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5x7” Mid-Range Loudspeaker with Bullet
DS18’s PRO-X57.4BM is a heavy-duty 5x7” mid-range loudspeaker with bullet made for pure vocals and mids without distortion or drop-off at any volume. Rated at 175W RMS and 350W MAX at 4 ohms, this speaker brings clarity that cuts through chaos.
Massive Output
With a 94dB sensitivity rating, the PRO-X57.4BM gets loud easy, and its 100Hz–8kHz frequency response is the sweet spot for vocals, guitars, snares, and more. Paired with a sub, this speaker performs like a boss every time!
Pro-Level Construction
The oversized 1.5” CCAW voice coil is wound on a Kapton former, giving you high-temp resistance and long-term performance at full blast. Powered by a massive 20 oz ferrite magnet, this driver delivers aggressive midrange with razor-sharp control.
Focused Power with Aluminum Bullet
The aluminum bullet centers your sound and directs it with precision — perfect for motorcycles, UTVs, or open-cabin setups where you need to project sound far and LOUD!
Upgrade to the PRO-X57.4BM and experience mid-range in it’s purest form!
| Nominal Diameter | 5x7" / 127x178mm |
|---|---|
| Nominal Impedance | 4 Ohm |
| RMS Power Handling | 175W |
| MAX Power Handling | 350W |
| Sensitivity (1w/1m) | 94dB |
| Frequency Response | 100Hz-8kHz |
| Recommended HI Pass Crossover | 125Hz |
| Sold in Pair or Single | Single |
| Grill Included | No |
| Voice Coil Diameter | 1.5" / 38.6mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Non-Pressed Paper |
| Bullet Material | Aluminum |
| Bullet Color/Finish | Glossy Red |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Color/Finish | Glossy Red |
| Magnet Material | Ferrite |
| Magnet Weight | 20 Oz |
| Displacement Volume | 0.24L / 0.0084ft3 |
| Equivalent Volume | 10L / 0.353ft3 |
| Excursion (one way) | 1.4mm |
| Free Air Resonance | 150Hz |
| Mechanical Factor | 10.63 |
| Electrical Factor | 1.1 |
| Total Factor | 1 |
| Mechanical Mass | 9.14g |
| Mechanical Compliance | 0.088mm/N |
| BL Factor | 4.45 |
| Voice Coil Inductance | 0.118 mH |
| Cone Area | 203.58Cm2 |
| DC Resistance | 3.5 Ohms |
| Overall Diameter | 5.6x7.5" / 142x190mm |
| Overall Depth | 2.67" / 67.8mm |
| Front Mount Baffle Cutout | 5x7.1" / 127mmx181mm |
| Mounting Depth | 2.44" / 62mm |
| Motor Diameter | 4.33" / 110mm |
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.








