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The Soundstream ST3.1000D is a three-channel amplifier designed to power your car audio system with clarity and precision. This amplifier can deliver 1000 watts of maximum power output, making it suitable for driving various speakers and subwoofers.
The ST3.1000D features a compact and sleek design, making it easy to install in your vehicle's limited space. It is a class D amplifier, offering high efficiency and low power consumption while providing excellent sound quality. The amplifier utilizes a MOSFET power supply, ensuring stable and consistent power delivery to your speakers.


With its three-channel configuration, the ST3.1000D allows for flexible system setups. It can power a pair of speakers and a subwoofer simultaneously, offering a complete audio solution in a single amplifier. The amplifier features adjustable high-pass and low-pass crossovers, allowing you to fine-tune the frequency response and tailor it to your specific audio preferences.
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This tiny amp works fine when the speakers are connected to it but when I tried to plug my sub, i’m having trouble with its power as it does not seem to be able to push the subwoofer at the level that I needed from it. Really no problem with its sound quality as a 2-ch amp but I have some issue with its power when i use it as a 3 ch
Had it running a pair of 6.5s and a 12 inch sub. I feel like I’m not getting the power output that I was expecting from it. I’m not sure if they match up with their power output or not. Or maybe I’m just expecting too much out of this tiny amp.
This tiny amps stats are a manufacturers lies. I bought this piece of garbage tested it and it resides in its box collecting dust. First this amp is not putting out 100 watts RMS x2 channel with 300 watts RMS for a sub. This amp is more like 50 maybe 75 watts RMS into 2 xhannels and might push a set of tweeters. Total ripp off! I'm shocked Onlinecarstereo is still carrying and selling this.