Description

DS18 PRO-SDF8
The PRO-SDF8 is an 8″ round bolt-on horn diffuser designed to enhance sound dispersion and high-frequency clarity when used with compatible compression drivers or tweeters. It is not a speaker, but an audio accessory that efficiently shapes and directs sound for improved vocal detail and treble projection. Its horn-loaded design increases sensitivity and sound coverage, making it ideal for SPL car audio systems, PA setups, and professional sound applications. Built with durable materials, the PRO-SDF8 ensures long-lasting performance and reliable operation under high sound pressure conditions.
Specifications
General Specifications
| Specification | Details |
|---|---|
| SKU | PRO-SDF8 |
| Nominal Speaker Diameter (Not included) | 8″ / 203.2 mm |
| Nominal Horn Size | 10″ / 254 mm |
| Throat Diameter | 4.92 × 4.92″ / 125 × 125 mm |
| Installation Type | Bolt-On |
| Sound Coverage | 90° |
| Body Material | ABS |
| Color | Black Matte |
Measurements
| Measurement | Dimensions |
|---|---|
| Overall Diameter | 10″ / 254 mm |
| Overall Depth | 5.15″ / 131 mm |
| Mounting Depth | 4.88″ / 124 mm |
| Mounting Hole Diameter | 8.9 × 8.9″ / 226 × 226 mm |
| Bolt Pattern (Speaker) | 7.79″ / 198 mm |
Product Overview
PRO 8” Loudspeaker Horn Diffuser
With DS18’s PRO-SDF8, you can unleash focused beams of audio energy towards the crowd at your next local car meet. Designed for competition; the PRO-SDF8 is engineered to project audio for miles without compromising on sound quality.
Precision engineering is at the forefront of the PRO-SDF8’s design. The 198mm Speaker Bolt guarantees a secure fit onto your 8” Mid-Range Loudspeaker even when you turn the bass up a notch. The 6mm thickness of the diffuser guarantees durability and extended longevity, ensuring that your investment in your audio doesn’t go to waste.
The PRO-SDF8 comes with 4-M4 Nut-Inserts, so installation is a breeze. No need to hunt for additional hardware; we’ve got you covered. Within no time, the PRO-SDF8 will be installed and you’ll finally be able to get LOUD with the competition.













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