JL Audio HO112-W6V3 12W6v3 Single 12" 600W RMS (1200W Peak Power Handling) Subwoofer with High Output Enclosure
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What's Inside?
- • 12" 12W6v3 Single Subwoofer with High Output Enclosure
- • Ported high output enclosure containing one subwoofer
- • Owner's Manual
Why Choose JL Audio HO112-W6V3 Enclosed Car Subwoofer?
Ensure Accurate Bass Performance
This subwoofer system features a powerful 12-inch mineral-fill IMPP woofer in a sleek gray ported enclosure, delivering 600 watts RMS (up to 1200 watts maximum) with a frequency response of 20-200 Hz and 85 dB sensitivity, ensuring deep, rich bass for your audio needs. Designed with a 5-way post connector, it offers impressive performance and durability with dimensions of 14-3/8 inches wide, 16-1/4 inches high, and 23-7/8 inches deep, all while operating at an impedance of 2 ohms.
Superb Sound Quality
Experience powerful bass with the Single 12W6v3-D4 subwoofer, delivering 600 W at 2 Ω in a ported enclosure. Engineered for superb sound quality and impressive output, its high output design and chamber-coupled port enhance performance, while optimized alignment ensures top-tier audio through real-world fine-tuning.
Top-Tier Performance And Style
Shipped wired and ready to connect with a five-way binding post terminal, this subwoofer system features a recessed mounting baffle for added woofer protection (steel mesh grille insert available separately), a sleek dark gray high-grade automotive carpet finish with "JL AUDIO" embroidered in silver, and durable CNC-cut high-grade MDF construction. Designed for 200-600W amplifier power and a nominal impedance of 2 Ω, it ensures top-tier performance and style.
Frequently Asked Questions (FAQ)
- • Why does this 12-inch enclosure take up almost my entire trunk space?
To deliver maximum output and deep extension, JL Audio's patented High-Output design uses an internal chamber-coupled slot port that wraps around the outer walls. This complex manifold layout makes the footprint significantly larger and heavier than standard 12-inch prefab boxes.
- • Why is my amp overheating or shutting down when trying to push this subwoofer?
The HO112-W6v3 is pre-wired internally to a 2-ohm total impedance. If you are pairing it with a bridged 2-channel amplifier or an older monoblock that is not explicitly rated stable down to 2 ohms, the heavy current draw will trip your amp's thermal protection.
- • Why does the bass output sound quiet, muddy, or completely distorted at high volumes?
This is almost always a sign of a clipped signal from incorrect amplifier settings. Ensure your head unit or amp's "Bass Boost" is turned completely off, set your Low-Pass Filter (LPF) around 80Hz, and properly match the input gain using a digital multimeter.
- • Why am I hearing a physical flapping or rushing air sound coming from the port?
If the gain is set too high or you try to force notes below 25Hz without a subsonic filter, the 12W6v3 driver can exceed its mechanical limits. The severe air velocity can cause port noise or suspension bottoming. Set a subsonic filter right around 25Hz to fix it.
- • Why didn't my premium enclosure come with a grille to protect the expensive woofer?
JL Audio does not bundle speaker grilles with this High-Output system. Because the 12W6v3 woofer sits fully exposed near the edge of the wedge, you must purchase the specific mesh insert "JL Audio SGR-12W6v2/v3" separately to block trunk cargo damage.
- • Can I change the terminal cup wiring to convert this box to a 4-ohm or 1-ohm load?
No, you cannot alter the impedance from the outside. The enclosure houses a single dual 4-ohm driver pre-wired in parallel for a fixed 2-ohm load. To change it, you would have to pull the woofer out and wire the coils in series for an 8-ohm load.
- • What size amplifier is perfect for this enclosure without blowing the voice coils?
The system is rated for 600 watts continuous RMS. Pair it with a high-quality monoblock amplifier that outputs exactly 500W to 600W RMS cleanly into a 2-ohm load. Avoid feeding it 1000W+ amps, which easily scorch the W6v3 voice coils.
Learn how to wire subwoofers

- Diameter : 12 Inch
- Maximum Power : 600 Watts
- Sensitivity : 85 dB
- Impedance : 2 Ohm
- Frequency Response : 20-200 Hz
- Peak Power Handling : 1200 Watts
- Number Of Subwoofers : 1
- Enclosure Type : Ported
- Amplified : No
- RMS Power Handling : 600 Watts
Features:
- Subwoofer: Single 12W6v3-D4
- Power Handling: 600 W, 2 Ω
- Enclosure Type: Ported
- High Output Design: Engineered for superb sound quality and impressive output with moderate amplification
- Chamber-Coupled Port Design: Port wraps around the inner enclosure boundary and terminates just above the woofer, enhancing performance
- Optimized Alignment: Carefully engineered for the 12W6v3 and fine-tuned through real-world listening
- Ready to Connect: Shipped wired, loaded, and includes a five-way binding post terminal
- Recessed Mounting Baffle: Provides some protection for the woofer; steel mesh grille insert available separately
- Finish: Dark gray high-grade automotive carpet with black carpet on woofer baffle; "JL AUDIO" embroidered in silver
- Construction: CNC-Cut High-Grade MDF
- Recommended Amplifier Power: 200 - 600W
- Nominal Impedance: 2 Ω
Specifications:
- Woofer Size: 12 inches
- Speakers Per Box: 1
- Woofer Material: Mineral-fill IMPP
- Enclosure Type: Ported
- Color: Gray
- Pieces in System: 1
- Width: 14-3/8 inches
- Height: 16-1/4 inches
- Depth: 23-7/8 inches
- Connector Type: 5-way post
- Frequency Response: 20-200 Hz
- Power Range: 600 Watts RMS
- Maximum Wattage: 1200 Watts
- Sensitivity: 85 dB
- Impedance: 2 ohms
- UPC: 699440933155
- Weight: 20
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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This enclosure is amazing. The clarity for a ported enclosure is impressive. I’m hearing things in songs I’ve never heard before. I have it paired with a jl xd600/1 v2 amp and it’s perfect. You need to purchase the remote and you can control the bass to you’re liking song to song. I don’t usually write reviews but this setup made me want to!!!
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Great low sound in a compact package.