Description
DS18 DXQ3.5
The DS18 DXQ3.5 is a high-quality 3.5-inch midrange car audio speaker designed to deliver crisp, clear mid-frequency audio with excellent detail for vocals and instruments. Built with a premium yellow straw and composite foam cone, it provides distortion-free sound reproduction and efficient performance. Rated at 60 W RMS and 120 W peak power with a 4 Ω impedance and 87 dB sensitivity, the DXQ3.5 covers a wide frequency range from approximately 120 Hz to 20 kHz, making it ideal for custom audio setups or as part of a multi-speaker system. Featuring a 1″ high-temperature TIL voice coil with copper-clad aluminum winding, rubber surround, and a sturdy aluminum basket, this speaker is engineered for durability, improved heat dissipation, and long-lasting performance. Its compact footprint and shallow mounting depth make installation easy in doors, custom pods, or dash applications where space is limited.
Specifications
| Parameter | Value |
|---|---|
| Nominal Diameter | 3.5″ / 91 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 60 W |
| MAX Power Handling | 120 W |
| Sensitivity (1W/1m) | 87 dB |
| Frequency Response | 120 Hz – 20 kHz |
| Recommended Hi Pass Crossover | 160 Hz |
| Sold in Pair or Single | Pair |
Features
| Feature | Value |
|---|---|
| Improved Heat Dissipation | Yes |
| Cone Shape | Curvilinear |
| Speaker Terminals | Spade |
Motor / Woofer Specifications
| Parameter | Value |
|---|---|
| Voice Coil Diameter | 1″ / 25 mm |
| Voice Coil Former Material | TIL |
| Winding Material | CCAW |
| Cone Material | Yellow Straw + Composite Foam |
| Dust Cap Material | Yellow Straw |
| Surround Material | Rubber Edge |
| Leads Connection Type | Direct to Coil |
| Basket Material | Aluminum |
| Basket Color / Finish | Black |
| Magnet Material | Ferrite |
| Magnet Weight | 5.5 oz |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 1.338 L |
| Excursion (one way) | 2 mm |
| Free Air Resonance (Fs) | 88.7 Hz |
| Mechanical Factor (Qms) | 9.688 |
| Electrical Factor (Qes) | 0.856 |
| Total Factor (Qts) | 0.794 |
| Mechanical Mass (Mms) | 3.746 g |
| Mechanical Compliance (Cms) | 0.859 mm/N |
| BL Factor | 2.833 |
| Voice Coil Inductance (Le) | 0.133 mH |
| Cone Area (Sd) | 33.18 cm² |
| DC Resistance (Re) | 3.3 Ohms |
| Mechanical Mass w/o air (Mmd) | 3.53 g |
Measurements
| Parameter | Value |
|---|---|
| Overall Diameter | 3.6″ / 91.5 mm |
| Overall Depth | 1.8″ / 47.8 mm |
| Front Mount Baffle Cutout | 2.9″ / 74.3 mm |
| Mounting Depth | 1.6″ / 40 mm |
| Motor Diameter | 2.5″ / 65 mm |
Product Overview
3.5” Midrange Speaker with Neodymium Magnet and Yellow Straw + Composite Foam Cone
The DXQ3.5 delivers crisp and clear midrange frequencies with exceptional detail and accuracy. Engineered with a yellow straw and composite foam cone, expect distortion-free audio reproduction for vocals and instruments.
Power Handling & Sensitivity
Rated at 60W RMS and 120W MAX, this driver offers 88dB sensitivity and a wide frequency response from 120Hz to 20kHz, balancing power and clarity perfectly.
Durable Construction
Featuring a 1-inch TIL voice coil with copper-clad aluminum winding, rubber surround, and a sturdy aluminum basket: the DXQ3.5 provides reliable heat dissipation and long-lasting performance.
Easy Installation
With a compact 1.5-inch mounting depth and 2.9-inch cutout diameter, this midrange driver fits easy in most custom car audio setups.
Upgrade to DS18’s DXQ3.5 and experience music with sharp clarity and precision!
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