Description
DS18 PRO-X4.4BMSL
The DS18 PRO-X4.4BMSL is a compact 4-inch dual 4-ohm high-excursion subwoofer designed for car audio enthusiasts seeking tight, punchy, and precise low-frequency performance in small enclosures. Rated at 200 W RMS and 400 W peak power handling, this subwoofer delivers controlled, clean bass with excellent efficiency, making it perfect for compact car audio systems or daily driver upgrades. Its rugged and durable construction ensures reliability for continuous use, while providing bass response down to approximately 55 Hz. Ideal for small SPL builds, compact bass setups, or supplementing full-range audio systems.
Specifications
| Specification | Value |
|---|---|
| SKU | PRO-X4.4BMSL |
| Nominal Diameter | 4 Inch / 101.6 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 100 W |
| Max Power Handling | 200 W |
| Sensitivity (1W/1M) | 89 dB |
| Frequency Response | 260 Hz – 11.5 kHz |
| Recommended Hi-Pass Crossover | 280 Hz |
| Sold As | Single |
MOTOR SPECIFICATIONS
| Specification | Value |
|---|---|
| Voice Coil Diameter | 1 Inch / 25.4 mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Basket Material | Steel |
| Magnet Weight | 6 Oz |
THIELE & SMALL PARAMETERS
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 0.567 L / 0.02 ft³ |
| Excursion (Xmax, one way) | 5.8 mm |
| Free Air Resonance (Fs) | 251 Hz |
| Mechanical Factor (Qms) | 3.307 |
| Electrical Factor (Qes) | 3.044 |
| Total Factor (Qts) | 1.585 |
| DC Resistance (Re) | 3.2 Ohms |
MEASUREMENTS
| Specification | Value |
|---|---|
| Overall Diameter | 4.11 Inch / 104.5 mm |
| Front Mount Baffle Cutout | 4 Inch / 102.3 mm |
| Mounting Depth | 1.63 Inch / 41.4 mm |
| Overall Depth | 1.74 Inch / 44.3 mm |
| Product Weight | 1 lb |
| Product Dimensions (L x W x H, Inches) | 4.5 x 4.5 x 2.25 |
| Master Carton Weight | 29 lb |
| Master Carton Dimensions (L x W x H, Inches) | 14.5 x 10 x 9.5 |
| Master Carton Quantity | 24 |
Product Overview
PRO-X 4″ Slim Mid-Range Loudspeaker with Bullet 200 Watts 4-Ohm
Elevate your audio experience to new heights with the PRO-X4.4BMSL, a cutting-edge addition to the DS18 lineup. This compact powerhouse is designed to take your sound system to extreme levels of volume and performance.
Featuring a 1″ / 25.4mm Kapton Voice Coil, the PRO-X4.4BMSL is built to withstand the most intense jam sessions without compromising on quality. Its high-temperature resistance ensures that you can play this speaker as long as you want.
Engineered for convenience and compatibility, this speaker boasts a reduced mounting depth and an RMS Power Rating of 100 W. The PRO-X4.4BMSL effortlessly integrates into any build, making installation a breeze.
Equipped with DS18’s innovative Bullet Resonator, the PRO-X4.4BMSL unlocks a frequency range that will captivate your senses. From deep and powerful bass at 260Hz to crystal-clear highs reaching 11.5KHz, the PRO-X4.4BMSL delivers a complete spectrum of sound.
With a Nominal Diameter of 4″ / 101.6mm and a Nominal Impedance of 4 Ohms, this speaker strikes the perfect balance between size and performance. Its high 89dB sensitivity ensures accurate tonal reproduction even at extreme volumes.
Designed with meticulous attention to detail, the PRO-X4.4BMSL features a sturdy steel basket with a vibrant red gloss finish, exuding an air of sophistication and style.
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