Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier

Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier — image 1
Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier — image 2
Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier — image 3
Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier — image 4
Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier — image 5
85%
94%
Power Output
92%
Sound Clarity
88%
Installation Ease
58%
Heat Management
91%
Build Quality
89%
Durability in Harsh Environments
93%
Compactness & Size
90%
Value for Money
85%
Bridge Mode Flexibility
87%
Filter Precision
72%
Customer Support Experience
80%
Aesthetic Design
More

Overview

The Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier is a versatile and high-performance audio solution. This compact amplifier delivers an impressive 1000W peak power, making it ideal for those who want powerful sound in a range of environments. Whether you're outfitting a vehicle, boat, or off-road vehicle, this amplifier offers a sleek, efficient solution. Thanks to its Class D design, it offers both durability and energy efficiency, making it a solid choice for users who need a reliable, powerful audio system without taking up much space.

Features & Benefits

This amplifier stands out with its bridged mode capability, which allows you to run 250W x 2 at 4 ohms for more power flexibility. The variable high- and low-pass filters enable precise tuning, giving users full control over the frequency range. Its silver chassis with customizable top plates offers an aesthetic touch while ensuring durability with an aluminum alloy build. Designed for tough conditions, it’s built to withstand the elements, making it a reliable option for off-road or marine use. The compact size means it fits easily into tight spaces, making installation simple.

Best For

The Soundstream amplifier is perfect for those who are passionate about car audio or need a durable sound solution for outdoor environments. Whether you are enhancing your vehicle’s audio, equipping a boat, or upgrading your ATV or golf cart, this amplifier delivers power and clarity in harsh conditions. It's also ideal for users who want a compact, easy-to-install amplifier without sacrificing sound quality or power. With its versatile design and robust features, it's a great fit for those seeking high-performance audio in a variety of settings.

User Feedback

The feedback for this amplifier is generally positive, with users praising its power output and clarity, particularly in demanding environments. Many users have noted the easy installation process and appreciate the compact size that doesn’t take up too much space. However, some users have expressed concerns about heat generation, particularly when the amplifier is pushed to its limits. While this is something to be mindful of, most reviews highlight its performance, flexibility, and value for money, making it a solid choice for many audio enthusiasts.

#Marine Amplifiers
#Marine Electronics
#Car & Vehicle Electronics
#Electronics

Pros

  • The amplifier delivers powerful sound with a peak output of 1000W, making it great for high-performance audio systems.
  • Compact design allows for easy installation in vehicles, boats, and other off-road applications.
  • Bridged mode offers flexibility by providing 250W x 2 at 4 ohms, catering to different setup needs.
  • Variable high- and low-pass filters allow for precise tuning of audio, enhancing overall sound quality.
  • Durable aluminum alloy chassis ensures this amplifier can withstand harsh environments, such as outdoor or off-road use.
  • Installation is straightforward and users report a hassle-free experience, even in tight spaces.

Cons

  • Some users have noted that the amplifier generates heat under heavy use, which could limit its longevity in certain setups.
  • There are occasional complaints about insufficient bass response, especially for those seeking a subwoofer-driven system.
  • The amplifier’s design, while compact, may not provide enough flexibility for complex audio configurations with multiple channels.
  • A few reviewers mentioned that the sound clarity starts to degrade when pushing the amp to its maximum output.
  • Not everyone found the switchable top plates particularly useful, as they don’t significantly affect the overall appearance or functionality.
  • Users who require full weatherproofing or resistance to extreme conditions may find this amplifier insufficiently rugged.

Ratings

The Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier has garnered a mix of positive and critical feedback from verified users across multiple languages and platforms. Reviews highlight its strong power output, compact design, and versatile installation options, but concerns about heat generation under heavy use have also been raised. All insights were carefully aggregated after filtering out any spam, bot-generated, or incentivized feedback, ensuring that only authentic user experiences contributed to these scores.

Power Output
94%
Many users appreciate the high power output of this amplifier, which allows it to drive speakers effectively, even in larger vehicles or outdoor environments. The 1000W peak power ensures loud, clear sound, making it ideal for a range of applications from car audio systems to off-road vehicles.
However, some users have noted that the power output can sometimes cause the amplifier to run hot, especially under sustained heavy use. While the performance is strong, this heat generation has led to concerns about potential overheating during extended sessions.
Sound Clarity
92%
Buyers consistently highlight the sound clarity of this amplifier, which ensures a rich, detailed listening experience even at higher volumes. The ability to maintain crisp highs and deep lows, without distortion, is particularly appreciated by those seeking high-quality audio performance in both mobile and marine environments.
On the downside, a few users felt that while the amplifier delivers great sound clarity, bass performance can sometimes be lacking in certain setups. While the device does offer solid output, the bass may not meet the expectations of those who prioritize deep, booming low frequencies.
Installation Ease
88%
Several users note the installation ease of this amplifier, praising how quickly it can be set up in various environments. Its compact size allows it to fit in tight spaces, and the freestanding mounting type gives users flexibility when placing it in their vehicles, boats, or off-road rigs.
However, some buyers report that while the installation process is generally straightforward, wiring can be a bit tricky for those who are new to car audio systems. A few users found the instructions lacking in detail, leading to some initial confusion during setup.
Heat Management
58%
42%
A portion of users noted that the amplifier performs well at moderate power levels without generating excessive heat. This is particularly useful in situations where extended use is needed without interruptions.
The most common complaint about this amplifier is its heat management. Under heavy loads or extended use, the unit can get quite hot, which has led to concerns about potential thermal issues. Some users experienced automatic shutdowns or reduced performance when the temperature rose, making it a notable drawback for those seeking high performance in sustained use.
Build Quality
91%
Users are generally impressed with the build quality, noting that the aluminum alloy chassis and customizable top plates give it a sleek, durable look. The solid construction is designed to withstand the rigors of outdoor use, including exposure to vibrations and harsh conditions in vehicles or boats.
However, a few buyers have mentioned that the silver chassis can scratch easily, especially when handling the unit during installation. While the durability of the construction is praised, users who are particular about aesthetics noted that the scratches are noticeable over time.
Durability in Harsh Environments
89%
Users appreciate the durability of this amplifier, particularly when exposed to challenging environments like boats, off-road vehicles, and ATVs. The aluminum alloy construction is designed to resist rust and corrosion, ensuring longevity even in high-humidity or dusty conditions.
Some users did note that while the amplifier handles typical harsh conditions well, extreme exposure to water or prolonged use in very wet environments could cause potential issues. This makes it less ideal for users looking for a waterproof solution in constant exposure to rain or submerged conditions.
Compactness & Size
93%
The compact size of the amplifier is highly praised for allowing easy installation in a variety of spaces. Its small form factor makes it suitable for tight or limited spaces, such as under seats in cars, boats, or ATVs, providing versatility in both home and outdoor setups.
However, some users felt that the smaller design sacrifices heatsink size, which could affect long-term performance when used at maximum power. While the compact design is convenient, a few buyers wished for a larger, more robust unit to ensure more effective heat dissipation during heavy use.
Value for Money
90%
Many users feel that this amplifier offers excellent value for money, given its performance, features, and durability. The 1000W power output, combined with versatile installation options and solid build quality, provides an attractive option for audio enthusiasts without breaking the bank.
On the other hand, a small group of buyers felt that while the amplifier offers great performance for the price, additional features like Bluetooth or remote controls could have been included at this price point. Some users believe that certain competitors offer similar performance with a few extra features at a comparable cost.
Bridge Mode Flexibility
85%
Users appreciate the flexibility provided by the bridged mode, which allows them to achieve 250W x 2 at 4 ohms, giving them more options for different speaker configurations. This feature is ideal for those who need to customize their audio setup, whether for high-performance systems or more casual listening setups.
However, a few users felt that while bridged mode is a useful feature, it might not offer as much power as some users expect when compared to other amplifiers. Some buyers mentioned that the output seemed to be lower than anticipated, especially when used with certain speakers or under load.
Filter Precision
87%
Buyers who value fine-tuned audio setups appreciate the variable high- and low-pass filters (35-250 Hz) for their ability to deliver precise sound control. These filters allow users to adjust the audio to suit their specific preferences, providing an enhanced listening experience with clearer sound.
While the filters are generally effective, some users felt that the range of filter options (35-250 Hz) may not suit all setups. For users who prefer more detailed or extreme adjustments, the filter range might feel somewhat limiting when trying to dial in the exact sound they want.
Customer Support Experience
72%
28%
Some users found that the customer support for the amplifier was responsive when issues arose. A few buyers were satisfied with the quick turnaround time for warranty claims and troubleshooting advice.
However, a number of buyers reported frustration with the customer service experience. Some mentioned long wait times and unresolved issues after reaching out. This left some users feeling that post-purchase support could be improved.
Aesthetic Design
80%
20%
The amplifier’s sleek, modern design with a silver aluminum alloy chassis and customizable top plates gives it an attractive look. Many users appreciate the ability to switch between black and white top plates to match their vehicle’s interior or their personal aesthetic preferences.
On the downside, a few users felt that the finish could be more durable, particularly in environments prone to scratching or wear. While the design is visually appealing, some found that scratches appeared quickly, affecting the overall look of the unit over time.

Suitable for:

The Soundstream ST4.1000DB Stealth Series 1000W Class D 4-Channel Amplifier is ideal for car audio enthusiasts and those looking to enhance their vehicle or boat audio systems with high power and clarity. Its compact design makes it perfect for users with limited installation space, such as in cars, ATVs, or boats. People who need a reliable amplifier for outdoor use will appreciate its durability, while the flexible bridged mode and adjustable filters cater to users who value audio precision. This amplifier offers a great solution for those seeking high-performance sound without compromising on space or build quality.

Not suitable for:

This amplifier may not be the best option for users who require extended high-load performance in very demanding environments. Some users have reported concerns with heat generation during prolonged use, making it less suitable for setups that demand continuous, heavy-duty operation. Additionally, users who prioritize deep bass performance or those seeking an amp with more advanced features (like Bluetooth connectivity or remote control) might find this unit lacking. It's also not the ideal choice for those seeking waterproof or fully weather-resistant solutions, as it's best suited for more standard environmental conditions.

Specifications

  • Power Output: Delivers a peak power output of 1000W, ensuring robust sound performance.
  • Channels: Features a 4-channel configuration for versatile audio setups.
  • Bridged Mode: Offers 250W x 2 output at 4 ohms in bridged mode for increased flexibility.
  • Impedance: Supports speaker impedance between 2 and 4 ohms for compatibility with various speakers.
  • High-Pass Filter: Variable high-pass filter range from 35 to 250 Hz for customized audio tuning.
  • Low-Pass Filter: Variable low-pass filter range from 35 to 250 Hz to optimize bass output.
  • Filter Slope: Features a 12 dB/octave filter slope for efficient frequency management.
  • Chassis Material: Built with a durable silver aluminum alloy chassis for added strength and heat dissipation.
  • Mounting Type: Designed as a freestanding unit, allowing flexible installation options.
  • Top Plate: Comes with a switchable top plate in black or white for customizable appearance.
  • Dimensions: Measures 7.5 x 3.88 x 1.5 inches, making it compact for installation in tight spaces.
  • Weight: Weighs 2.1 pounds, ensuring a lightweight but sturdy build for easy handling.
  • Voltage: Operates with a standard 12V DC input, typical for automotive and recreational use.
  • Efficiency: Class D design ensures high efficiency and low heat generation, maximizing performance.
  • Durability: Constructed to endure harsh conditions, ideal for use in vehicles, boats, and off-road environments.
  • Warranty: Backed by a manufacturer warranty, providing peace of mind for buyers.
  • Compatibility: Compatible with various car audio, boat, and off-road vehicle systems.
  • Heat Management: Engineered to dissipate heat effectively, although some users report heating under heavy loads.
  • Audio Clarity: Delivers clear and distortion-free sound at high volumes, praised for its power and clarity.

FAQ

This amplifier's durable aluminum alloy chassis is designed to withstand harsh environments, making it ideal for outdoor installations in vehicles, boats, and off-road setups.

Installation is straightforward, especially due to the amplifier's compact design. Simply connect it to your vehicle's audio system, ensuring that you use proper wiring for the power and speaker outputs. It's best to mount it in a location with good ventilation to avoid overheating.

Yes, the amplifier is built to handle the vibrations and moisture common in boats, ATVs, and other off-road vehicles. Its robust design ensures that it performs well in these environments.

This amplifier delivers a peak power output of 1000W, providing strong and reliable sound for most car, boat, and off-road audio setups. It’s especially suitable for users who need high performance for bass-heavy music or high-volume audio.

The bridged mode enables the amplifier to provide 250W x 2 at 4 ohms, allowing for more flexibility in powering speakers, especially in more complex audio systems where higher wattage per channel is needed.

The variable filters (35-250 Hz) allow you to fine-tune your audio for optimal sound quality. The high-pass filter eliminates low-frequency noise from your system, while the low-pass filter ensures that the bass is delivered without distortion, enhancing clarity and balance.

While this amplifier provides ample power for most applications, some users have noted that it may struggle to deliver the deep bass required for extreme subwoofer setups. It is best suited for general audio systems, but may not fully satisfy those seeking heavy subwoofer-driven bass performance.

Some users have reported that this amplifier generates heat when used at high loads for extended periods. To prevent overheating, ensure that it's installed in a well-ventilated area, especially when operating at maximum power.

No, this amplifier is designed to work with an impedance range of 2-4 ohms. Using it with speakers that have a lower impedance could potentially damage the amplifier or cause it to overheat.

The amplifier measures 7.5 x 3.88 x 1.5 inches and weighs 2.1 pounds, making it compact and easy to install in most spaces without taking up much room in your vehicle or boat.