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Orion XTR2504

500W Max 4-Channel XTR Series Amplifier with Crossover

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  • XTR Series 4-Channel Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 50 watts x 4 chan.
    • 2 ohms: 70 watts x 4 chan.
    • Bridged, 4 ohms: 250 watts x 2 chan.
  • Max power output: 500 watts
  • MOSFET Power supply and output stage
  • Power and protection LED Indicators
  • Adjustable bass boost (0 to 18dB, 45Hz)
  • Low-level RCA Inputs
  • Input sensitivity can be adjusted from 200mV to 8V
  • Thermal, DC offset, short protection and under-voltage protection
  • X-Over (crossover) activates the low-pass, FLAT and high-pass crossovers
  • X-Over frequency control adjusts the frequency for the high- and low-pass filters
  • 6/5/4/3/2 Channel operation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Variable high-pass filter (50-2,000 Hz, 12 dB/octave)
  • Variable Low-pass filter (50-2,000 Hz, 12 dB/octave)
  • Subsonic Filter (12 dB at 24 Hz)
  • Frequency response: 20-20,000 Hz
  • CEA-2006 compliant amplifier
  • Dimensions: 11.5"L x 9.3"W x 2.5"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.
  • 1-year Sonic Electronix 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.

50 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.

70 watts x 4 channels
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.

250 watts x 2 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.
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.
4
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.

500 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.
.05%
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)
Full (AP)
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.
95 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.
0 - 18 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.
No
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
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.

Yes
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
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.5
Value
5.0
Features
4.5
Design
4.5
Usability
5.0
Pop

Franklin

Overall
Durability
Value
Features
Design
Usability
Good deal

December 24, 2012

Good item. Use all the time on long trips. It's in a big truck.

0 of 0 found this helpful

Help our customers find the most helpful reviews

Betavan

San Franicsco, CA

Overall
Durability
Value
Features
Design
Usability
Plenty Of Clean Power

December 8, 2011

I picked this amp up to go along with a new set of Infinity components and an 8" sub. The birthsheet has it rated at 78 watts per channel at 4 ohms X 4 channels. My speakers are 2 ohms, so I reckon there's at least 90-100 watts going to each channel. I have the gain turned up to half on both the sub and the speakers, and there is plenty of pop. What more can I say? For a great deal during the cyber monday sale I got a killer amp to drive my music. The sound is clean (and will be cleaner once I upgrade the RCA cables - the Raptor set I bought here are pretty lame) and you can tell this thing is quality. I like the terminal connections as well, as they are the screw down type versus having to crimp and solder termials on. Orion is a known quantity for me, and so far I am a happy camper. The only thing is wish was different is from an engineering point of view. I was looking at a Kicker 350, and I love how the adjustment screws for gain, bass, etc, are on the top of the unit. This was you can bolt it down without having it completely tuned. I have to take mine off each time I want to adjust, and with the speakers breaking in, it will be a few weeks before I finally have it sorted to where I want it. But a pretty minor gripe, I'll admit it. Great product overall.

0 of 0 found this helpful

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Product Summary

Manufacturer

Model Number

XTR2504

UPC

093207061004

Weight

12.50lbs

Internal SKU

xtr2504

Internal Product ID

20889

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: Orion XTR2504