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RE Audio USX-4250

600W Class AB 4-Channel USX Series Stereo Bridgeable Car Amplifier

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• 250W x 2 Chan. @ 4 ohm
• 450W x 2 Chan. @ 2 ohm
• 900W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Magnetic Induction Drive Power Supply

Learn more about the usx4250

We apologize

This item has been discontinued


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Product Highlights


• 250W x 2 Chan. @ 4 ohm
• 450W x 2 Chan. @ 2 ohm
• 900W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Magnetic Induction Drive Power Supply

Description


RE Audio brand icon

Authorized dealer

General Features:

  • USX Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 100 watts x 4 chan.
    • 2 ohm: 150 watts x 4 chan.
    • Bridged, 4 ohm: 300 watts x 2 chan.
  • Max power output: 1200 watts x 1 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • New stability filter design for reduction in noise
  • Platinum plated RCA inputs and connectors
  • Auto-bridge feature
  • Soft start turn-on
  • 4/3/2 or Mono channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Level: 200mV-8V
  • Variable high-pass filter (40-1,000 Hz, 12 dB/octave)
  • Variable low-pass filter (40-250 Hz, 24 dB/octave)
  • 4 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 9-11/16"W x 15"L x 2-1/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
100 watts x 4 channel
RMS Power @ 2 ohms
150 watts x 4 channel
Bridged RMS Power
300 watts x 2 channel
Amplifier Specifications
Series
USX Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
1200 watts
Total RMS Power Output
600 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
40 - 1000 Hz
Low-Pass Crossover Frequency
40 - 250 Hz
Signal-to-Noise Ratio
85 dB
Remote bass/level controller
No
Fuse Rating
30A x 3 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

USX-4250

Weight:

8.50lbs

Internal SKU:

usx4250

Internal Product ID:

68120

Product and How-to Videos


  • RE Audio USX Series Car Amplifiers
  • RE Audio New Product Line Overview | CES 2015
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


RE Audio USX-4250 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Great Amp!

I have a tundra regular cab and it fit under my seat easy. I have re audio xxx 6.9 and they sound Amazing with these amp.

By Garrett on November 30, 2013

4 found this helpful




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.