Description
DS18 PRO-X46.4BM
The DS18 PRO‑X46.4BM is a premium 4‑inch dual‑4‑ohm mid/bass speaker engineered for car audio enthusiasts who want clean, punchy, and dynamic low‑mid frequencies in compact audio setups. Rated at 250 W RMS and 500 W peak power handling, this speaker delivers controlled and impactful mid/bass output with excellent clarity and efficiency. Built with a rugged steel basket, high‑temperature voice coil, and lightweight cone, the PRO‑X46.4BM is ideal for door panels, rear decks, or small custom enclosures where space is limited but performance can’t be compromised. Whether used in daily driver systems, SPL‑focused builds, or professional stage setups, it provides robust midrange projection and solid low‑end extension.
Specifications
| Parameter | Value |
|---|---|
| Nominal Diameter | 4×6″ / 102 × 152 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 100 W |
| MAX Power Handling | 200 W |
| Sensitivity (1w/1m) | 90 dB |
| Frequency Response | 100 Hz – 12.5 kHz |
| Recommended Hi-Pass Crossover | 125 Hz |
| Sold | Single |
| Grill Included | No |
Motor & Construction
| Component | Specification |
|---|---|
| Voice Coil Diameter | 1″ / 25.4 mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Paper |
| Bullet Material | Aluminum |
| Bullet Color/Finish | Red Gloss |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Color/Finish | Red Gloss |
| Magnet Material | Ferrite |
| Magnet Weight | 10 Oz |
| Displacement Volume | 0.14 L / 0.0049 ft³ |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 2.44 L / 0.086 ft³ |
| Excursion (Xmax, one way) | 1.3 mm |
| Free Air Resonance (Fs) | 158 Hz |
| Mechanical Q (Qms) | 7.012 |
| Electrical Q (Qes) | 0.533 |
| Total Q (Qts) | 0.495 |
| Mechanical Mass (Mms) | 3.772 g |
| Mechanical Compliance (Cms) | 0.0273 mm/N |
| BL Factor | 4.87 |
| Voice Coil Inductance (Le) | 0.134 mH |
| Cone Area (Sd) | 84.95 cm² |
| DC Resistance (Re) | 3.3 Ohms |
Measurements
| Measurement | Value |
|---|---|
| Overall Diameter | 4.1 × 6.1″ / 104 × 155 mm |
| Overall Depth | 2.45″ / 62.2 mm |
| Front Mount Baffle Cutout | 3.4 × 5.6″ / 86.4 × 142 mm |
| Mounting Depth | 2.26″ / 57.3 mm |
| Motor Diameter | 2.76″ / 70 mm |
Product Overview
4×6” Mid-Range Loudspeaker with Bullet
DS18’s PRO-X46.4BM is a high-output 4×6” mid-range loudspeaker with a bullet bringing impressive clarity that cuts through all noise. Pushing 100W RMS and 200W MAX at 4 ohms, with 90dB sensitivity the PRO-X’s deliver blistering mids that won’t get lost in any mix!
Pro-Level Build
The built-in gloss red aluminum bullet directs audio right to your soundstage, projecting sound further and more precisely, even in open-air rides. The CCAW voice coil is wound on a Kapton former for high-heat resistance and long-lasting performance, while the ferrite magnet powers fast, punchy response.
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