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Soundstream ST4.1200D

1200W Max (600W RMS) Micro-Footprint, Stealth Series Class-D 4-Channel 2 Ohm Stable Amplifier

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• 100 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 300 Watts RMS x 2 @ 4 ohm, bridged
• Total Peak Power: 1200 Watts
• High and low pass filters
• Small Footprint Makes for Easy Installation
• Aluminum Heatsink
• 3" W x 7.75" L x 1.5" H

Learn more about the st41200d

We apologize

This item has been discontinued


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Description


Soundstream brand icon

Authorized dealer

General Features:

  • Soundstream Stealth Series ST4.1200D
  • Class-D Full Range 2-Ohm Stable 4-Channel Amplifier
  • Small footprint, big power for your car, UTV, and all kinds of other applications
  • RMS Power Rating:
    • 4 ohm: 100 watts x 4 chan.
    • 2 ohm: 150 watts x 4 chan.
    • 1 ohm: ------------N/A------------
    • Bridged, 4 ohm: 300 watts x 2 chan.
  • Total power output: 1,200watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4/2 channel operation
  • Speaker-level (high-level) inputs
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • High level: 200mV-12V
  • Variable high-pass filter: 50 - 500 Hz, 12 dB/octave
  • Variable low-pass filter: 50 - 500 Hz, 12 dB/octave
  • Fuse Rating: 20 A x 2
  • Power and ground wire included in wiring harness with Molex connector
  • Dimensions: 3"W x 7.75"L x 1.5"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

DISCLAIMER: Images on the product's box shows a remote level control knob. This amplifier DOES NOT include one, nor has an input for one


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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
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
200 watts x 4 channel
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300 watts x 4 channel
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300 watts x 2 channel
Amplifier Specifications
Series
Stealth Series
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
1200 watts
Total RMS Power Output
600 watts
Maximum Input Gauge Size
10 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
50 - 500 Hz
Low-Pass Crossover Frequency
50 - 500 Hz
Remote bass/level controller
No
Fuse Rating
20A x 2 
Total Fuse Rating
40
Strappable
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
What is in the box?
Paperwork
User manual
Brand sticker/decal
WITB: Amplifiers
Amplifier
Mounting screws (4)
High-level input wiring harness w/ molex connectors (2)
Other Accessory #1
Power/ground molex connector
Other Accessory #2
Bridging molex connector
Other Accessory #3
RCA Molex connectors (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

ST4.1200D

Weight:

1.90lbs

Internal SKU:

st41200d

Internal Product ID:

127449

Customer Ratings & Reviews


Soundstream ST4.1200D thumbnail image

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



Durability
4.5
Value
5
Features
5
Design
4.5
Usability
4.5

Customer Reviews

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Small, clean and powerfull

Installed inside the dash right behind the stock radio in a Subaru Crosstrek without major issues.

Great sound once you've got it tuned & the speaker level inputs + signal sensing turn-on make integrating it into the stock system easy.

The only thing that would have made it easier would have been screw terminals instead of wire pigtails.

The one problem I have is probably a Subaru, not a Soundstream issue... after the install, my Starlink (Subaru remote telematics) light is on. This may be due to an interaction between the amp and the DCM (data communications module). I'll have to work this out w/Subaru.

My only complaint about value is that it went on sale the week after I bought it!

By Matt on January 20, 2021

1 found this helpful


Awesome

Massive power for small amp
Very satisfied .. I highly recommend it

By Hawk on October 23, 2021




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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.