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Jensen Power 400.2

400W Max, 2-Channel Class AB Car Amplifier with Black Gloss Finish (Power4002)

  • 5.0

(1 review)

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$79.99

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$59.99

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Why Shop Sonic?

Find the right amplifier for your subwoofers
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Customer Testimonial

Called and spoke with Adam G. and he was extremely helpful and patient. He made some very good points as to product selection and kept me from ordering a couple of items that would not have worked in my application. Thanks Adam for all you assistance and SonicElectronix for your great pricing.

- Scott from Mandeville, LA

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  • 2-Channel Power Series Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 75 watts x 2 chan.
    • 2 ohms: 100 watts x 2 chan.
    • Bridged, 4 ohms: 200 watts x 1 chan.
  • Max power output: 400 watts x 1 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and standby/fault (red) indicators
  • Variable bass EQ (0-12 dB @ 45 Hz)
  • Soft Start Turn-on
  • 2/1 Channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, DC-Offset, and speaker short protection)
  • Heavy duty extruded heatsink for extreme heat dissipation
  • High current bi-polar output transistors
  • Optimized class AB design minimizes distortion and reduces idle current
  • High pass / low pass / full range selector switch
  • Chrome-plated RCA level inputs
  • Chrome-plated screw terminals
  • Variable High-Pass Filter (40-300 Hz, 12 dB/octave)
  • Variable Low-Pass Filter (40-300 Hz, 12 dB/octave)
  • Signal-to-Noise Ratio: >100 dB
  • Channel Separation: >60 dB
  • Frequency Response: 500-60,000 Hz
  • Variable Input Level: 400mV - 5V
  • THD (Total Harmonic Distortion): 0.02%
  • Fuse Rating: 1 x 25 amps
  • Dimensions: 9"D x 9-1/2"W x 2-1/2"H
  • 8-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

Product History:

Jensen Power 4002 thumbnail
(newest, current model)
Jensen Power-400 thumbnail
(previous model, replaced by Jensen Power 400.2)
Power Specifications - Full Range Channels
RMS Power @ 4 ohms 75 watts x 2 channels
RMS Power @ 2 ohms 100 watts x 2 channels
Bridged RMS Power 200 watts x 1 channels
Peak Power Output 400 watts x 1 channels
Amplifier Specifications
Amplifier Class AB
Number of Channels 2
Total Peak Power Output 400 watts
Total RMS Power Output 200 watts
Maximum Input Gauge Size 8 AWG
Minimum Impedance Unbridged 2 ohms
Minimum Impedance Bridged 4 ohms
THD at Rated RMS Power 0.02%
Speaker Level Inputs Yes
Preamp Outputs 1 pair
Built-in Crossover Low-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency 40 - 300 Hz
Low-Pass Crossover Frequency 40 - 300 Hz
Signal-to-Noise Ratio >100 dB
Channel Separation >60 dB
Bass Boost 0 - 12 dB
Bass/Gain Remote No
Fan Cooled No
Fuse Rating 25A x 1 
CEA-2006 Compliant No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for Jensen Power 400.2
Average Customer Rating is 5.0 out of 5 stars:
  • 5.0
based on 1 Review
Share your thoughts with others:
Rating Distribution:
5 star:
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100%
4 star:
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0%
3 star:
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2 star:
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1 star:
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what's this?
Average Attributes Rating:
Durability
  • 5.0
5.0
Value
  • 5.0
5.0
Features
  • 5.0
5.0
Design
  • 4.0
4.0
Usability
  • 5.0
5.0
what's this?
Most Helpful Customer Reviews:
June 27, 2012 PRETTY GOOD AMP
Review by
tmart16 from Montreal. Qc, Canada
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 4.0
Usability
  • 5.0
Bought this cheap ass amp for riding my 12" Kenwood 200watts rms Subwoofer. WOW!!! FOR THE PRICE YOU'LL GET WHAT YOU NEED!!! It is not getting that hot and also it is so small that you can put it in any place you want.



For the price, I think nothing can beat that amp!!!
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Main Product
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Jensen Power 4002 Jensen Power 400.2 $59.99

Product Summary

Manufacturer: Jensen
Model number: Power 4002
UPC: 043258304865
Weight: 4.60 lbs
Internal SKU: power4002
Internal product ID: 37042