwoofer like the SRX10D4.

The Digital age is here which means the Analog era is a thing of the past. We at Sonic Electronix are happy to be carrying RE Audio’s 2011 XTX Full Range Digital Series of amplifiers that are sure to meet any needs. The XTX series has multi-channel amplifiers available along with Monoblock amplifiers. All XTX series amplifiers feature a variable low-pass filter allowing you to better fine tune certain frequencies in your car audio system to get a sound that better suits you. The 2-way protection circuitry system well protect the amplifiers from any short circuit or thermal heat overload. This protection ensures the safety of your amplifier, devices, and vehicle at all times. All XTX series amplifiers feature a Pulse Width Modulated MOSFET power supply for increased efficiency and performance. RE Audio’s XTX series amplifiers all produce a clean stream of current while decreasing any distortion that is caused by cross frequencies or even from the engine of your car. If you are looking for a reliable, powerful and efficient amplifier, RE Audio’s XTX series amplifiers are the perfect choice for any installation and situation.

Product Features:
  • XTX Series 5-Channel Full Range Digital Car Amplifier
  • RMS Power Rating (14.4V)):
    • 4 ohms: 60 watts x 4 chan. + 200 watts x 1 chan.
    • 2 ohms: 90 watts x 4 + 300 watts x 1 chan. chan.
    • Bridged, 4 ohms: 180 watts x 2 chan. + 300 watts X 1 chan.
  • Dynamic power output: 1500 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Wired remote included
  • Fixed bass boost (12 dB at 45 Hz)
  • 5/3 channel operation
  • 2-Way System Protection circuitry (thermal and short circuit)
  • Heavy duty brushed aluminum alloy convection cooled heatsink for efficient heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated 8-18AWG screw terminals
  • Input sensitivity:
    • Low level: 200mV-6V
  • Variable high-pass filter (30-300 Hz, 24 dB/octave)
  • Variable low-pass filter (50-1000 Hz, 24 dB/octave)
  • Signal to noise ration: 90dB
  • Phase Shift Control: 0 - 180°
  • Frequency response: 10-30,000 Hz
  • Dimensions: 10-5/8"L x 7-1/2"W x 1-15/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

60 watts x 4 channels
RMS Power @ 2 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

90 watts x 4 channels
RMS Power @ 1 ohm

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 1 ohm, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

Not Stable
Bridged RMS Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the RMS power created once an amplifier is bridged.

180 watts x 2 channels
Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison.

750 watts x 2 channels

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
200 watts x 1 channels
RMS Power @ 2 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
300 watts x 1 channels
RMS Power @ 1 ohm
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 1 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
Not Stable
Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage. Often times this maximum is achieved during a brief musical burst, such as a drum accent or low bass hit. Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. This is the peak power output for the amplifier's 5th channel.
1500 watts x 1 channels

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
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.

AB
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.
5
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.

1500 watts
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.

300 watts
Maximum Input Gauge Size
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.
4 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
2 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
4 ohms
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.1%
Speaker Level Inputs
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.
No
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.
No
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.

Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

30 - 300 Hz
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 1000 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
90 dB
Channel Separation
Also referred to as crosstalk. The amount of interference on one stereo channel caused by the leaking of the other stereo channel. The higher the rating in decibels (dB), the better the Channel Separation.
75 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
12 dB
Bass/Gain Remote
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.
Yes
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
No
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
30A x 2 
CEA-2006 Compliant
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.

No
Strappable
Some amplifiers can be "strapped" together in order to increase the output of a single audio channel. These amplifiers feature RCA preamp outputs, allowing you to pass the signal directly from one amp to the other to ensure consistency.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
60%
4 Star
40%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.6
Value
4.8
Features
4.4
Design
4.4
Usability
4.6
Doug Chance

Philadelphia, PA

Overall
Durability
Value
Features
Design
Usability
Solid clean output / great value

March 15, 2013

It's tough to find a 5-channel amp this small or smaller at such a reasonable price. I have it driving an active front stage (Morel Tempo 6 components) and an 8" low-profile Pioneer subwoofer. Can't comment on the crossover/filtering functions as I'm using a separate DSP for that duty, but the amp delivers plenty of clean power with no issues of overheating or anything else for that matter. Nice design, except I agree that the alternating positions for + and - on the speaker terminals is annoying. Since that's my only complaint, you gotta figure this is a downright fine amplifier for this price range (and even above it).

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Andrew

Memphis, TN

Overall
Durability
Value
Features
Design
Usability
Clean

September 18, 2012

I kind of went out on a limb ordering this (came in a combo package with CTX-6.5cs the CTX-6.5 the ID12 D4) I had never heard of RE Audio until I had shopped around for a new system for my 04 Trailblazer. I am by no means an audiophile, but I know what sounds good. Being a digital amp, you can definitely hear the clarity that this thing offers. (Before I installed my new system, I hooked the speakers up to an analog amp to try to compare) My system sounds bright, loud and powerful. This amp pushes my system beyond what I would ever want to be in my truck for. Having a 5 channel amp all in one rather small package is really convenient when you don't have a lot of space to work with. I was able to neatly tuck it under my passenger seat. I would definitely recommended this amp for those looking for a great 5 channel amp.

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None

The Dalles, OR

Overall
Durability
Value
Features
Design
Usability
Excellent small amplifier for full-system use

May 21, 2012

This amplifier has small enough footprint to fit on the bottom of my subaru forester seat, out of kicking/harms way as well as unseen. It has plenty of power to run 4x decent 6's as wel as a 10" sub (polk db651's and mm1040). Separate inputs for each channel, something that a couple of amps i have seen of similar size dont' have. Overall the system was very bright for my taste- but i'm not sure if that is from the speakers or the amp (not the deck as i have had 2 different decks in and they are the same). Have cut ramping from -2db @ 8khz to -8db at 20khz.

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Brandon

Bellingham, WA

Overall
Durability
Value
Features
Design
Usability
Bang for your buck

January 5, 2012

I do not personally own this amp, however I ordered it for a friend that I did the install for and it was a great buy imo. It had the power he required to run his already purchased Hertz Dieci 6.5s. and had plenty of power for the RE 8 in a custom box. I would recommend this amp to anyone looking for power in a small package. My only complaint is the speaker wire terminals, they alternate +/- which is sort of a pain to deal with, which is why I rate it a 3 for design. Overall appearance is nice.

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Dyedef1966

Pine grove, Pa

Overall
Durability
Value
Features
Design
Usability
Great little amp

November 19, 2011

This is a great little amp to power your whole system. Good sound quality, and plenty of power for your sub as well. I'm glad I bought it. So much power in such a small amp.

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Product Summary

Manufacturer

Model Number

XTX-500.5

UPC

611892980617

Weight

8.02lbs

Internal SKU

xtx5005

Internal Product ID

35816

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: RE Audio XTX-500.5 (XTX500.5)