Description

DS18 PRO-X6.4BMSL
The DS18 PRO-X6.4BMSL is a premium 6.5-inch dual 4-ohm high-excursion subwoofer designed for car audio enthusiasts who want deep, punchy, and precise low-frequency performance in a compact size. Rated at 350 W RMS and 700 W peak power handling, this subwoofer delivers controlled, tight bass with excellent efficiency. Its rugged construction ensures reliability for daily drivers, compact SPL builds, or high-performance car audio systems. Suitable for both sealed and ported enclosures, the PRO-X6.4BMSL produces bass response down to approximately 40 Hz, providing immersive, high-impact low-end in smaller car setups.
Specifications
| Specification | Value |
|---|---|
| SKU | PRO-X6.4BMSL |
| Nominal Diameter | 6.5 Inch / 165 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 200 W |
| Max Power Handling | 400 W |
| Sensitivity (1W/1M) | 95 dB |
| Frequency Response | 80 Hz – 5 kHz |
| Recommended Hi-Pass Crossover | 130 Hz |
| Sold As | Single |
| Grill Included | No |
MOTOR & CONE SPECIFICATIONS
| Specification | Value |
|---|---|
| Voice Coil Diameter | 1.5 Inch / 38.1 mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Non-Pressed Paper |
| Bullet Material | Aluminum |
| Bullet Finish | Glossy Red |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Finish / Color | Glossy Red |
| Magnet Material | Ferrite |
| Magnet Weight | 21 Oz |
THIELE & SMALL PARAMETERS
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 4.51 L / 0.159 ft³ |
| Excursion (Xmax, one way) | 6.4 mm |
| Free Air Resonance (Fs) | 140 Hz |
| Mechanical Factor (Qms) | 6.59 |
| Electrical Factor (Qes) | 0.81 |
| Total Factor (Qts) | 0.72 |
| Mechanical Mass (Mms) | 6.92 g |
| Mechanical Compliance (Cms) | 0.19 mm/N |
| BL Factor (BL) | 4.99 |
| Voice Coil Inductance (Le) | 0.03 mH |
| Cone Area (Sd) | 130.7 cm² |
| DC Resistance (Re) | 3.3 Ohms |
MEASUREMENTS
| Specification | Value |
|---|---|
| Overall Diameter | 6.65 Inch / 169 mm |
| Overall Depth | 2.36 Inch / 60 mm |
| Front Mount Baffle Cutout | 5.63 Inch / 143 mm |
| Mounting Depth | 2.15 Inch / 54.5 mm |
| Motor Diameter | 4.3 Inch / 110 mm |
Product Overview
PRO-X 6.5″ Slim Mid-Range Loudspeaker with Bullet 400 Watts 4-Ohm
The PRO-X6.4BMSL is a slim mid-range designed to take your sound system to EXTREME levels of performance.
Featuring a 1.5″ Kapton Voice Coil, the PRO-X6.4BMSL is built to withstand the most intense jam sessions without compromising on quality, so you can play your music as long as you want.
Engineered for compatibility, the PRO-X6.4BMSL has a reduced mounting depth and an RMS Power Rating of 200W allowing it to effortlessly integrate into any build.
Equipped with an innovative Bullet Resonator, the PRO-X6.4BMSL is insanely versatile. From deep and powerful bass at 80Hz to crystal-clear highs reaching 5KHz, the PRO-X6.4BMSL delivers a complete audio experience. Its high 93dB sensitivity ensures accurate tonal reproduction even at extreme volumes.
The PRO-X6.4BMSL strikes the perfect balance between size and performance. Redesigned with meticulous attention to detail, it features a sturdy steel basket with a vibrant red gloss finish so you can get LOUD in style.






























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