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Soundstream :: REF4.400 :: $189.00

Soundstream REF4.400

Item# 21824

400W RMS 2-Channel Class A/B Reference Series Power Amplifier


Sorry, this product is no longer available.
  • Power Handling
    • 70 Watts RMS x 4 @ 4 ohms
    • 100 Watts RMS x 4 @ 2 ohms
    • 200 Watts RMS x 2 Bridged @ 4 ohms
  • Regulated MOSFET power supply
  • RUBI (Rapid-use branched impulse) proprietary power supply technology
  • STACT (stabilized apex current technology) reduces power supply stress by 50%
  • Trident amplifier power technology
  • Auto high-current, regulates power supply load for application
  • Triple darlington output circuitry
  • Hawkins bass control: proprietary bass equalization
  • Drive delay II eliminates turn-on & turn-off pops
  • Ultra-low ESR capacitors for rapid power delivery & dynamic transient peaks
  • Tri-mode operation
  • Damping Factor: >1000
  • Signal-to-noise ratio: >110dB
  • 180 degree phase control
  • 30-80hz hawkins bass boost
  • 200mV-9V input voltage
  • 4ga. Power & 8ga direct wire terminal
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.

Do you own this product?  Write a review

   mday74 From ormond beach,fla

Alot of people talk bad about soundstream,this is one of the finest amplifiers I have ever owned.sound quality,power,just sexy,too bad they discontinued them. Get one while you still can!


   Kenny From Virginia Beach, VA
Soundstream has really come out with an amazing amp. I've been waiting for them to bring back the Reference amps since I bought my first one back in 1994. This amp's sound is very clean and just powerful enough to bring my Boston Acoustic SX-60 component speakers to concert hall realizm. Soundstream has turned an amazing amp to begin with to simply mind blowing. You will not regret buying this amp. Everybody you know will be jelouse.