Dual's XPA Series amplifiers add punch and power to your vehicle's audio system, so you experience all the benefits of an outboard amp without losing a week's salary. You'll enjoy the clean sonic details and pulse-pounding impact that your receiver's built-in amp just can't deliver.

The Dual XPA2500 delivers 50 watts RMS each to a pair of speakers — plenty to get your car crankin'. Or, if you need some bass, you can bridge the XPA2500 to 1-channel mode to run a sub with up to 150 RMS watts of power. Frequency filters and a bass boost allow you to tune your XPA amp to your speakers, so you can achieve sonic superiority in your listening environment.

Product Highlights:

  • 2-channel car amplifier
  • 50 watts RMS x 2 at 4 ohms (75 watts RMS x 2 at 2 ohms)
  • 150 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode)
  • variable high- and low-pass filters
  • variable bass boost (0-12 dB at 45 Hz)
  • class AB output design
  • CEA-2006 compliant
  • preamp and speaker-level inputs
  • fuse rating: 25A x 1
  • 10-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 9-1/16"W x 2-1/16"H x 9-3/4"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Hands-on research

What's in the box?

Download owner's manual

  • 2-Channel amplifier (25A ATO fuse inserted in chassis)
  • Spare 25A ATO fuse
  • 4 Mounting screws
  • 4 Flat washers
  • 12" Speaker-level input harness
  • Installation/Owner's Manual

Product Research

Features
Controls
Connections

Features

CEA 2006 Compliant: The XPA2500's power ratings are measured according to the strict standards dictated by the Consumer Electronics Association (CEA). These standards allow you to accurately compare the rated power output of all CEA 2006-compliant amplifiers, even if they come from different brands. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging.

2/1-Channel Amplifier: The Dual XPA2500 can be set up for stereo or mono-bridged operation.

2-Ohm Stable: The Dual XPA2500 amplifier can handle down to 2-ohm loads in stereo operation and 4-ohm loads in mono-bridged operation.

LED Indicator: The LED indicator illuminates green during normal operation (Power), and red when the amplifier detects a fault (Protect).

Protection Circuitry: The amplifier features protection circuits that will turn the amp off in case of the following events:

  • Speaker output contacts ground
  • Speaker wire short-circuits
  • Speaker load less than 2-ohms (stereo), or less than 4-ohms (bridged)

Controls

Input Sensitivity Rotary Control: The input level control (gain) is used to obtain the best possible matched between your headunit's output level and the amplifier's input level. 200 mV-6V

Crossover Mode: The amplifier's built-in variable crossover allows you to filter out frequencies above or below a certain point. You can choose between a low-pass crossover, high-pass-crossover, or full-range crossover.

Crossover Frequency: This control allows precise adjustment of the low-pass or high-pass crossover frequency. This can be adjusted between 50 and 500 Hz. The crossover slope is rated at 12dB/octave.

Bass Boost Rotary Control: You can apply a bass boost of up to +12dB at 45Hz.

Connections

12-Volt Power: The amplifier is equipped with a 12-volt power screw terminal which will accept up to 4 gauge wire.

Ground: The amplifier is equipped with a ground screw terminal which will accept up to 4 gauge wire.

Remote Turn-On: The amplifier is equipped with a remote turn-on screw terminal which will accept up to 4 gauge wire

Speaker Outputs: The amplifier features 4 speaker output screw terminals which will accept up to 8 gauge wire.

Line In: The amplifier features one pair of stereo RCA input jacks to connect to your aftermarket headunit.

Speaker-level input: The amplifier features a multi-pin input for use with included speaker level input harness to connect to your factory radio.

Fuse: The amplifier is equipped with a single 25A ATO fuse. The amplifier also comes with a spare fuse.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Dual XPA2500 Reviews

Average Customer Review:

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SOLID

Written By j, oh on Wednesday, September 21, 2011

This is definatly a solid little amp. amps that put out similar power from the big name companies cost twice as much and more. but this thing works just as well. I was first skeptical of the DUAL brand. But have found them to be rock solid. have cranked this thing for hours and it never overheats or fails in any way. for this price its a good deal.

great little amp

Written By robbins, laramie, wy. on Tuesday, March 15, 2011

Crutchfield Customer Review (What's this?)

For an inexpensive little amp this baby pushes hard. Have it hooked up to two FX90's and the clarity is amazing. Would recommend to anyone.

Dual XPA2500

Written By Ray, greensboro, nc on Thursday, November 04, 2010

great little amp (bridged). both power ratings match up perfectly to a kicker comp 10" or 12". Mine is powering a single kicker c124 bridged mounted in a sound ordanance sealed 1.27cu box. Its connected to a pioneer deh4200ub head unit. The head unit has nice sub controls so I cant really say how well it would work a different brand HU, but the gain is turned up 3/4 and bass boost is set at 0db of 12db and the sub is really bumping. If I wanted the roof to bend and parts to shake I could turn gain to max and base boost max and it would still sound good. I ran it for 1hour and it was barely warm on two spots. Its small enough too mount on the side of the base bunker. Even if it only lasts 6-12 months its still a great buy.

AMAZING

Written By Connor, Texas on Sunday, October 31, 2010

This amp is simply crazy! I had it hooked up to 2 6x8 kickers an its clarity is outstanding.
I now have this amp hooked up to an older sony xplode 12" subwoofer and somehow
this little thing pushes that sub harder than a 1000watt sony amp. I do not know how but
it pushes with ease an i know i can blow the subwoofer if i wanted to with this amp.

Get everything you’ll need to enjoy your new Dual XPA2500

You'll need an amp wiring kit to install your new amplifier, as wiring is not included.
Bring the music from your amp to your speakers.
Patch cables take the music from your stereo to the amplifier. Most amp wiring kits don't include them.
Helps protect your car's charging system and improves power handling. Required power and ground wires not included with cap.
The right tools will make the installation easier.
Have your new amplifier put in by a qualified professional in your area.
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