DS18 25D120NO-4 2.5" OEM Dashboard Loudspeaker with Neodymium Magnet — 120W MAX (Pair)
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DS18 25D120NO-4 2.5" OEM Dashboard Loudspeaker with Neodymium Magnet — 120W MAX (Pair)
Product Overview
Description
The DS18 25D120NO-4 is a 2.5" dashboard speaker made to drop into factory dash openings with no cutting. Its neodymium magnet keeps the mounting depth at 1.3", so it clears tight dashboards that stop deeper drivers. Rated 60W RMS and 120W MAX with 89dB sensitivity, it is sold as a pair for both sides of the dash.
Key Features
- 2.5" dashboard loudspeaker designed for OEM dash locations — no modifications
- 60W RMS / 120W MAX power handling
- Neodymium magnet — compact and lightweight
- 89dB high sensitivity (1W/1m)
- Paper cone with cloth surround
- Easy install with regular spade terminals
- Sold as: PAIR — grill not included
Product Overview
The DS18 25D120NO-4 drops into factory dashboard speaker locations without cutting or modification. The neodymium motor keeps it light and shallow at just 1.3" mounting depth, while 89dB sensitivity and a 200Hz–20kHz range bring dash-level clarity to voices and highs. Sold in pairs, ready for both sides of the dash.
SPECS
| SKU | 25D120NO-4 |
| Nominal Diameter | 2.5" / 63.5mm |
| Nominal Impedance | 4-Ohm |
| RMS Power | 60 Watts |
| MAX Power | 120 Watts |
| Sensitivity (1W/1m) | 89dB |
| Frequency Response | 200Hz–20kHz |
| Recommended High-Pass Crossover | 250Hz |
| Voice Coil Diameter | 0.5" / 13.2mm |
| Voice Coil Former | KSV |
| Cone Material | Paper |
| Dust Cap | PPI |
| Surround | Cloth |
| Magnet Type | Neodymium |
| Basket Material | Steel (black) |
| Terminals | Regular spade |
| Overall Diameter | 2.83" / 72mm |
| Mounting Depth | 1.3" / 33mm |
| Baffle Cutout | 2.6" / 66mm |
| Grill Included | No |
| Sold As | Pair |
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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.