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DS18's ZXI line is both highly innovative and intuitive making it a very versatile audio line that will bring you loud and clear music on demand. This 2-way 6.5" takes 80w RMS and 240w Max and with a 89 dB sensitivity rating, you don't need a lot of power to bring these very loud speakers to extremely high volumes. These speakers are an amazing choice for your average every day to extreme audiophile!
Highlights



| SPECIFICATIONS | |
| Nominal Diameter | 6.5” |
| Nominal Impedance | 4 ohms |
| RMS Power Handling | 80 Watts |
| MAX Power Handling | 240 Watts |
| Sensitivity (1w/1m) | 89dB |
| Frequency Response | 40Hz - 20KHz |
| Recommended HI Pass Crossover | 60Hz |
| Speaker Type | 2-Way |
| MOTOR | |
| Voice Coil Diameter | 1” / 25.5mm |
| Voice Coil Former Material | KSV |
| Winding Material | EISV |
| Cone Material | Glass fiber |
| Surround Material | Rubber |
| Basket Material | Steel |
| Magnet Material | Barium Ferrite |
| Magnet Weight | 14.46 oz / 410g |
| TWEETER | |
| Nominal Diameter | 1" / 25.4mm |
| Voice Coil Diameter | 0.8" / o20.4mm |
| Voice Coil Former Material | KSV |
| Winding Material | EISVM |
| Diaphragm Material | PEI |
| Magnet Material | Neodymium |
| Magnet Weight | 0.3 oz / 8.5g |
| Equivalent Volume | 10.84L |
| Excursion (one way) | 2.7mm |
| Free Air Resonance | 64Hz |
| Mechanical Factor | 9.44 |
| Electrical Factor | 0.79 |
| Total Factor | 0.73 |
| Mechanical Mass | 13.72g |
| Mechanical Compliance | 444mm/N |
| BL Factor | 5.1 |
| Voice Coil Inductance | 228mH |
| Cone Area | 131cm2 |
| DC Resistance | 3.5 ohm |
| Mechanical Mass w/o air | 12g |
| MEASUREMENTS | |
| Overall Diameter | 6.50” / 165mm |
| Overall Depth | 2.83” / 72mm |
| Front Mount Baffle Cutout | 5.55” / 141mm |
| Mounting Depth | 2.36” / 60mm |
| Motor Diameter | 3.70” / 94mm |

| SKU | ZXI-654 |
|---|---|
| Nominal Diameter | 6.5 Inches / 25.4 mm (1 inch) |
| Nominal Impedance | 4 ohm |
| RMS Power Handing | 80 WATTS |
| MAX Power Handing | 240 WATTS |
| Sensitivity | 89 dB |
| Frequency Response | 40 Hz - 20 KHz |
| Recommended HI Pass | 60 Hz |
| Speaker Type | 2-Way |
| Voice Coil Diameter | 25.5 mm (1 inch) / 20.4 mm (0.8 inch) |
| Voice Coil Former Material | KSV |
| Winding Material | EISV / EISVM |
| Cone Material | Glass fiber |
| Surround Material | Rubber |
| Basket Material | Steel |
| Magnet Material | Barium Ferrite / Neodymium |
| Magnet Weight | 14.46 oz / 410 g / 8.5 g / 0.3 oz |
| Diaphragm Material | PEI |
| Vas | 10.84 LTR |
| Xmax | 2.7 mm |
| Fs | 64 Hz |
| Qms | 9.44 |
| Qes | 0.79 |
| Qts | 0.73 |
| Mms | 13.72 g |
| Cms | 444 mm / N |
| BL | 5.1 |
| Le | 228 mH |
| Sd | 131 cm2 |
| Re | 3.5 ohm |
| Mmd | 12 g |
| Overall Diameter | 6.50 inch (165 mm) |
| Overall Depth | 72 mm (2.83 inch) |
| Front Mount Baffle Cutout | 141 mm (5.55 inch) |
| Mounting Depth | 60 mm (2.36 inch) |
| Motor Diameter | 94 mm (3.70 inch) |
| Product Weight | 5.5 lbs |
| Product Dimensions | 15.75 x 7.75 x 3.75 |
| M/C Weight | 35 lbs |
| M/C Dimensions | 16.5 x 16.75 x 12.25 |
| M/C QTY | 6 |
| Sold In | Pair |
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.
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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.
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