- Home Page /
- Electronics /
- Car & Vehicle Electronics /
- Car Electronics /
- Car Audio /
- Subwoofers /
- Component Subwoofers /
- Harmony Audio 4X HA-ML181 Monolith 18 Competi...
0 ratings
Item #:
84900334
Harmony Audio 4X HA-ML181 Monolith 18 Competition SPL Sub 3500W Dual 1 Ohm Subwoofer
Item #:
84900334
BZD 3825
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, August 29
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
With a peak power handling of 3500W, this subwoofer is capable of delivering incredibly loud and impactful bass.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Powerful Performance
With an impressive 3500W power handling, this subwoofer delivers deep bass and exceptional sound clarity, perfect for competitive SPL enthusiasts seeking high-quality audio experiences.
Dual 1 Ohm Design
The dual 1-ohm configuration allows for flexible wiring options, maximizing performance and compatibility with various amplifiers, catering to the needs of audiophiles and competition users alike.
Robust Build Quality
Engineered for durability, the monolith design and heavy-duty materials ensure longevity even under rigorous use, providing reliable performance for competitions and everyday listening.
Product Details
| Model Name | HA ML181 |
| Speaker Type | Surround Sound |
| Recommended Uses For Product | Car |
| Compatible Devices | Aftermarket Head Unit, Car Audio System |
| Subwoofer Diameter | 18 Inches (45.7 cm) |
| Unit Count | 1 Count |
| Surround Sound Channel Configuration | 1.0 |
| Color | Monolith - 4 Subs |
| Is Waterproof | FALSE |
| Control Method | Voice |
| Speaker Size | 18 Inches (45.7 cm) |
| Power Source | Corded Electric |
| Woofer Diameter | 18 Inches (45.7 cm) |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 18 Inches (45.7 cm) |
| UPC | 603167656167 |
| Manufacturer | Harmony Audio |
| Item model number | HA-ML181x4 |
| Date First Available | June 24, 2019 |
| Brand | Harmony Audio |
| Speaker Maximum Output Power | 3500 Watts |
| Connectivity Technology | Bluetooth |
| Audio Output Mode | Surround |
| Mounting Type | Car Mount |
| Item Weight | 52 lbs (23.59 kg) |
Who Should Buy?
-
Bass Enthusiasts
Perfect for individuals who prioritize powerful bass in their audio experience, enhancing music and entertainment.
-
Car Audio Competitors
Designed for those competing in SPL competitions, ensuring maximum sound pressure levels for winning performances.
-
Home Theater Systems
Ideal for home theater setups needing deep bass to elevate movie-watching experiences and overall sound quality.
-
Average Listeners
Not suitable for casual listeners who prefer a balanced sound over overwhelming bass and sound pressure.
Product Description
Harmony Audio 4X HA-ML181 Monolith 18 Competition SPL Sub 3500W Dual 1 Ohm Subwoofer
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What makes the Harmony Audio 4X HA-ML181 Monolith 18 Competition SPL Sub unique?
Answer: The Harmony Audio 4X HA-ML181 Monolith subwoofer stands out due to its impressive 3500W power handling and dual 1 Ohm configuration. This design allows for extreme sound pressure levels, making it ideal for competition-grade audio performance. With components engineered for durability and optimal sound quality, users can expect deep and powerful bass that enhances the overall listening experience. Whether you’re a competitive audio enthusiast or just someone who appreciates rich music tones, this subwoofer delivers exceptional clarity and depth. -
Question:
What type of amplifier do I need to pair with the 4X HA-ML181?
Answer: Pairing the 4X HA-ML181 with a suitable amplifier is crucial for achieving its full potential. Given its dual 1 Ohm configuration, an amplifier that can provide ample power—ideally 3500W RMS at 1 Ohm—will allow the subwoofer to perform at its best. Opt for a high-quality class D amplifier to ensure efficiency and low distortion while providing the required power. This setup is perfect for car audio systems or home theater setups where impactful bass is fundamental to the experience. -
Question:
Can I use the Harmony 4X HA-ML181 in a home audio system?
Answer: Yes, the Harmony 4X HA-ML181 can be utilized in a home audio system, especially for those seeking to enhance their bass response significantly. However, it’s essential to match it with a compatible amplifier and a properly designed enclosure to maximize performance. Whether you’re tuning for a home theater experience or a dedicated surround sound setup, this subwoofer can provide the deep, powerful audio needed for an immersive experience. -
Question:
What is the recommended enclosure for the Harmony HA-ML181?
Answer: For optimal performance, the Harmony HA-ML181 should be housed in a well-designed enclosure, typically a ported box that allows for better airflow and maximizes output. A volume of approximately 6 to 8 cubic feet is recommended, keeping in mind that the enclosure should also be tuned to the right frequency range suitable for SPL competition. This setup enhances bass response and allows the subwoofer to reach its full potential, ideal for both competitive users and audiophiles. -
Question:
What kind of sound quality can I expect from the 4X HA-ML181?
Answer: Users can expect exceptional sound quality characterized by deep, thunderous bass and clear sound reproduction. The 3500W capacity ensures that the subwoofer can handle high output levels without distortion, providing clarity even at higher volumes. This makes it suitable for a wide range of music genres, from hip-hop to electronic dance music, where bass is critical. The advanced engineering of the subwoofer components ensures that every note is delivered with precision, making it ideal for audiophiles seeking richness in their sound experience. -
Question:
How does this subwoofer perform compared to other competition-grade subwoofers?
Answer: The Harmony Audio 4X HA-ML181 stands out in the competition-grade market due to its value-to-performance ratio, delivering robust SPL levels without compromising audio quality. Compared to other subwoofers in its class, it offers an impressive power handling capability which translates to deeper, richer sound. Additionally, its construction and design aim to minimize distortion, providing cleaner playback. This makes it an excellent choice for competitors and serious audio enthusiasts looking for an edge in sound clarity and overall output. -
Question:
Is the Harmony 4X HA-ML181 suitable for beginners or is it more for advanced users?
Answer: While the Harmony 4X HA-ML181 is capable of delivering top-tier performance, it is more suited for advanced users who can handle its power requirements effectively. Beginners may find the setup, pairing with the right amplifier and enclosure selection a bit daunting. However, for those willing to learn and invest time into understanding audio systems, this subwoofer can greatly elevate their audio experience, allowing them to explore high-level bass performance. -
Question:
What are the dimensions and weight of the HA-ML181 subwoofer?
Answer: The Harmony HA-ML181 has a substantial size befitting its performance capabilities, with an 18-inch diameter and a considerable weight that adds to its durability. While specific dimensions vary slightly based on design, the overall subwoofer provides a robust build that can handle the vibrations and pressures of high-performance audio environments. Ensuring adequate space in your setup to accommodate this subwoofer is essential for optimal performance. -
Question:
Can I connect multiple 4X HA-ML181 subwoofers together?
Answer: Yes, connecting multiple Harmony 4X HA-ML181 subwoofers is feasible and can significantly amplify your sound system’s bass output. When wiring additional subwoofers, ensure that your amplifier supports the total load, keeping in mind the overall impedance. This setup is perfect for competitive sound setups where extreme SPL levels are the objective, enabling you to create a powerful audio experience tailored to your preferences. -
Question:
Where can I buy the Harmony Audio 4X HA-ML181 Monolith 18 Competition SPL Sub in Belize?
Answer: You can purchase the Harmony Audio 4X HA-ML181 Monolith 18 Competition SPL Subwoofer from Ubuy in Belize. Ubuy offers a convenient online shopping experience, ensuring you can easily acquire this high-performance subwoofer. With their user-friendly platform, you can compare available models and explore additional accessories to complement your audio setup seamlessly.
HarmonyAudio Component Subwoofers HA-ML181x4 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- High power handling (3500W)
- Deep bass response
- Sturdy build quality
- Great sound clarity
- Versatile for competition use
Cons
- Performance may require optimal enclosure
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BZD 3825
Order now and get it around Saturday, August 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Peak power handling of 3500W for extreme loudness.
- Dual 1 ohm voice coils for flexible wiring configurations.
- High-excursion design for deep and accurate bass reproduction.
- Built with competition-grade components for reliability.
- Requires a properly designed enclosure to reach full potential.
- Ideal for SPL competitions and bass enthusiasts.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.