DC Audio Level 6 M6 18" Subwoofer ***BUILT TO ORDER***
Key features
- Subwoofer size: 18.0 inches
- RMS power per subwoofer: 4500 W
- Voice-coil options: D0.7, D1, D1.4, D2
- Voice-coil diameter: 4 inches
- Speaker leads: 8 AWG OFC direct leads
- Frame: cast aluminum
DC Audio Level 6 M6 18" Subwoofer ***BUILT TO ORDER*** - Dual 0.7 Ohm is backordered and will ship as soon as it is back in stock.
Description
Description
The DC Audio Level 6 M6 18" subwoofer is a built-to-order, USA-made driver for high-power bass systems. Its 4,500-watt RMS rating, 4.0" voice coil, and 32 mm Xmax are designed for installations where substantial output and long excursion matter.
Product Overview
This Level 6 Elite subwoofer combines a cast aluminum frame, reinforced kraft pulp cone, and FEA-analyzed motor assembly. Its 18" size and 6.0 ft suggested ported enclosure make it a choice to consider for large bass installations.
Key Features & Benefits
- Power handling: Rated at 4,500 watts RMS and 9,000 watts peak for systems built around high power.
- Voice coil and leads: A 4.0" aluminum voice coil with an 8-layer high-temperature aluminum winding and 8 AWG OFC direct leads supports high-current operation.
- Long-throw suspension: The reinforced kraft pulp cone, wide foam surround, and polypropylene dust cover support controlled cone movement.
- Machined motor structure: The CNC-machined, FEA-analyzed assembly has an extended pole and more rearward coil clearance.
- Installation details: The cast DC Series aluminum frame includes a rubber mounting gasket and a motor boot with embossed DC Audio and LV6 logos.
Technical Specifications
| Specification | 15" | 18" |
|---|---|---|
| Mounting Depth | 12.5" | 13.5" |
| Mounting Hole Diameter | 14.25" | 16.90" |
| Outside Driver Diameter | 15.7" | 18.5" |
| VC Diameter | 4.0" | 4.0" |
| Displacement | .24 ft | .27ft |
| Power Handling rms/peak | 4500/9000 | 4500/9000 |
| Ohm Options | d.7/d1/d1.4/d2/d4 | d.7/d1/d1.4/d2/d4 |
| Sd | 815 cm | 1159 cm |
| Vas | 46.3L | 88.75L |
| Cms | 0.057 mm/n | 00.049 mm/n |
| Mms | 583.6 g | 748.83 g |
| Fs | 27.59 Hz | 26.37 Hz |
| Bl | 36.41 N/A | 36.15 N/A |
| Re | 4.77 Ohm | 5.39 Ohm |
| Le | 2.02 mH | 4.64 mH |
| Qms | 5.726 | 6.871 |
| Qes | 0.3643 | 0.5119 |
| Qts | 0.3425 | 0.4764 |
| Xmax | 32mm | 32mm |
| Ref SPL @1 watt | 86.16 db | 86.92 db |
| Suggest Sealed Box | N/A ft | N/A ft |
| Suggested Ported Box | 3.5 ft | 6.0 ft |
Why Choose This Product?
The Level 6 M6 18" pairs a high power rating with a 32 mm Xmax and a 26.37 Hz Fs. Those specifications make it a product to consider for a large, high-output system where deep bass and substantial cone travel are priorities.
Its listed 6.0 ft suggested ported box provides a starting point for enclosure planning. The 18" version has an 18.5" outside diameter and 13.5" mounting depth, so installation space matters.
Installation & Compatibility Notes
Check available mounting depth, cutout space, enclosure requirements, and the selected impedance option against your system before purchase. The listed mounting hole diameter for the 18" version is 16.90".
The recommended ported enclosure volume is 6.0 ft for the 18" version. Confirm that your enclosure and amplifier plan suit the subwoofer's power rating and chosen ohm option.
Frequently Asked Questions
What are the power ratings for the 18" model?
It is rated for 4,500 watts RMS and 9,000 watts peak.
What impedance options are listed?
The source lists d.7/d1/d1.4/d2/d4 for both the 15" and 18" versions.
How much mounting space does the 18" version require?
Its listed mounting depth is 13.5", mounting hole diameter is 16.90", and outside driver diameter is 18.5".
What ported enclosure volume is suggested for the 18" version?
The suggested ported box volume is 6.0 ft.
Is the subwoofer built to order?
Yes. The product title identifies this DC Audio Level 6 M6 18" subwoofer as built to order.
Explore More
Shop for the DC Audio Level 6 M6 18" subwoofer at 12 Volt Outlet. Explore the brands we sell to learn about other audio brands.
| 15" | 18" | |
|---|---|---|
| Mounting Depth | 12.5" | 13.5" |
| Mounting Hole Diameter | 14.25" | 16.90" |
| Outside Driver Diameter | 15.7" | 18.5" |
| VC Diameter | 4.0" | 4.0" |
| Displacement | .24 ft | .27ft |
| Power Handling rms/peak | 4500/9000 | 4500/9000 |
| Ohm Options | d.7/d1/d1.4/d2/d4 | d.7/d1/d1.4/d2/d4 |
| Sd | 815 cm | 1159 cm |
| Vas | 46.3L | 88.75L |
| Cms | 0.057 mm/n | 00.049 mm/n |
| Mms | 583.6 g | 748.83 g |
| Fs | 27.59 Hz | 26.37 Hz |
| Bl | 36.41 N/A | 36.15 N/A |
| Re | 4.77 Ohm | 5.39 Ohm |
| Le | 2.02 mH | 4.64 mH |
| Qms | 5.726 |
6.871 |
| Qes | 0.3643 |
0.5119 |
| Qts | 0.3425 |
0.4764 |
| Xmax | 32mm | 32mm |
| Ref SPL @1 watt | 86.16 db | 86.92 db |
| Suggest Sealed Box | N/A ft | N/A ft |
| Suggested Ported Box | 3.5 ft | 6.0 ft |
Recommended Monoblock Amplifiers
Power-matched options for one subwoofer or one complete loaded enclosure. We aim to include same-brand choices when their ratings qualify.
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Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.






