PRO 8" Slim Water-Resistant Midrange Loudspeaker | 250W RMS 4-Ohm
Product Overview DS18 PRO-SM8.48" Shallow Water-Resistant Midrange Loudspeaker | 500W MAX | 4Ω Our PRO-SM8.4 is the...
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Product Overview
DS18 PRO-SM8.4
8" Shallow Water-Resistant Midrange Loudspeaker | 500W MAX | 4Ω
Our PRO-SM8.4 is the ultimate midrange speaker for motorcycles, powersports and off-road applications that want powerful, weather-resistant performance.
Optimized for Outdoor Performance
This 8” shallow-mount midrange speaker handles 250W RMS and 500W MAX at 4 ohms. With a wide frequency response of 65Hz–12kHz and a sensitivity of 97dB, it cuts through all noise easily.
Built to Withstand the Elements
The PRO-SM8.4 uses a water-resistant paper cone and dust cap, paired with a coated cloth surround to protect against whatever the road throws at you. At just 2.5” mounting depth and a 7” cutout diameter, it’s designed to fit tight installs without compromise.
Get the PRO-SM8.4 and give your system the volume it needs to stand out!
Key Features
- 8” Shallow Midrange Speaker 500W MAX / 250W RMS
- 4-Ohm Impedance for Easy Amplifier Matching
- Water-Resistant Cone, Dust Cap, and Cloth Surround
- High Sensitivity (97dB) for Clear, Loud Output
- 1.5” Kapton Voice Coil with 25oz Ferrite Magnet
- 2.5” Mounting Depth for Versatile Install Options
Specifications
| Nominal Diameter | 8" / 203.2mm |
|---|---|
| Nominal Impedance | 4-Ohm |
| RMS Power Handling | 250W |
| MAX Power Handling | 500W |
| Sensitivity (1w/1m) | 97dB |
| Frequency Response | 65Hz - 12KHz |
| Recommended HI Pass Crossover | 160 Hz |
| Pair or Single | Single |
| Grill Included | No |
| Voice Coil Water Protection | No |
| Water-Resistant Rating | N/A |
| Voice Coil Diameter | 1.5" / 38.1mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Water Resistant Paper |
| Surround Material | Coated Cloth |
| Basket Material | Steel |
| Basket Color/Finish | Gloss Red |
| Magnet Material | Ferrite |
| Magnet Weight | 25 Oz |
| Equivalent Volume | 24.96L / 0.881f3 |
| Excursion (one way) | 1.3 mm |
| Free Air Resonance | 110Hz |
| Mechanical Factor (Qms) | 8.062 |
| Electrical Factor (Qes) | 1.024 |
| Total Factor (Qts) | 0.898 |
| Mechanical Mass | 10.132g |
| Mechanical Compliance | 0.416mm/N |
| BL Factor | 3.027 |
| Voice Coil Inductance | 0.364mH |
| Cone Area | 213.82cm2 |
| DC Resistance | 3.2 ohms |
| Mechanical Mass w/o Air | 9.98g |
| Overall Diameter | 8.23" / 209mm |
| Overall Depth | 2.7" / 69mm |
| Front Mount Baffle Cutout | 7" / 180mm |
| Mounting Depth | 2.5" / 63mm |
| Motor Diameter | 4.72" / 120mm |
Manuals & Documents
Shipping
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Important Notes
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.