Description

DS18 S65
The DS18 S65 is a 6.5‑inch 2‑way coaxial car audio speaker pair engineered to deliver balanced, full‑range sound with deep lows, clear mids, and crisp highs — perfect for upgrading factory audio systems or enhancing aftermarket setups. These speakers have a 4 Ω nominal impedance and 60 W RMS (180 W peak) power handling, making them compatible with a wide range of head units and amplifiers. With a frequency response from approximately 35 Hz to 20 kHz, and a sensitivity of 88.5 dB, they reproduce music with strong output and minimal distortion. Built with a PPI woofer cone, rubber surround, steel basket, 1″ voice coil, and a 1″ tweeter with a neodymium magnet and Mylar diaphragm, the S65 speakers deliver durability and enhanced sound clarity. This pair includes protective grills and is designed to fit common 6.5″ mounting locations in car doors and rear decks, offering an immersive listening experience at an affordable price.
Specification
| Category | Specification |
|---|---|
| SKU | S65 |
| Nominal Diameter | 6.5″ / 165 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 60W |
| MAX Power Handling | 180W |
| Sensitivity (1W/1m) | 88.5 dB |
| Frequency Response | 35Hz-20kHz |
| Recommended Hi Pass Crossover | 60Hz |
| Number of Ways | 2 |
| Pair or Single | Pair |
| Grill Included | Yes |
Woofer Specifications
| Parameter | Value |
|---|---|
| Voice Coil Diameter | 1″ / 25.5 mm |
| Voice Coil Former Material | ASV |
| Winding Material | EISV |
| Cone Material | PPI |
| Surround Material | Rubber |
| Basket Material | Steel |
| Basket Color/Finish | Black Matte |
| Magnet Material | Barium Ferrite |
| Magnet Weight | 8 Oz / 227 g |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume Vas | 8.25 L / 0.29 ft³ |
| Excursion (one way) Xmax | 2.7 mm |
| Free Air Resonance Fs | 70 Hz |
| Mechanical Factor Qms | 6.09 |
| Electrical Factor Qes | 1.93 |
| Total Factor Qts | 1.47 |
| Mechanical Mass Mms | 11.4 g |
| Mechanical Compliance Cms | 320 mm/N |
| BL Factor BL | 3.96 |
| Voice Coil Inductance Le | 187 µH |
| Cone Area Sd | 136.8 cm² |
| DC Resistance Re | 3.4 Ohms |
| Mechanical Mass w/o air Mmd | 12 g |
Tweeter Specifications
| Parameter | Value |
|---|---|
| Nominal Diameter | 1″ / 25.5 mm |
| Voice Coil Diameter | 0.5″ / 13.25 mm |
| Voice Coil Former Material | ASV |
| Winding Material | EISVM |
| Diaphragm Material | Mylar |
| Magnet Material | Neodymium |
| Magnet Weight | 1.8 g |
Speaker Measurement
| Parameter | Value |
|---|---|
| Overall Diameter | 6.5″ / 165 mm |
| Overall Depth | 2.3″ / 58.5 mm |
| Overall Diameter (With Grill) | 7″ / 179 mm |
| Overall Depth (With Grill) | 3″ / 77 mm |
| Front Mount Baffle Cutout | 5.6″ / 143 mm |
| Mounting Depth | 2″ / 53 mm |
| Motor Diameter | 3.15″ / 80 mm |
| Tweeter Protrusion | 0.25″ / 6.4 mm |
| Gross Single Unit Weight | 0.71 kg |
| Single Unit Box Dimensions (W x L x H) | 185 x 90 x 370 mm |
| Quantity of Units in Master Carton | 10 PRS/CTN |
| Gross Master Carton Weight | 17 kg |
| Master Carton Dimensions (W x L x H) | 475 x 385 x 390 mm |
Product Overview
Enhance your driving experience with DS18’s S65. These high-quality 6.5” 2-way coaxial speakers deliver powerful, crystal-clear sound that will transform your car’s audio.
Designed with both style and functionality in mind, these speakers feature a sleek black matte basket and come in pairs with grills included.
The S65’s are a perfect fit for any vehicle’s audio system. The 4 Ohm nominal impedance ensures compatibility with a wide range of amplifiers, allowing you to customize your sound system to your preferences. With an RMS power handling of 60W, these speakers can handle even the most demanding audio setups.
DS18’s S65’s are built to impress. The woofer is equipped with a 1″ voice coil and The cone is made from PPI material, delivering clear and accurate bass response. The rubber surround provides excellent damping properties, enhancing overall sound quality.
Not just focused on low frequencies, these speakers also excel in reproducing high frequencies with the integrated 1″ tweeter. The neodymium magnet and Mylar diaphragm ensure crisp and detailed high frequency sound reproduction.
Upgrade your car audio system today and enjoy the immersive sound experience that only DS18 can provide.

















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