Description

DS18 ZXI-354
The ZXI-354 is a 3‑inch 2‑way coaxial car audio speaker pair designed to deliver clear mids and crisp highs, making it an ideal upgrade over factory-installed speakers for compact or custom car audio setups. Each speaker features a 4 Ω nominal impedance with 30 W RMS (90 W peak) power handling, offering efficient performance for head units and small amplifiers. With a frequency response from 80 Hz to 20 kHz and 83 dB sensitivity, the ZXI-354 produces balanced, detailed sound suitable for everyday listening in smaller vehicles or tight spaces. The speakers utilize treated paper woofers with rubber surrounds and Mylar dome tweeters to provide clear high-frequency detail. Constructed with sturdy steel baskets and included protective grills, the ZXI-354 is perfect for car doors, dashboards, or custom installations requiring reliable, full-range audio performance.
Specifications
| Category | Specification |
|---|---|
| SKU | ZXI-354 |
| Nominal Diameter | 3.5 Inches / 89 mm |
| Nominal Impedance | 4 Ω |
| RMS Power Handling | 40 W |
| MAX Power Handling | 120 W |
| Sensitivity | 86 dB |
| Frequency Response | 120 Hz – 20 kHz |
| Recommended Hi-Pass | 140 Hz |
| Speaker Type | Full Range |
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 |
Thiele & Small Parameters
| Parameter | Specification |
|---|---|
| Vas | 0.55 L |
| Excursion Xmax | 1.4 mm |
| Free Air Resonance Fs | 140 Hz |
| Mechanical Factor Qms | 7.08 |
| Electrical Factor Qes | 1.37 |
| Total Factor Qts | 1.15 |
| Mechanical Mass Mms | 3.2 g |
| Mechanical Compliance Cms | 402 mm/N |
| BL Factor | 2.938 |
| Voice Coil Inductance Le | 169 mH |
| Cone Area Sd | 32 cm² |
| DC Resistance Re | 4.2 Ω |
| Mechanical Mass without Air Mmd | 3 g |
Measurements
| Parameter | Specification |
|---|---|
| Overall Diameter | 3.50 inch / 89 mm |
| Overall Depth | 42 mm / 1.65 inch |
| Front Mount Baffle Cutout | 71 mm / 2.80 inch |
| Mounting Depth | 37.8 mm / 1.49 inch |
| Motor Diameter | 60 mm / 2.36 inch |
| Product Weight | 1.5 lbs |
| Product Dimensions | 8.75 x 4.5 x 2 inch |
| Master Carton Weight | 32.5 lbs |
| Master Carton Dimensions | 20 x 9.25 x 9.5 inch |
| Master Carton Quantity | 20 |
| Sold In | Pair |
Product Overview
Kevlar 3.5″ Full-Range Car Speaker with Bullet 120 Watts 4-Ohm
Experience music like never before with the DS18 ZXI-354 – 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-354 features a fiberglass cone woofer with a rubber surround, the perfect combination for delivering precise and punchy bass responses. Fiberglass is a durable and lightweight material that is commonly used for other automotive applications: but is ideal for creating speaker cones due to its excellent strength-to-weight ratio. Combined with the rubber surround the ZXI-354 comes with reduces unwanted vibrations, resulting in a cleaner and more accurate sound.
The bullet on the ZXI-354 equips the 3.5” woofer with a 1” ferrite Magnet Tweeter, which delivers unmatched clarity and detail in the higher end of the frequency range. The high-quality ferrite magnet ensures excellent power handling capabilities and long-lasting durability. The magnet helps to deliver stable and consistent performance, even at high volume levels, and guarantees your audio is always crystal clear and distortion-free.
With frequency responses ranging from 120Hz – 20KHz, the ZXI-354 is built to deliver clear and powerful sound across the entire frequency spectrum.
No matter where your car takes you, DS18’s ZXI-354 will immerse you in music like never before. Upgrade with DS18’s ZXI-354 and experience the difference today.































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