Description
DS18 25D120NO-4
The DS18 25D120NO‑4 is a 2.5-inch OEM dashboard loudspeaker featuring a neodymium magnet for high-efficiency audio performance. Rated at 60 W RMS and 120 W peak power with a 4‑ohm impedance, this compact speaker delivers clear, balanced midrange and treble frequencies, ideal for OEM replacement or custom dashboard audio upgrades. Its durable cone and magnet design ensure long-term reliability and minimal distortion, making it perfect for daily driver setups, infotainment enhancements, or integrated car audio systems where space and performance are both critical.
Specifications
| Parameter | Value |
|---|---|
| SKU | 25D120N0-4 |
| Nominal Diameter | 2.5″ / 63.5 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 60 W |
| MAX Power Handling | 120 W |
| Sensitivity (1w/1m) | 89 dB |
| Frequency Response | 200 Hz – 20 kHz |
| Recommended Hi-Pass Crossover | 250 Hz |
| Sold | Pair |
| Grill Included | No |
| Cone Shape | Curvilinear |
| Speaker Terminals | Regular Spade |
Motor & Construction
| Component | Specification |
|---|---|
| Voice Coil Diameter | 0.5″ / 13.2 mm |
| Voice Coil Former Material | KSV |
| Winding Material | CCAW |
| Cone Material | Paper |
| Dust Cap Material | PPI |
| Surround Material | Cloth |
| Spider Diameter | 1.67″ / 42.5 mm |
| Leads Connection Type | Direct to Cone |
| Basket Material | Steel |
| Basket Color/Finish | Black |
| Magnet Material | Neodymium |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 0.38 L / 0.0134 ft³ |
| Free Air Resonance (Fs) | 235 Hz |
| Mechanical Q (Qms) | 5.96 |
| Electrical Q (Qes) | 3.33 |
| Total Q (Qts) | 2.14 |
| Mechanical Mass (Mms) | 0.71 g |
| Mechanical Mass w/o Air | 0.6 g |
| Mechanical Compliance (Cms) | 0.64 mm/N |
| BL Factor | 1.86 |
| Voice Coil Inductance (Le) | 0.04 mH |
| Cone Area (Sd) | 20.43 cm² |
| DC Resistance (Re) | 3.8 Ohms |
Measurements
| Measurement | Value |
|---|---|
| Overall Diameter | 2.83″ / 72 mm |
| Overall Depth | 1.34″ / 33 mm |
| Front Mount Baffle Cutout | 2.6″ / 66 mm |
| Mounting Depth | 1.3″ / 33 mm |
| Motor Diameter | 1.65″ / 42 mm |
Product Overview
2.5” OEM Dashboard Loudspeaker With Neodymium Magnet
Upgrading is simple with DS18’s 25D120NO-4, a 2.5″ dashboard loudspeaker designed to fit seamlessly into OEM dashboards, for a precise upgrade without the need for modifications. Crafted with a high-performance neodymium magnet, this speaker utilizes powerful magnetic fields to ensure crisp and clear sound reproduction.
DS18’s 25D120NO-4 is engineered for perfect audio experiences. Its durable paper cone and cloth surround enhance sound clarity while ensuring long-lasting durability, even under the most challenging automotive conditions. With a remarkable RMS power handling of 60W and impressive sensitivity of 89dB, this speaker offers high output with minimal power input, delivering dynamic and distortion-free audio.
Covering an extensive frequency range from 200Hz to 20KHz, this wide frequency car speaker promises balanced highs and mids that will transform your driving soundtrack. The KSV former (4-ohm) voice coil with CCAW winding optimizes performance, while the direct-to-cone lead connection ensures efficient energy transmission for superior sound quality.
DS18’s 25D120NO-4 is not only lightweight and compact but also incredibly easy to install with its regular spade terminal. Upgrade today and enjoy a premium audio experience that’s both powerful and precise.
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