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Crutchfield

Jensen XA4150

75 x 4 Car Amplifier

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Item #: 110XA4150
 
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Our take on the Jensen XA4150

Jensen

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.

A sound investment: the Jensen XA4150 amp has all the bells and whistles you'd expect from a top-flight amp at a very affordable price.

Top-mounted controls give you quick and easy access to the high- and low-pass variable crossovers. Gold-plated screw terminals and RCA inputs and outputs ensure optimum signal integrity and corrosion resistance. Preamp outputs make it easy to install multiple amplifiers. Adding the XA4150 to a factory system? Speaker-level inputs make it easy to hook up to any radio

Details:
  • 2-, 3-, or 4-channel output
  • Tri-way capable (Tri-Way crossover required)
  • 200 watts RMS x 2 bridged output
  • 100 watts x 4 at 2 ohms
  • requires 4-gauge power and ground leads — wiring and hardware not included with amplifier
  • speaker-level inputs
  • high- and low-pass crossovers, variable from 40-240 Hz, 12 dB/octave
  • 6 dB bass boost at 45 Hz
  • preamp outputs
  • MOSFET power supplies
  • speaker short, thermal overload protection
  • 14"W x 2-5/8"H x 11-1/8"D
  • 1-year warranty

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Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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75 x 4
Peak Power Output (Watts x Channels)
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150 x 4
Power at 2 Ohms (Watts x Channels)
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100 x 4
Bridged Power (Watts x Channels)
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200 x 2
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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20-20k Hz
THD at Rated RMS Power
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0.08%
Signal to Noise Ratio
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100 dB
Input Voltage
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14.4v
Features
Amplifier Class
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AB
Low-Pass Crossover Frequency
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40-240 Hz
Low-Pass Slope (dB/octave)
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12 dB
High-Pass Crossover Frequency
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40-240 Hz
High-Pass Slope (dB/octave)
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12 dB
Bass Boost
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6 dB
Bass Boost Frequency
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45 Hz
Fan Cooled
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No
Fuse Rating
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25 x 2
Speaker Level Inputs
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Molex
Preamp Outputs
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1 pair Gold RCA
Width (inches)
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14
Height (inches)
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2-5/8
Depth (inches)
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11-1/8
Parts Warranty
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1 YEAR
Labor Warranty
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1 YEAR
Product Research
What's in the box?

Download owner's manual

  • Dark blue amplifier with chrome and silver trim with 2- 25-amp bayonet fuses in chassis; 4 self-tapping mounting screws with washers; 2 spare 25-amp fuses; 2 speaker level input harnesses with Molex plug and 11" wires; Package of silica-gel; Manual (English/Spanish/French); Product registration/Survey card

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.

Specifications
Features
Inputs and Outputs

Specifications

Power output: The listed power output is at 14.4 VDC, 20-20kHz

2 ohm output:  100 watts x 4 RMS at 0.1% THD; peak 2 ohm output is 200 watts x 4

Bridged output: At 4 ohms. the output is 200 watts x 2 RMS at 0.1% THD; peak bridged output is 400 watts x 2.

Input impedance: 20 k ohms

Allowable VDC:  10.8 to 15.6

Features

3-way Protection: 1. Short circuit 2. DC offset 3. Thermal overload

MOSFET power supply: For cooler, more stable operation

Extruded aluminum heat sink: For greater cooling

Controls on top of unit (under a clear Plexiglas lid that slides open):

  • Bass boost switches: For channels A/B; C/D: ON or OFF; increases bass by 6dB at 45Hz
  • Level: Two Rotary knobs, one for A/B and one for C/D, variable from minimum to maximum
  • X-over switches: One for A/B one for C/D; you can select Low pass, OFF (full range) or High pass (12dB slope for both)
  • Low pass frequency knobs: One for A/B and one for C/D; Variable knob from 40 to 240 Hz.
  • High pass frequency knobs: One for A/B and one for C/D; Variable knob from 40 to 240 Hz.
  • Mode switch: You can select 4 channel, 3 channel, or 2 channel mode. 

Inputs and Outputs

Left side of unit:

  • Power LED: Green
  • Hi-Level inputs: Molex inputs, one for channels A/B and one for channels C/D for supplied speaker level harnesses
  • RCA preamp inputs: Left and right gold plated RCA inputs, one pair for channel A/B and the other for channel C/D
  • RCA Preamp outputs: Left and right gold plated RCA outputs for connecting another amplifier, one pair for channel A/B and the other for channels C/D. Note that these are pass through and not changed by the crossover settings.
  • Protect LED: Red, illuminates under protect conditions.

Right side of unit:

  • Two 25 amp blade fuse
  • Gold plated terminal strip: For power, remote turn on, and ground
  • Gold plated terminal strip: For loudspeaker output (four speakers total)
 
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Add accessories for the Jensen XA4150

Patch cables take the music from your stereo to the amplifier. Most amp wiring kits don't include them. See all categories & accessories

T-Spec 2-Channel RCA Patch Cables Available in 7 different lengths (14-foot)
20 people say
Your Price: $17.99
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For a more in-depth review and enhanced detailed information on the Jensen XA4150, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_110XA4150/Jensen-XA4150.html ).