DS18 EXL-X6 6.5" Subwoofer — 400W RMS / 800W MAX, DVC (2Ω / 4Ω)
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DS18 EXL-X6 6.5" Subwoofer — 400W RMS / 800W MAX, DVC (2Ω / 4Ω)
Product Overview
Description
Key Features
- 6.5" subwoofer rated 400W RMS / 800W MAX with a 2" aluminum-former voice coil
- Dual voice coil — choose 2+2 ohm (EXL-X6.2D) or 4+4 ohm (EXL-X6.4D) to match your amplifier's load
- Cast aluminum basket in glossy red with a 90 oz ferrite motor
- Non-pressed paper and glass-fibre cone with a foam surround
- 4.25" mounting depth and 5.78" front-mount cutout — sized for compact under-seat and under-dash enclosures
Overview
The EXL-X6 is DS18's 6.5" subwoofer for installs where a full-size sub will not go: under-seat and under-dash enclosures, Gladiator and Slingshot boxes, and compact custom builds. It carries a 2" voice coil and a 90 oz ferrite magnet behind a 6.5" cone, so it handles 400W RMS and plays down to 40Hz from a small sealed chamber.
Both versions are dual voice coil. The EXL-X6.2D wires to 1 ohm or 4 ohms per sub and the EXL-X6.4D to 2 ohms or 8 ohms, so a pair or a set of four can be matched to a monoblock's optimum load. DS18 names this sub as its recommended 6.5" driver for the JT-S64 Gladiator under-seat enclosure.
Specifications
| SKU | EXL-X6.2D / EXL-X6.4D |
| Nominal Diameter | 6.5" / 165.1mm |
| Nominal Impedance | 2+2 ohms (EXL-X6.2D) / 4+4 ohms (EXL-X6.4D) |
| RMS Power Handling | 400W |
| Maximum Power Handling | 800W |
| Sensitivity (1w/1m) | 89.8dB |
| Frequency Response | 40-820Hz |
| Recommended Lo Pass Crossover | 90Hz |
| Voice Coil Diameter | 2" / 50.8mm |
| Voice Coil Former Material | Black Aluminum |
| Winding Material | SV |
| Cone Material | Non Pressed Paper + Glass fiber |
| Dust Cap Material | PPI |
| Surround Material | Foam |
| Basket Material | Aluminum |
| Basket Color/Finish | Glossy Red |
| Magnet Material | Ferrite |
| Magnet Weight | 90 oz |
| Mounting Depth | 4.25" / 108mm |
| Front Mount Baffle Cut Out | 5.78" / 147mm |
| Overall Diameter | 6.92" / 176mm |
Price is each.
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FAQs
Please read our FAQs page to find out more.
RMS vs. MAX power — which number do I actually care about?
RMS is what your gear handles continuously; MAX is the short burst it can survive without complaint. Match your amplifier's RMS output to your speakers' RMS rating — sizing off the MAX number is how magic smoke gets released.
What does the IP65 rating on DS18 marine gear actually mean?
It's dust-tight and rated against low-pressure water jets from any direction — built for spray, rain, and the occasional wave over the bow, not for full submersion. If something's going somewhere it could sit underwater, that's a different conversation entirely.
How do I match an amplifier to my speakers without guessing?
Add up the RMS rating of everything the amp will power, and pick an amp whose RMS output (at your speakers' impedance — usually 4-ohm) lands close to that total. Undersized is thin sound; wildly oversized is a fast way to blow a voice coil.
Can I mix marine-grade gear into a standard car audio setup, or the reverse?
You can run marine-grade gear in a car — it's just over-built for that environment, no downside besides cost. Running non-weatherproof car audio gear in an open UTV or boat is the direction that causes problems.
What gauge wiring kit do I need?
It scales with your amp's power draw and the length of the run — DS18's OFC kits come in 4-gauge and 8-gauge for a reason. Undersized wiring on a high-draw system is a voltage-drop and heat problem waiting to happen; when in doubt, size up.