KICKER 51CWQ124 CompQ Q-Class 12" Subwoofer Review: Specs, Pros and Cons
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This kicker 51cwq124 compq q class 12 subwoofer review covers the Kicker 51CWQ124, a 12-inch driver designed for high-output bass. It features a dual 4-ohm voice coil and handles 850 watts RMS continuously. The unit spans 15 inches in width and height, with a mounting depth of 7-1/8 inches. Its frequency response ranges from 20 to 100 Hz. You get a robust build that weighs 29.7 pounds. These specifications define its role in a car audio system. The design focuses on delivering deep, controlled low-end frequencies. It is built for enthusiasts who need reliable power handling. The physical dimensions require careful planning for enclosure installation. This model targets users seeking substantial bass output.
What stands out
- 850 watts RMS power handling for high-volume operation
- Dual 4-ohm configuration for flexible amplifier pairing
- 12-inch woofer size for deep bass extension
- 20–100 Hz frequency response range
Who it fits
Good fit for
You should choose this subwoofer if you are building a high-power car audio system. The 850-watt RMS rating suits setups with robust amplifiers. The dual 4-ohm design works well with many popular amplifier types. If you need a 12-inch driver that fits in standard enclosures, this model fits the bill. The 7-1/8-inch mounting depth allows installation in tighter spaces. It is ideal for listeners who prioritize loud, clean bass over subtle nuance.
Who should skip it
Skip this option if you have limited amplifier power or a small enclosure. The 850-watt RMS requirement means you need a strong amp to drive it properly. If you prefer compact, shallow-mount subs, the 7-1/8-inch depth may be too large. The 12-inch size also demands more space than smaller drivers. Listeners seeking precise, musical accuracy over sheer volume might find this too aggressive. Those with tight budgets may need to consider lower-power alternatives.
Verdict: The Kicker 51CWQ124 delivers high-power bass for serious car audio builds. Its robust specs make it a solid choice for loud, deep low-end performance.
Key specs explained
Woofer Size: 12"
The 12-inch cone diameter determines the physical footprint and low-frequency extension. This size is a common standard for car audio and home theater, offering a balance between deep bass and cabinet size. You get strong output without requiring a massive enclosure. If you have limited trunk or room space, this dimension helps you fit the driver while still achieving impactful low-end performance compared to smaller 8-inch units.
Power Handling: 850W RMS
RMS stands for Root Mean Square, representing the continuous power the subwoofer can handle safely. An 850-watt rating indicates high durability and potential for high volume levels. You need an amplifier capable of delivering this power to drive the unit effectively. This spec helps you match the sub to your amplifier's output. Higher RMS values generally correlate with louder, cleaner bass before distortion occurs, unlike peak power ratings which are often inflated.
Impedance: Dual 4-Ohm
Impedance, measured in ohms, affects how much current your amplifier draws. A dual 4-ohm configuration offers wiring flexibility. You can wire the coils in series for an 8-ohm load or in parallel for a 2-ohm load. This allows you to match various amplifier types. Lower impedance loads can draw more power but require amplifiers that can handle stable operation at low ohms. This spec is critical for ensuring your amplifier and subwoofer work together safely.
Frequency Response: 20 – 100 Hz
This range indicates the lowest to highest frequencies the subwoofer can reproduce. Starting at 20 Hz covers the deepest bass humans can typically hear, essential for movies and music with sub-bass content. The upper limit of 100 Hz ensures smooth integration with main speakers that handle mid-bass. You should check your main speakers' crossover settings to avoid gaps or overlaps in the frequency spectrum. This range confirms the driver is designed for full-range low-frequency reproduction.
Mounting Depth: 7-1/8 inches
Mounting depth is the vertical space the subwoofer requires behind the mounting surface. A depth of 7-1/8 inches is relatively compact for a 12-inch driver. This measurement is crucial for planning enclosures or installing the driver in a vehicle with limited depth. You must ensure your enclosure or vehicle cavity is deep enough to accommodate this dimension. Shallow mounting depths allow for more flexible installation options in tight spaces without sacrificing driver size.
Design and Build Overview
According to the listing, this Kicker 51CWQ124 measures 15 inches in width and height, with a depth of 10 inches. The overall footprint is square, which simplifies cabinet planning for you. You need to account for a mounting depth of 7-1/8 inches, or 18.1 cm. This depth requirement is significant. It dictates the internal volume of your enclosure. You must ensure your box is deep enough to accommodate the magnet structure and voice coil assembly without interference.
The unit weighs 29.7 pounds. This mass suggests a robust internal construction designed to handle high power levels. The listing specifies a continuous power handling of 850 watts RMS. This rating indicates the driver can sustain high energy input without damage. You should pair this subwoofer with an amplifier that can deliver stable current at the rated impedance. The dual 4-ohm voice coil configuration offers flexibility. It allows you to wire multiple units in series or parallel to match your amplifier's output capabilities.
Finish details are not explicitly listed in the provided data. You should assume a standard black or gray cone and surround based on typical Kicker CompQ construction. The frequency response spans from 20 to 100 Hz. This range covers the lower bass frequencies. It ensures you get tight, impactful sound rather than just rumble. The design prioritizes durability and power handling over exotic materials. You get a reliable component for high-output applications.
Installation and Daily Operation
Setting up this subwoofer requires careful attention to your amplifier’s output capabilities. The Kicker 51CWQ124 handles 850 watts RMS continuously. You must ensure your amplifier can deliver this power without clipping. Overdriving the unit may cause damage. The dual 4-ohm voice coil offers flexibility in wiring. You can wire the coils in series or parallel to match your amplifier’s stable impedance load. This allows you to achieve a 2-ohm or 8-ohm total load, depending on your setup needs.
Physical installation involves checking your enclosure space. The unit has a mounting depth of 7-1/8 inches. Your cabinet must accommodate this depth plus the speaker’s overall dimensions. The total height and width are 15 inches, with a length of 10 inches. The weight is 29.7 pounds. You need a sturdy enclosure to support this mass during high-output operation.
In daily use, the subwoofer covers a frequency response from 20 to 100 Hz. This range captures most musical bass frequencies and cinematic effects. You will experience strong output within this band. The 12-inch cone size provides a balance between deep extension and physical footprint. This makes it suitable for both car audio and home theater applications. You should tune your crossover to align with the 100 Hz upper limit for optimal performance. Proper gain staging is essential to maintain clarity at high volumes. The specifications indicate a robust design for sustained high-power listening.
Before you buy this subwoofer
You need an amplifier that can handle 850 watts RMS continuously. The dual 4-ohm voice coil requires a stable load. Check your amplifier’s impedance stability to ensure it can drive two 4-ohm coils in parallel or series as needed. The mounting depth is 7-1/8 inches. You must verify your enclosure has enough internal volume and clearance. The frequency response spans 20 to 100 Hz. This range suits both car audio and home theater setups. You should pair this driver with a sealed or ported box designed for high power handling. Regularly inspect the suspension for wear. Dust covers should remain clean. This model sits among 1 options in our guide. It appeals to users seeking high output from a single 12-inch driver. Ensure your system components match its electrical and physical requirements before purchase.
Check before you buy
- Verify amplifier can deliver 850 watts RMS continuously
- Check enclosure depth allows for 7-1/8 inch mounting
- Confirm amplifier stability with dual 4-ohm load
- Ensure box volume matches subwoofer specifications
The product at a glance
Kicker 51CWQ124 12" Dual 4-Ohm Subwoofer
Best for: high-power bass installations with ample space
- Woofer Size
- 12"
- Power Handling
- 850 Watts RMS
- Frequency Response
- 20 – 100 Hz
- Impedance
- Dual 4-Ohm
- Enclosure Type
- Sealed
- Dimensions
- 10 × 15 × 15.6 inches
View on Amazon: Kicker 51CWQ124 12" Dual 4-Ohm Subwoofer Affiliate link
The Kicker 51CWQ124 is a 12-inch subwoofer designed for deep bass output. It handles 850 watts RMS and covers a frequency range of 20 to 100 Hz. The dual 4-ohm impedance allows flexible amplifier pairing. At nearly 30 pounds, it is a substantial unit. This subwoofer suits users needing high power handling and a wide bass range for home theater or car audio installations.
Pros
- Handles 850 watts RMS for high power output
- Dual 4-ohm coil configuration for versatile wiring
- Frequency response extends from 20 to 100 Hz
- 12-inch woofer size for deep bass reproduction
Cons
- 7-1/8 inch mounting depth requires significant space
- 29.7 pound weight makes installation more difficult
- No included mounting hardware or enclosure listed
Good fit if
- You need a high-power subwoofer for demanding audio setups
- You have ample space for a 7-1/8 inch depth
- You prefer dual 4-ohm wiring flexibility
Skip if
- You have limited enclosure depth under 7 inches
- You require a lightweight subwoofer under 20 pounds
- You need a pre-built enclosure with the unit
Verdict: Kicker 12-Inch Dual 4-Ohm Subwoofer delivers robust power handling and deep bass extension for users with the space and amplifier capacity to support its high specifications.
Specifications side by side
| Spec | Kicker 51CWQ124 12" Dual 4-Ohm Subwoofer |
|---|---|
| Woofer Size | 12" |
| Power Handling | 850 Watts RMS |
| Frequency Response | 20 – 100 Hz |
| Impedance | Dual 4-Ohm |
| Enclosure Type | Sealed |
| Dimensions | 10 × 15 × 15.6 inches |
| Weight | 29.7 pounds |
| Model | 51CWQ124 |
Frequently asked questions
What are the exact physical dimensions of the Kicker 51CWQ124 subwoofer?
The unit measures 15 inches in width and 15.6 inches in height. Its depth is 10 inches, creating a square footprint that simplifies cabinet planning. You should also note the weight is 29.7 pounds. These dimensions ensure it fits standard enclosures while providing a substantial presence for high-output bass performance in your vehicle or room.
How much weight does the Kicker 51CWQ124 subwoofer add to the installation?
The subwoofer weighs 29.7 pounds. This mass is typical for high-power 12-inch drivers designed for robust bass extension. You need to ensure your mounting surface or enclosure can support this weight securely. Proper structural support prevents vibration issues and maintains the integrity of the installation during high-volume operation.
What impedance configuration does this Kicker subwoofer use?
It features a dual 4-ohm voice coil configuration. This setup allows for flexible wiring options to match your amplifier’s capabilities. You can wire the coils in series or parallel to achieve a 2-ohm or 8-ohm load. This versatility helps you optimize power delivery and ensure stable operation with various amplifier types.
Is the Kicker 51CWQ124 suitable for high-power bass installations?
Yes, it is designed for high-output applications requiring ample space. The driver handles significant power to deliver deep, robust bass extension. You must ensure your amplifier can support its high specifications without clipping. This subwoofer excels in environments where you have the capacity to drive it properly for maximum performance.
What model number identifies this Kicker Q-Class subwoofer?
The model number is 51CWQ124. This identifier corresponds to the 12-inch dual 4-ohm variant in the CompQ Q-Class line. You can use this number to verify compatibility with existing enclosures or to find specific mounting requirements. It distinguishes this high-power unit from other sizes or impedance options in the same series.
Does the Kicker 51CWQ124 have a square footprint for easier cabinet building?
Yes, the width and height are both 15 inches, creating a square profile. This shape simplifies the design and construction of custom enclosures for you. You can plan your internal bracing and driver placement more easily with symmetrical dimensions. This feature reduces complexity when building a box that accommodates its 10-inch depth.