SOUNDTUBE SM3I-EZ Speakers Subwoofers SM31-EZ-BK

( Brand: Soundtube ), ( Manufacturer Part Number: SM3I-EZ ), ( Type: Wall Speaker ), ( Shape: Sphere ), ( Color: Black ), ( Connectivity: Wired )

Review SOUNDTUBE

The Soundtube SM3i-EZ and SM31-EZ-BK are compact, high-performance subwoofers designed to deliver deep, powerful bass for any music or home theater system. These subwoofers feature a modern and sleek design, making them a great addition to any room in your home.

The SM3i-EZ and SM31-EZ-BK both come with a built-in 100-watt RMS amplifier, ensuring that they can produce ample bass even with smaller receivers or systems. The subwoofers also support automatic room calibration via SoundCal, allowing for optimal bass performance in any space.

The SM3i-EZ measures 8 inches in diameter and 13 inches in height, making it a compact and versatile option for smaller rooms or apartments. It features a front-firing 8-inch driver with a long-throw design, which allows it to deliver deep, accurate bass with minimal distortion. The subwoofer also comes with a removable grille to protect the driver and add a stylish touch to the design.

The SM31-EZ-BK, on the other hand, is a larger model, measuring 10 inches in diameter and 16 inches in height. It features a front-firing 10-inch driver with a long-throw design, which provides even more powerful bass for larger rooms or more demanding home theater systems. This model also comes with a black vinyl grille, adding a sophisticated and elegant look to the subwoofer.

Both the SM3i-EZ and SM31-EZ-BK feature a down-firing port design, which helps to minimize the visual impact of the subwoofer while still providing excellent bass performance. They also come with a variety of connection options, including LFE RCA, speaker level, and line level inputs, making them easy to integrate into any system.

The Soundtube SM3i-EZ and SM31-EZ-BK are not only high-performance subwoofers, but they are also designed with convenience and versatility in mind. Their compact size, built-in amplifiers, and automatic room calibration make them an excellent choice for anyone looking to add powerful and deep bass to their music or home theater system without taking up too much space or requiring extensive setup.

The Soundtube SM3i-EZ and SM31-EZ-BK are compact and affordable subwoofers designed to enhance the bass performance of home theaters and music systems. Here are some pros and cons to help you make an informed decision:

1. Compact and Space-Saving: These subwoofers have a small footprint, making them ideal for those with limited space in their home theaters or listening areas.

2. Easy to Set Up: Both models come with built-in Bluetooth connectivity, making it easy to stream music wirelessly. They also include an automatic room calibration feature that optimizes the sound for your specific room.

3. Affordable: The SM3i-EZ and SM31-EZ-BK are priced lower than many other subwoofers in their class, making them an attractive option for budget-conscious consumers.

4. Versatile: These subwoofers can be used with a wide range of audio systems, including home theaters, gaming systems, and music systems.

5. Decent Bass Performance: Despite their small size, these subwoofers produce enough bass to enhance the sound of most media content.

1. Limited Power: Compared to larger subwoofers, the SM3i-EZ and SM31-EZ-BK have limited power handling capabilities, which may limit their ability to deliver deep, powerful bass in larger rooms or at high volumes.

2. Build Quality: Some users have reported issues with the build quality of these subwoofers, including issues with the grilles and the quality of the wiring.

3. Limited Connectivity: While both models include Bluetooth connectivity, they do not offer other connectivity options, such as RCA or 3.5mm inputs.

4. Limited Customization: The automatic room calibration feature is helpful, but some users may prefer more manual control over the subwoofer settings.

The Soundtube SM3i-EZ and SM31-EZ-BK are compact and affordable subwoofers that offer decent bass performance and easy setup. However, they have limited power handling capabilities and build quality issues, and their connectivity options are limited. If you have a small space and a modest budget, these subwoofers may be a good option for you. However, if you require more power, customization options, or better build quality, you may want to consider a more expensive subwoofer.

If you are looking for a compact and affordable subwoofer for a small home theater or music system, the Soundtube SM3i-EZ and SM31-EZ-BK are worth considering. However, if you require more power, better build quality, or more connectivity options, you may want to consider a more expensive model from a reputable brand. Ultimately, your decision will depend on your specific needs and budget.

Details:

One 3 polypropylene driver with butyl rubber surround Weatherized components for indoor/outdoor applications Theft and corrosion-resistant mounting mechanism an indexed swivel-joint precision aiming in any direction Ultra-low profile Zero Reflection ABS enclosure Corrosion-resistant, powder-coated aluminum grille UL 1480 UEAY approved Black finish. The speaker incorporates a proprietary attachment with indexed swivel-joint for complete hemispherical aiming. Components have been weatherized for indoor/outdoor applications. The speaker is engineered for rapid installation and low profile mounting smaller venues.

The black SM31-EZ 3 Surface-Mount Speaker from SoundTube Entertainment is an 8 surface-mount speaker that incorporates a polypropylene driver with butyl rubber surround. The dimensions of this speaker measure smaller than a 4 sphere. It is suitable for use in retail, restaurants, conference rooms, patio areas, educational facilities or any setting where full-range intelligibility, unobtrusive design and installation ease are paramount.

part #: sm3i prices

• $79.99-$143.99

specifications shuspea:

• brand: Soundtube
• mpn: Sm3i-ez
• type: Wall Speaker
• shape: Sphere
• color: Black
• connectivity: Wired

offer shuspea:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 2
• sold: 0
• started: March 9, 2026

general shuspea:

• TV, Video Home Audio > Home Audio > Home Speakers Subwoofers
• condition: Open box

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• city: Charleston, South Carolina
• # reviews: 3

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• cost: $21.51
• carrier: FedEx
• transit: 4-10 Days
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery
• class: Standard