Description
DS18 PRO-SM8.2
The DS18 PRO-SM8 series speakers are 8-inch midrange/pro-audio speakers designed for car audio enthusiasts seeking loud, clear, and dynamic midrange performance. Constructed with a durable steel basket, high-temperature voice coil, and rigid cone design, these speakers deliver strong midrange projection with minimal distortion, even at high volumes. Ideal for doors, rear decks, or custom SPL builds, the PRO-SM8 series provides excellent vocal clarity and punchy mid frequencies for daily driver upgrades or professional competition-level systems. With high efficiency and robust construction, these speakers ensure long-lasting, reliable performance in demanding automotive audio setups.
Specifications
| Parameter | Value |
|---|---|
| SKU | PRO-SM8.2 |
| Nominal Diameter | 8″ / 203.2 mm |
| Nominal Impedance | 2 Ohms |
| RMS Power Handling | 250 W |
| Maximum Power Handling | 500 W |
| Sensitivity (1w/1m) | 97 dB |
| Frequency Response | 65 Hz – 12 kHz |
| Recommended Hi-Pass Crossover | 160 Hz |
| Sold In | Piece |
Motor & Construction
| Component | Specification |
|---|---|
| Voice Coil Diameter | 1.5″ / 38.1 mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Basket Material | Steel |
| Magnet Weight | 25 Oz |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 25.91 L / 0.915 ft³ |
| Excursion (Xmax) | 8 mm |
| Free Air Resonance (Fs) | 100 Hz |
| Mechanical Q (Qms) | 8.051 |
| Electrical Q (Qes) | 1.013 |
| Total Q (Qts) | 0.9 |
| DC Resistance (Re) | 2 Ohms |
Measurements & Packaging
| Measurement | Value |
|---|---|
| Overall Diameter | 8.23″ / 209 mm |
| Front Mount Baffle Cutout | 7″ / 180 mm |
| Mounting Depth | 2.5″ / 63 mm |
| Overall Depth | 2.7″ / 69 mm |
| Product Weight | 5 lbs |
| Product Dimensions | 9 × 9 × 3 in |
| Master Carton Weight | 39 lbs |
| Master Carton Dimensions | 18.5 × 18.5 × 7 in |
| Master Carton Quantity | 8 |
Product Overview
8” Sealed-Back Slim Mid-Range Loudspeaker 2Ω
DS18’s PRO-SM8.2 is a sealed-back 8” mid-range engineered specifically for motorcycles and tight-fit installs where consistent pressure and output are necessary.
Engineered for Extreme Output
Rated at 250W RMS and 500W MAX at a tight 2-ohm load, the PRO-SM8.2 extracts every ounce of power from your amplifier. Its ultra-efficient 97dB sensitivity ensures you can hear your music LOUD and clear at highway speeds.
Built for Motorcycles and Harsh Environments
The PRO-SM8.2 features a reinforced water-resistant paper cone and a redesigned steel basket engineered to resist vibration at high volume. This latest version of the PRO-SM8.2 features an updated gasket design around the rim. With only a 2.5” mounting depth, it fits effortlessly in tight motorcycle applications where traditional drivers don’t stand a chance.
Precision-Focused Performance
Covering a 65Hz–12kHz frequency range with an 8mm Xmax, the PRO-SM8.2 projects smooth, powerful mid-range tones that cut through all noise. The sealed-back structure means you get controlled mid-range: even in small pods where open-back speakers usually fall short.
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