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Professional Audio Speakers should slay their respective frequency ranges, and the 6PRO300MB-4 own the mid-bass range!
Designed for powerful and punchy bass responses, the 6PRO300MB-4 deliver clear and loud sound without any distortion, making it perfect for those who like it LOUD!
One of the key features of this speaker is its frequency response range, which spans from 80Hz to 6KHz. Expect a solid midbass response from the 6PRO300MB-4, which is essential for reproducing the lower frequencies of your music with clarity and impact.
The 6PRO300MB-4 is an 4 ohm speaker and should be able to be incorporated into any professional audio system seamlessly.
The 1.5” Voice coil on the 6PRO300MB-4 handles 150W RMS and 300W Max power levels; very manageable power settings for a speaker with an insanely high 96 dB sensitivity!
If you’re looking to add a professional audio speaker that plays mid-bass notes with authority, the 6PRO300MB-4 is for you!
Highlights
Great For





| SPECIFICATIONS | |
| Nominal Diameter | 6.5" / 165mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 150W |
| MAX Power Handling | 300W |
| Sensitivity (1w/1m) | 96 dB |
| Frequency Response | 80Hz-6KHz |
| Recommended HI Pass Crossover | 100Hz |
| Sold in Pair or Single | Single |
| Grill Included | No |
| MOTOR | |
| Voice Coil Diameter | 1.5" / 38.1mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Paper |
| Dust Cap Material | Paper |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Color/Finish | Satin Black |
| Magnet Material | Ferrite |
| Magnet Weight | 20oz |
| Displacement Volume | 0.32L / 0.011ft3 |
| MEASUREMENT | |
| Overall Diameter | 6.5" / 166mm |
| Overall Depth | 3.1" / 79mm |
| Front Mount Baffle Cutout | 5.6" / 143mm |
| Mounting Depth | 2.8" / 73mm |
| Motor Diameter | 4.5" / 115mm |
| SKU | 6PRO300MB-4 |
|---|---|
| Nominal Diameter | 6.5" / 165mm |
| Nominal Impedance | 4 Ohm |
| RMS Power Handling | 150W |
| Maximum Power Handling | 300W |
| Sensitivity (1w/1m) | 96 dB |
| Frequency Response | 80Hz-6KHz |
| Recommended HI Pass Crossover | 100Hz |
| Sold in Pair or Single | Single |
| Grill Included | No |
| Voice Coil Diameter | 1.5" / 38.1mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Paper |
| Dust Cap Material | Paper |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Color/Finish | Satin Black |
| Magnet Material | Ferrite |
| Magnet Weight | 20oz |
| Displacement Volume | 0.32L / 0.011ft3 |
| Equivalent Volume Vas | 2.79L / 0.098ft3 |
| Excursion (one way) Xmax | 9.4mm |
| Free Air Resonance Fs | 142Hz |
| Mechanical Factor Qms | 2.09 |
| Electrical Factor Qes | 0.47 |
| Total Factor Qts | 0.39 |
| Moving Mass Mms | 10.85g |
| Compliance Cms | 0.12mm/N |
| Bl Factor Bl | 8.47 |
| Voice Coil Inductance Le | 0.16mH |
| Diaphragm Area Sd | 130.7cm2 |
| DC Resistance Re | 3.5ohms |
| Overall Diameter | 6.5" / 166mm |
| Overall Depth | 3.1" / 79mm |
| Front Mount Baffle Cutout | 5.6" / 143mm |
| Mounting Depth | 2.8" / 73mm |
| Motor Diameter | 4.5" / 115mm |
| Gross Single Unit Weight (lb) | 5 |
| Dimensions W x L x H (Inches) | 7.25 x 7.25 x 3.5 |
| Quantity of Units in Master Carton | 8 |
| Gross Master Carton Weight (lb) | 40 |
| M/C Dimensions W x L x H (Inches) | 15 x 15 x 7.75 |
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 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.
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.




















