Description
DS18 EXL-SQ4.0
The EXL-SQ4.0 is a 4‑inch 2‑way coaxial car audio speaker pair designed to deliver clear mids and crisp highs, making it an ideal upgrade over standard factory-installed speakers for compact car audio setups. Each speaker features a 4 Ω nominal impedance with 30 W RMS (90 W peak) power handling, providing efficient performance for head units and small amplifiers. With a frequency response ranging from 75 Hz to 20 kHz and 83 dB sensitivity, the EXL-SQ4.0 ensures balanced, detailed audio suitable for dashboards, rear decks, or other compact installation areas. The speakers utilize treated paper woofers with rubber surrounds and Mylar dome tweeters for precise sound reproduction. Built with sturdy steel baskets and included protective grills, the EXL-SQ4.0 offers reliable, full-range performance in small car audio setups.
Specifications
| Category | Specification |
|---|---|
| SKU | EXL-SQ4.0 |
| Nominal Diameter | 4″ / 101.6 mm |
| Nominal Impedance | 3 Ω |
| RMS Power Handling | 60 W |
| MAX Power Handling | 260 W |
| Sensitivity (1W/1m) | 85 dB |
| Frequency Response | 115 Hz – 22 kHz |
| Recommended Hi-Pass Crossover | 140 Hz |
| Number of Ways | 2-way |
| Sold In | Pair |
| Grill Included | Yes |
Woofer Specifications
| Parameter | Specification |
|---|---|
| Voice Coil Diameter | 1″ / 25.5 mm |
| Voice Coil Former Material | BASV |
| Winding Material | CCAW |
| Cone Material | Glass Fiber |
| Surround Material | Rubber |
| Basket Material | Aluminum |
| Basket Color/Finish | Granite Silver |
| Magnet Material | Strontium |
| Magnet Weight | 9 oz |
Tweeter Specifications
| Parameter | Specification |
|---|---|
| Nominal Diameter | 0.8″ / 20.3 mm |
| Voice Coil Diameter | 0.5″ / 13 mm |
| Diaphragm Material | PEI Dome |
| Magnet Material | Neodymium |
Thiele & Small Parameters
| Parameter | Specification |
|---|---|
| Equivalent Volume Vas | 1.2 L / 0.043 ft³ |
| Free Air Resonance Fs | 113 Hz |
| DC Resistance Re | 2.8 Ω |
| Mechanical Factor Qms | 4.889 |
| Electrical Factor Qes | 0.873 |
| Total Factor Qts | 0.741 |
Speaker Measurements
| Parameter | Specification |
|---|---|
| Overall Diameter | 4.12″ / 104.8 mm |
| Overall Depth | 2.14″ / 54.5 mm |
| Front Mount Baffle Cutout | 3.77″ / 96 mm |
| Mounting Depth | 1.96″ / 50 mm |
| Motor Diameter | 3.14″ / 80 mm |
| Gross Single Unit Weight | 4 lbs |
| Dimensions W x L x H | 12.5 x 6.25 x 3.5 in |
| Quantity of Units in Master Carton | 10 |
| Gross Master Carton Weight | 39.5 lbs |
| Master Carton Dimensions | 18.75 x 13.25 x 13 in |
Product Overview
Glass Fiber 4″ 2-Way Coaxial Car Speaker 560 Watts 3-Ohm
Instantly increase the sound quality in your car and get EXTREMELY LOUD with powerful clear sound that fills any space using DS18’s EXL-SQ4.0.
The 2-way design of the EXL-SQ4.0 equips it with both a woofer and a tweeter, which work together to produce a full and dynamic sound. These speakers are capable of reproducing both high and low frequencies with remarkable accuracy. From soaring vocals to deep, thumping bass lines, you’ll hear every nuance and detail of your favorite songs.
The EXL-SQ4.0 has a 2-way design with a 3-ohm impedance, making these speakers extremely easy to incorporate into any high-powered audio system.
The glass fiber cone equipped on the EXL-SQ4.0 guarantees it performs at it’s best and has a longer lifespan. The glass fiber cone provides stiffness, ensures accurate sound reproduction, and minimizes distortion. It’s lightweight design enables faster and more responsive changes to the signal, while also maximizing energy efficiency.
One of the key features of the EXL-SQ4.0 is its advanced engineering, which has been carefully optimized to ensure maximum sound quality and clarity. Every component, from the advanced PEI dome tweeter to the neodymium magnets, and black glass fiber cone has been carefully chosen and tuned to deliver the best possible audio performance. This attention to detail ensures that every note, every beat, and every detail of your music is reproduced with incredible accuracy and fidelity.
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