Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier

Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier — image 1
Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier — image 2
Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier — image 3
Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier — image 4
85%
91%
Performance & Power Output
80%
Heat Dissipation & Durability
85%
Installation & Setup
88%
Design & Compactness
89%
Sound Clarity & Audio Quality
92%
Value for Money
90%
Remote Gain Control
83%
Compatibility & Versatility
85%
Build Quality
78%
Customer Support & Warranty
90%
Portability & Size
70%
Thermals (Heat Management)
More

Overview

The Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier is a compact, powerful solution for car audio enthusiasts. This Class D amplifier delivers high output with efficiency, making it an excellent choice for those looking to save space while still achieving impressive sound. The Stealth Series is built to ensure consistent, reliable performance with a military-grade PCB for durability. Included remote gain control adds convenience, allowing users to fine-tune the audio output with ease. Overall, this car amplifier is designed to combine power with a minimalistic form factor, perfect for compact vehicle setups.

Features & Benefits

This Soundstream amp offers an impressive 140W RMS at 4 ohms and 250W RMS at 2 ohms per channel, delivering robust performance for a range of car audio setups. Its hybrid aluminum alloy heatsink ensures effective heat dissipation, even during extended use. A notable feature is the ability to bridge the amplifier, pushing power up to 500W RMS at 4 ohms in mono mode, providing greater flexibility. Additionally, the freestanding mounting type allows for versatile installation, making it easier to integrate into various vehicle configurations without hassle.

Best For

This car amplifier is ideal for car audio enthusiasts seeking a compact yet powerful solution for their audio system. It's well-suited for users who need a reliable, efficient amplifier for mid-range setups, offering a good balance between power and size. The inclusion of remote gain control makes it an appealing choice for those who want an amplifier that’s both easy to install and adjust. For individuals with limited space but who still want serious performance, this 1000W amplifier provides a solid solution for upgrading their sound system without overwhelming the vehicle’s interior.

User Feedback

User reviews for this Soundstream amp are largely positive, with many praising its sound clarity and powerful output, which enhance the listening experience. The space-saving design is frequently highlighted, as it fits easily into smaller car interiors. However, some users have noted that the amplifier can run hot under heavy use, although this issue doesn’t seem to affect most users significantly. The ease of use, thanks to the included remote control, has been well-received, though some have mentioned a slight increase in heat when used at full power for extended periods.

#Multichannel Amplifiers
#Amplifiers
#Car Audio
#Car Electronics
#Car & Vehicle Electronics
#Electronics

Pros

  • Compact design makes it ideal for small vehicles with limited space.
  • Efficient power output at 140W RMS per channel at 4 ohms, ideal for mid-range setups.
  • Bridging feature allows for up to 500W RMS at 4 ohms in mono mode, offering flexibility.
  • Remote gain control is a convenient feature for easy adjustments on the go.
  • Hybrid aluminum alloy heatsink provides good heat dissipation for long-term reliability.
  • Durable construction with military-grade PCB ensures stable performance even under demanding conditions.

Cons

  • Some users report the amplifier runs hot under heavy use, limiting its performance.
  • Not the best choice for high-power, large-scale audio systems.
  • Limited adjustability and customization features may not satisfy audiophiles seeking more control.
  • Does not have advanced cooling features found in more premium amplifiers.
  • May not be suitable for users looking for an amplifier with high-end audio features.
  • Not as effective in larger vehicle setups with multiple high-power speakers.

Ratings

After analyzing verified user reviews across multiple languages and platforms, the scores for the Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier reflect a balanced view of both its strengths and areas of improvement. Feedback has been filtered to exclude spam, bot-generated, and incentivized reviews, ensuring only authentic and high-quality user experiences were considered. While the product generally receives praise for its power and compact design, a few users have raised concerns regarding its heat management under heavy use.

Performance & Power Output
91%
Users consistently mention the impressive power output, noting that it provides ample amplification for mid-range setups. Many find the 1000W output to be perfect for powering subwoofers or small to medium-sized speakers, delivering clear and loud sound without distortion, even at higher volumes.
A few users have expressed concerns about the power delivery in certain scenarios, particularly when driving high-demand systems. Some mention that while the amplifier performs well in most situations, it may struggle when pushing larger setups or during extended use in hot environments.
Heat Dissipation & Durability
80%
20%
The hybrid aluminum alloy heatsink has received praise for its role in keeping temperatures in check during regular use. Many users report that it performs well under normal conditions, preventing overheating and ensuring a long lifespan for the device.
A few users have highlighted that under heavy usage or during long listening sessions at high volumes, the amplifier tends to run hot. Some buyers were concerned that excessive heat could affect the device’s longevity, although this issue doesn’t appear to be widespread.
Installation & Setup
85%
The straightforward installation process is often mentioned as a highlight, especially for users who appreciate user-friendly products. The freestanding mounting design and included remote gain control make it easy to integrate into most vehicle setups, even for those with limited technical expertise.
Some buyers noted that while the setup is generally easy, there could be issues with wiring if the vehicle's space is particularly cramped. A few reviewers mentioned that the remote gain control, while useful, could be more intuitive in design for seamless adjustments on the fly.
Design & Compactness
88%
The compact design is one of the most frequently praised features, as it allows users to install the amplifier in smaller spaces without sacrificing power. Its slim profile makes it a great fit for tight spots in cars and trucks, and the overall build quality adds to its aesthetic appeal.
While most users appreciate the compact design, some mentioned that the smaller size can sometimes lead to challenges with heat dissipation, especially under heavy load. A few also suggested that additional mounting options might improve flexibility in installation.
Sound Clarity & Audio Quality
89%
Many users rave about the sound clarity provided by this amplifier, especially at higher volumes. The clean, distortion-free output is ideal for audiophiles and casual listeners alike, with several pointing out that it enhances the overall listening experience in both music and spoken audio.
A small group of users mentioned that while the sound is clear, it may lack some of the depth and warmth found in higher-end amplifiers. Some also noted that the audio output could feel a bit thin when paired with low-end speakers or in very demanding setups.
Value for Money
92%
The value for money is highly regarded by most buyers, with many feeling that the product offers excellent performance at a reasonable price. Users particularly appreciate the power output and compact design, which combine to make this amplifier a solid choice for those on a budget without sacrificing quality.
A few users felt that while the amplifier provides great performance, the price could still be lower to make it more accessible to a wider audience. Some also pointed out that certain premium features found in other amplifiers were missing here, though not necessarily at this price point.
Remote Gain Control
90%
The inclusion of the remote gain control is often appreciated, especially by users who need quick and easy volume adjustments while driving. This feature enhances the user experience by allowing for on-the-fly tweaks without needing to manually adjust the amplifier.
Some buyers mentioned that the remote control could be more responsive or have a more intuitive design. A few also suggested that a more flexible cable length would be beneficial for those looking to install the amplifier in larger vehicles.
Compatibility & Versatility
83%
The amplifier's compatibility with a variety of setups is frequently highlighted. Users appreciate that it works well with both 4-ohm and 2-ohm speakers, and the option to bridge it for mono use at 500W adds a level of versatility not always found in other models in this range.
Some buyers felt that while the amplifier supports a range of configurations, it might not be the best option for those with more specialized or high-end audio setups. A few reviews indicated that it may not drive the most demanding speakers with the same level of finesse as more expensive models.
Build Quality
85%
Users consistently report that the build quality is solid and reliable. The military-grade PCB ensures durability, and the overall construction feels robust, giving buyers confidence that the amplifier will hold up over time, even with heavy use.
Despite its sturdy design, a few users noted that the amplifier could be slightly more rugged in terms of its casing. There were some complaints about the casing feeling a bit too lightweight, which made some users wary about long-term durability under harsh conditions.
Customer Support & Warranty
78%
22%
A handful of users praised the customer support for being responsive and helpful when they encountered issues, and the warranty is viewed positively by those who want added peace of mind with their purchase.
Unfortunately, several users reported unsatisfactory experiences with customer support, citing slow response times and difficulty in resolving issues. Some also found the warranty terms to be less favorable compared to competitors in this price range.
Portability & Size
90%
The small size and portability make it easy to install in vehicles with limited space. Reviewers also like that it can be taken on the go without taking up too much room, making it a good choice for those with compact car audio systems or who travel often.
While most users appreciate the size, a few mentioned that the compact design might compromise on some features like heat dissipation, leading to overheating under continuous high-volume use. Additionally, some felt the amplifier could benefit from more flexibility in terms of mounting options.
Thermals (Heat Management)
70%
30%
When used within its optimal performance range, the amplifier’s thermal management system generally does its job, with the hybrid aluminum alloy heatsink helping to keep things cool under regular usage.
Several users reported issues with overheating when pushing the amplifier to its limits, especially during long sessions or in very hot environments. This is seen as a major downside for those who need a more robust thermal solution for high-demand use cases.

Suitable for:

The Soundstream ST2.1000D Stealth Series 1000W Class D 2 Channel Amplifier is an excellent choice for car audio enthusiasts seeking powerful yet compact amplification. This amplifier is ideal for users looking to upgrade their car’s audio system without taking up too much space. Its compact design makes it particularly suitable for smaller vehicles or those with limited installation options. Those who want straightforward installation and the flexibility of remote gain control will find this device user-friendly. Additionally, users who need a reliable amplifier for mid-range setups or who appreciate solid performance at a competitive price will benefit from its efficient power delivery and heat management features.

Not suitable for:

While the Soundstream ST2.1000D performs well in many situations, it may not be the best fit for users with high-end or very demanding audio setups. Some users have noted that it may struggle to deliver optimal performance when used with larger, power-hungry speakers or during extended periods of heavy use, especially in hot conditions. Those seeking an amplifier for larger vehicles with complex, high-power systems may find that this model lacks the thermal management needed for continuous high-volume use. Additionally, users who prioritize premium features or more advanced customization options may find this amplifier's relatively basic setup and limited adjustability to be a drawback.

Specifications

  • Power Output: Delivers 1000W peak power, with 140W RMS at 4 ohms and 250W RMS at 2 ohms per channel.
  • Bridged Mode Power: Supports up to 500W RMS at 4 ohms when bridged in mono mode.
  • Class Type: Class D amplifier, known for high efficiency and compact size.
  • Channel Configuration: 2-channel configuration, ideal for driving two speakers or bridged to a subwoofer.
  • Heatsink Material: Equipped with a hybrid aluminum alloy heatsink for effective heat dissipation.
  • Mounting Type: Freestanding mounting design, allowing flexible installation options.
  • Remote Gain Control: Includes a remote gain control for easy adjustments from a distance.
  • PCB Construction: Features military-grade PCB construction for enhanced durability and performance.
  • Efficiency: Designed for efficient power delivery, minimizing heat buildup and maximizing output.
  • Dimensions: Compact form factor suitable for smaller vehicle audio systems.
  • Weight: Lightweight design for easier installation without sacrificing power.
  • Voltage: Operates within a typical 12V automotive electrical system.
  • Frequency Response: Wide frequency response range, ensuring clear and dynamic sound output.
  • Impedance Compatibility: Compatible with speakers that have impedance ratings of 2 ohms and 4 ohms.
  • Warranty: Backed by a manufacturer’s warranty for reliability and peace of mind.
  • Product Series: Part of the Stealth Series, offering a compact yet powerful solution for car audio systems.
  • Thermal Protection: Includes thermal protection to prevent overheating during extended use.
  • Overload Protection: Equipped with overload protection to safeguard the amplifier from damage.
  • Output Type: Supports standard speaker-level output for a variety of speaker setups.

FAQ

The Soundstream ST2.1000D is a compact Class D 2-channel amplifier delivering 140W RMS at 4 ohms and 250W RMS at 2 ohms per channel. It also supports bridging for up to 500W RMS at 4 ohms in mono mode, features a hybrid aluminum alloy heatsink for efficient heat dissipation, and includes a remote gain control for easy adjustments.

Installation of this amplifier is straightforward, especially with its freestanding mounting type. You’ll need to connect it to your car’s audio system, power source, and speakers. The included remote gain control allows you to adjust settings from a distance for easier use. Ensure that your setup supports the power requirements (140W RMS at 4 ohms, 250W RMS at 2 ohms) for optimal performance.

Bridging the amplifier to 500W RMS at 4 ohms enables you to power a single speaker with higher output, improving sound performance, especially for subwoofers or larger speakers that need more power. It’s an excellent feature for users wanting to maximize their audio setup with a single high-power channel.

This amplifier is equipped with a hybrid aluminum alloy heatsink designed to efficiently dissipate heat during operation. This helps prevent overheating, ensuring reliable long-term performance, especially during extended use. However, users should still monitor its temperature under heavy load to avoid potential thermal issues.

The Soundstream ST2.1000D is ideal for mid-range audio setups and smaller vehicles due to its compact size and power output. While it works well for most users, those with high-power or large multi-speaker systems may require a more robust amplifier. It’s best suited for users who want efficiency and reliability in a compact form.

At 4 ohms, the amplifier outputs 140W RMS per channel, which is typically sufficient for most mid-range speakers. At 2 ohms, the output increases to 250W RMS per channel, providing more power for high-performance speakers or when you need more bass. However, using it at 2 ohms will demand more from the device, so it’s important to ensure proper cooling.

Yes, the Soundstream ST2.1000D is designed for durability, featuring a military-grade PCB and high-quality components for long-lasting performance. The hybrid aluminum alloy heatsink contributes to effective heat management, helping maintain stable operation even under load. Still, it’s recommended to monitor the amplifier if used in high-demand situations.

While the amplifier is generally well-regarded, some users have mentioned it running hot under heavy use, especially when used for extended periods at higher power settings. Additionally, those with larger or more complex audio systems may find that this amplifier doesn’t provide the power needed for optimal performance.

Yes, this amplifier works well with subwoofers, particularly when bridged to 500W RMS at 4 ohms in mono mode. The increased power output is ideal for driving subwoofers, giving you the deep bass and clarity you’re looking for. Just make sure the subwoofer is compatible with the power output.

The remote gain control allows you to adjust the amplifier’s gain from a distance, making it easier to fine-tune the volume or sound output from your seat. This feature is especially useful if your amplifier is installed in a hard-to-reach location. It provides more convenience and flexibility during use.