Description
DS18 ZXI-44
The ZXI-44 is a 4‑inch 2‑way coaxial car audio speaker pair engineered to deliver clear mids and crisp highs, making it an ideal upgrade over standard factory-installed speakers. Each speaker has a 4 Ω nominal impedance with 35 W RMS (105 W peak) power handling, providing efficient performance for head units and small amplifiers. With a frequency response from 70 Hz to 20 kHz and 84 dB sensitivity, the ZXI-44 produces balanced, detailed audio suitable for everyday listening and compact installations. The design incorporates treated paper woofers with rubber surrounds and Mylar dome tweeters for precise sound reproduction. Built with sturdy steel baskets and included protective grills, the ZXI-44 is perfect for car doors, rear decks, or custom setups where reliable, full-range sound is needed.
Specifications
| Category | Specification |
|---|---|
| SKU | ZXI-44 |
| Nominal Diameter | 4 Inches / 100 mm |
| Nominal Impedance | 4 Ω |
| RMS Power Handling | 50 W |
| MAX Power Handling | 150 W |
| Sensitivity | 88 dB |
| Frequency Response | 80 Hz – 20 kHz |
| Recommended Hi-Pass | 100 Hz |
| Speaker Type | 2-Way |
Midrange
| Parameter | Specification |
|---|---|
| Voice Coil Diameter | 25.5 mm / 1 inch |
| Voice Coil Former Material | KSV |
| Winding Material | EISV |
| Cone Material | Glass Fiber |
| Surround Material | Rubber |
| Basket Material | Steel |
| Magnet Material | Barium Ferrite |
| Magnet Weight | 10.9 oz / 310 g |
Tweeter
| Parameter | Specification |
|---|---|
| Nominal Diameter | 25.4 mm / 1 inch |
| Voice Coil Diameter | 20.4 mm / 0.8 inch |
| Voice Coil Former Material | KSV |
| Winding Material | EISVM |
| Diaphragm Material | PEI |
| Magnet Material | Neodymium |
| Magnet Weight | 8.5 g / 0.3 oz |
Thiele & Small Parameters
| Parameter | Specification |
|---|---|
| Vas | 1.59 L |
| Excursion Xmax | 2.3 mm |
| Free Air Resonance Fs | 95 Hz |
| Mechanical Factor Qms | 9.00 |
| Electrical Factor Qes | 0.80 |
| Total Factor Qts | 0.74 |
| Mechanical Mass Mms | 8.47 g |
| Mechanical Compliance Cms | 364.9 mm/N |
| BL Factor | 4.583 |
| Voice Coil Inductance Le | 216 mH |
| Cone Area Sd | 55.4 cm² |
| DC Resistance Re | 3.5 Ω |
| Mechanical Mass without Air Mmd | 8 g |
Measurements
| Parameter | Specification |
|---|---|
| Overall Diameter | 3.94 inch / 100 mm |
| Overall Depth | 71 mm / 2.80 inch |
| Front Mount Baffle Cutout | 93 mm / 3.66 inch |
| Mounting Depth | 56 mm / 2.20 inch |
| Motor Diameter | 84 mm / 3.31 inch |
| Product Weight | 4 lbs |
| Product Dimensions | 12 x 5.75 x 3.25 inch |
| Master Carton Weight | 33.5 lbs |
| Master Carton Dimensions | 24 x 12.5 x 7.25 inch |
| Master Carton Quantity | 8 |
| Sold In | Pair |
Product Overview
Kevlar 4″ 2-Way Coaxial Car Speaker 150 Watts 4-Ohm
Experience music like never before with the DS18 ZXI-44 – the perfect solution for audiophiles looking to elevate their car audio system’s sound quality. This speaker is designed to deliver powerful sound with little to no distortion, ensuring an enhanced listening experience that will leave you wanting more.
The ZXI-44 features a Kevlar cone woofer with a rubber surround, the perfect combination for delivering precise and punchy bass responses. Kevlar is a durable and lightweight material that is commonly used in bulletproof vests: but is ideal for creating speaker cones due to its excellent strength-to-weight ratio. Combined with the rubber surround the ZXI-44 comes with reduces unwanted vibrations, resulting in a cleaner and more accurate sound.
The 2-way design on the ZXI-44 equips the 4” woofer with a 1” Neodymium Magnet Tweeter, which delivers unmatched clarity and detail in the higher end of the frequency range. Neodymium magnets are known for their lightweight and powerful properties, allowing the speaker to reproduce accurate high frequencies without increasing the overall weight of the speaker resulting in a more balanced and natural sound.
With frequency responses ranging from 80Hz – 20KHz, the ZXI-44 is built to deliver clear and powerful sound across the entire frequency spectrum.
No matter where your car takes you, DS18’s ZXI-44 will immerse you in music like never before. Upgrade with DS18’s ZXI-44 and experience the difference today.
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