Infitbo D40CS Review: A Detachable Soundbar with Wired Subwoofer
The Infitbo D40CS is a versatile 2.1CH soundbar system designed for TVs and PCs, offering multiple connectivity options, adjustable bass, and a unique detachable design for flexible placement.
By Elvis Dicki
Updated October 20, 2026
In the crowded market of home audio, the Infitbo D40CS presents itself as a compelling, feature-rich soundbar system that aims to bridge the gap between television and computer audio. This 2.1-channel setup, consisting of a detachable soundbar and a wired subwoofer, is engineered for users seeking immersive, room-filling sound without the complexity or high cost of a full home theater system. It targets a specific audience: those with smart TVs, gaming monitors, or desktop PCs who want a significant audio upgrade from built-in speakers, appreciate flexible placement options, and value a straightforward, wired connection for stable performance. For the price, it delivers a robust set of features including Bluetooth 5.4 streaming, multiple input ports, and tailored sound modes, making it a solid contender for budget-conscious buyers looking to enhance their entertainment experience.
This review will analyze the Infitbo D40CS based on its specifications, design philosophy, and aggregated user feedback, providing a clear picture of its strengths and limitations. The bottom line is that the D40CS is a versatile audio solution that excels in connectivity and customizability, though potential buyers should be aware of its wired subwoofer requirement and lack of support for Dolby Audio formats.
INFITBO 2.1CH Soundbar with Subwoofer Detachable
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Infitbo D40CS at a Glance
| Specification | Detail |
|---|---|
| Audio Channels | 2.1CH |
| Peak Power | 190W |
| Subwoofer | 5.25″ Wired, 12L cavity |
| Connectivity | HDMI ARC, Optical, USB, AUX, Bluetooth 5.4 |
| Sound Modes | Movie, Music, Game |
| Design | Detachable soundbar (31.6″ W x 2.3″ H) |
| Adjustments | Bass +/- , Treble |
| Compatibility | TVs, PCs, Laptops, Projectors, Smartphones, Tablets |
| Warranty | 1 Year Limited |
Design and Build
The Infitbo D40CS distinguishes itself immediately with its flexible physical design. The core soundbar unit is a single, slim bar measuring 31.6 inches wide and just over 2 inches tall, allowing it to sit neatly in front of most televisions without obstructing the screen or the TV’s infrared sensor. Its most notable design feature is its detachable nature; the bar can be separated into two individual tower speakers. This provides users with the option to create a wider stereo soundstage by placing the speakers apart, ideal for a more immersive gaming or movie-watching experience, or to keep it as a unified bar for a cleaner, more compact look under a monitor or smaller TV.
The build, according to the provided specifications and user comments, focuses on functionality. The included wired subwoofer houses a 5.25-inch driver in a 12-liter cavity, which is designed to produce the deep bass the system promises. All connections between the soundbar segments and the subwoofer are wired, a design choice the manufacturer emphasizes ensures stable signal transmission and low latency, which is critical for syncing audio with video during movies and gaming. The system supports both tabletop placement and wall-mounting, adding to its placement versatility for different room layouts.
Performance and Features
Audio Output and Customization
At its heart, the D40CS is a 2.1-channel surround sound system with a stated peak power output of 190 watts. The key to its performance lies in its dedicated, wired subwoofer and adjustable sound profiles. Users can fine-tune the audio to their preference using physical controls or the included remote to adjust the bass and treble levels. This is particularly useful for balancing explosive movie soundtracks or reducing bass for late-night viewing. The system also offers three preset EQ modes: Movie, Music, and Game. These modes are intended to optimize the sound signature for specific types of content, such as enhancing dialogue clarity for films or providing a more immersive soundscape for gaming.
Connectivity and Compatibility
This is arguably the strongest suite of the Infitbo D40CS. It is built to be a central hub for audio from nearly any device in a home office or living room. For traditional TV setups, it offers HDMI ARC (Audio Return Channel) and optical inputs, allowing for a single-cable connection to compatible modern TVs that can control the soundbar’s volume via the TV remote. For computer users, it provides a direct USB audio connection, enabling it to function as an external sound card for a PC or laptop without the need for additional hardware. An auxiliary (AUX) 3.5mm input is also included for older devices.
Complementing these wired options is Bluetooth 5.4 technology for wireless audio streaming from smartphones, tablets, and laptops. This allows for easy switching from watching a movie to playing music from a phone. It is important to note, as the manufacturer specifies, that this model does not support Dolby Audio codecs. Users should verify their TV or source device’s audio output compatibility, particularly regarding ARC or USB audio, before purchase.
Key Feature Integration
The integration of its detachable design with its sound modes creates a adaptable user experience. The combination of a wider speaker placement (when detached) with the Game or Movie mode can significantly widen the perceived sound field. The wired nature of the subwoofer connection, while less convenient for placement than a wireless one, is touted to eliminate wireless interference or pairing issues, providing a consistent and reliable low-frequency response that is crucial for both music and action-packed media.
Setup, Support and Ownership
Setup is described as straightforward. The package includes all necessary cables: power, USB, optical, and AUX, along with an HDMI cable for the ARC connection. Users simply connect the soundbar to their chosen audio source, connect the subwoofer to the soundbar via its provided cable, and plug in the power. The remote control allows for easy switching between inputs and sound modes from a distance.
Ownership support includes a one-year limited warranty. User review excerpts mention positive experiences with manufacturer communication regarding replacements, indicating a responsive support process. As the subwoofer and speaker connections are proprietary and wired, there are no upgrade options for those components. The system is designed as a complete, self-contained unit.
What Owners Say
Owner feedback for the Infitbo D40CS is overwhelmingly positive, reflected in its high average rating. A significant majority of reviews award five stars, praising the system’s value, sound quality, and ease of setup. Many highlight the powerful and adjustable bass from the subwoofer as a standout feature, noting it adds considerable depth to movies, music, and games. The versatility of using the system with both a TV and a PC is frequently mentioned as a major benefit.
Positive comments also commend the stable, lag-free performance attributed to the wired connections and the usefulness of the detachable speaker design. On the critical side, a smaller portion of reviews mention desires for longer connection cables to allow more flexible subwoofer placement and note the absence of Dolby Audio support. A few users received defective units but reported satisfactory resolution through customer support. The consensus is that for its price point, it delivers impressive performance and flexibility.
Pros and Cons
Pros
- Extremely versatile connectivity (USB, ARC, Optical, AUX, Bluetooth)
- Unique detachable soundbar design for flexible placement
- Powerful, adjustable bass from dedicated wired subwoofer
- Stable performance with low latency due to wired inter-unit connections
- Useful preset sound modes (Movie, Music, Game)
- Compact soundbar height doesn’t block TV screens or IR sensors
Cons
- Subwoofer and speaker connections are wired, limiting placement
- Does not support Dolby Audio formats
- Requires checking source device compatibility for ARC or USB audio
- Cable lengths may restrict setup options for some rooms
- Sound quality is dependent on correct source device settings
Who Should Buy It (and Who Should Skip It)
The Infitbo D40CS is an ideal choice for users who need a single audio system to serve dual purposes for their TV and desktop PC. Gamers, movie enthusiasts, and music listeners with medium-sized rooms will appreciate its powerful bass and immersive modes. It’s perfect for those who value a clutter-free setup with multiple connection options and want the stability of wired audio components. Its design is also well-suited for spaces where a low-profile soundbar is necessary.
This system is not the best fit for audiophiles seeking high-resolution audio decoding like Dolby Atmos or DTS:X. Users who require a completely wireless setup, with a subwoofer that can be placed anywhere in the room without wires, should look for models with wireless subwoofers. Those with very large living spaces may need a more powerful system, and individuals whose primary TVs do not support ARC or whose PCs have problematic USB audio drivers should verify compatibility first. For more options in the category, explore our guide on the best soundbars.
Final Verdict
The Infitbo D40CS successfully carves out a niche by offering remarkable connectivity and design flexibility at an accessible point. Its ability to connect directly via USB to a PC is a significant advantage for desktop users, while its HDMI ARC and optical ports make it TV-friendly. The detachable speaker design is a clever touch that adds real value, allowing users to adapt the soundstage to their room and content. While the wired subwoofer may be a drawback for some, it ensures reliable performance that many users prefer over potential wireless dropouts.
Considering its feature set, positive owner feedback, and clear focus on stable, customizable audio for mixed use, the Infitbo D40CS is easy to recommend. It makes few compromises where it matters most for its target audience: sound quality, versatility, and ease of use. It stands as a compelling proof that effective home audio enhancement doesn’t require a complex or prohibitively expensive system. For those curious about other tech gear that enhances a digital lifestyle, check out our Tech Gear section.
FAQs
Does the Infitbo D40CS have a wireless subwoofer?
No, the subwoofer included with the Infitbo D40CS connects to the soundbar via a physical cable. The manufacturer states this wired connection is used to ensure a stable audio signal and low latency, which is important for synchronizing sound with on-screen action in movies and games. The Bluetooth 5.4 capability is for streaming audio from external devices like phones to the entire system, not for connecting the subwoofer wirelessly.
Can I use this soundbar with my computer?
Yes, this is one of its key features. The D40CS can connect directly to a desktop PC or laptop via the included USB cable, functioning as an external sound card. This bypasses the need for a separate audio card or using the AUX port. It also connects via Bluetooth for wireless audio from your computer. For other computer setup ideas, see our reviews of the best ultra-wide monitors.
What does ‘does not support Dolby Audio’ mean?
It means the Infitbo D40CS cannot decode Dolby Digital, Dolby Atmos, or other Dolby-branded audio formats. If your TV, streaming device, or Blu-ray player outputs audio in a Dolby format, this soundbar will not be able to process it correctly, which may result in no sound or distorted sound. The soundbar will work with standard PCM (stereo or multi-channel) audio signals sent via its HDMI ARC, optical, or other ports. You may need to change the audio output settings on your source device to PCM.
How do the detachable speakers work?
The main soundbar unit is designed to physically separate into two individual speaker towers. You detach them, and then each one connects to a central control unit or to each other via the included cables. This allows you to place the left and right speakers further apart, potentially creating a wider and more immersive stereo image than a single bar can provide. You can also leave them attached as a single unit for a more compact setup under your TV.
About the author
Elvis Dicki writes reviews and buying guides for CyberSecLabs.