Lowrance Eagle 4X FishFinder with Bullet vs NiesahYan S108 Aluminum Alloy Fish Finder Mount Base, 5.4"
Updated July 2026 — Lowrance Eagle 4X FishFinder with Bullet wins on price and screen size, NiesahYan S108 Aluminum Alloy Fish Finder Mount Base, 5.4" wins on rotation and material.
The Lowrance Eagle 4X FishFinder excels in sonar technology and display quality, making it the better choice for serious anglers. The S108 mount is a solid option for those needing a reliable mounting solution.
Why Lowrance Eagle 4X FishFinder with Bullet is better
Sonar Quality
Eagle 4X offers advanced sonar capabilities.
Display
Eagle 4X has a high-visibility IPS screen.
Warranty
Eagle 4X comes with a one-year warranty.
Why NiesahYan S108 Aluminum Alloy Fish Finder Mount Base, 5.4" is better
Price
S108 is significantly cheaper.
Mounting Flexibility
S108 supports various marine electronics.
Durability
S108 is made of sturdy aluminum alloy.
Overall score
Specifications
| Spec | Lowrance Eagle 4X FishFinder with Bullet | NiesahYan S108 Aluminum Alloy Fish Finder Mount Base, 5.4" |
|---|---|---|
| Sonar Type | Autotuning | N/A |
| Display Type | IPS | N/A |
| Mount Type | N/A | Dual Purpose |
| Compatibility | Lowrance | Multiple Brands |
| Ease of Use | High | Medium |
Dimension comparison
Overview of the Products
The Lowrance Eagle 4X FishFinder with Bullet Transducer is designed for anglers seeking a compact and reliable fishfinding solution. Priced at $119.99, it features a 4-inch IPS portrait screen for clear visibility in various lighting conditions. In contrast, the S108 Aluminum Alloy Fish Finder Mount Base, priced at $29.99, serves as a sturdy mounting solution for various marine electronics, including fish finders. While the Eagle 4X focuses on sonar capabilities, the S108 emphasizes versatility and installation ease.
Design and Display
The Lowrance Eagle 4X FishFinder boasts a high-visibility 4-inch IPS screen, allowing for clear image viewing in sunlight and from extreme angles. This feature is crucial for anglers who need to see the sonar images clearly while out on the water. On the other hand, the S108 mount base is designed with dual-purpose plates and a sturdy aluminum alloy build. It does not have a display of its own, but it offers a solid platform for mounting fish finders or other marine electronics. Essentially, the Eagle 4X prioritizes display quality, while the S108 focuses on robust mounting options.
Features and Functionality
The Eagle 4X is equipped with enhanced sonar capabilities, including autotuning sonar that automatically adjusts settings for optimal performance. This feature simplifies the fishing experience, allowing users to focus on catching fish rather than tweaking settings. In contrast, the S108 mount provides a dual 360° rotation feature, allowing for customizable angles when positioning electronics. While both products serve different purposes, the Eagle 4X excels in fishfinding technology, whereas the S108 offers flexibility in mounting various devices.
Installation and Setup
Installation of the Lowrance Eagle 4X is straightforward due to its reliable twist-lock connector system. This design is ideal for quick installation on small crafts like kayaks or jon boats. Conversely, the S108 mount's installation involves securing the base to a flat surface and then attaching the bracket for the fish finder. The S108’s design aims to simplify the mounting process for various marine devices, making it user-friendly for those who may not be as tech-savvy. So, while both products are easy to set up, they cater to different aspects of the fishing experience.
Price Comparison
The Lowrance Eagle 4X FishFinder is priced at $119.99, while the S108 Aluminum Alloy Fish Finder Mount Base is significantly cheaper at $29.99. This difference of $90 reflects a price disparity of about 75%. For anglers looking for a dedicated fishfinding solution, the Eagle 4X may justify its higher price with its advanced features. However, for those who already own a fish finder and need a reliable mount, the S108 offers excellent value for its lower price point.
Target Audience
The Lowrance Eagle 4X is tailored for serious anglers who prioritize technology and need a reliable tool for locating fish. Its features are designed to enhance the fishing experience, making it suitable for both novice and experienced fishers. Meanwhile, the S108 mount appeals to users who need a durable, flexible mounting solution for their existing fish finders or other marine electronics. This makes it ideal for a broader range of users, from casual fishers to boating enthusiasts.
Performance and Reliability
In terms of performance, the Lowrance Eagle 4X offers reliable sonar readings and a user-friendly interface that aids in locating fish effectively. Its autotuning feature ensures that users get the best sonar readings without manual adjustments. The S108 mount, while not a fishfinder itself, provides a stable and durable base for mounting devices, ensuring that the electronics remain secure even in choppy waters. Thus, while the Eagle 4X excels in performance related to fishfinding, the S108 guarantees the reliability of device placement.
Which should you buy?
Ultimately, the choice between the Lowrance Eagle 4X FishFinder and the S108 Aluminum Alloy Fish Finder Mount Base depends on your needs. If you are in search of a dedicated fishfinding solution with advanced sonar technology and a high-visibility display, the Eagle 4X is worth the investment at $119.99. However, if you already own a fish finder and need a reliable and versatile mounting solution, the S108 at $29.99 is an excellent choice. Each product serves its purpose effectively, making them valuable additions to any angler's toolkit.

