PRO-ZT 6.5” Slim Coaxial Mid-Range Loudspeaker with Water-Resistant Cone Built-in Bullet Tweeter | 200W RMS 4-Ohm
PRO-ZT 6.5” Slim Coaxial Mid-Range Loudspeaker with Water-Resistant Cone Built-in Bullet Tweeter | 200W RMS 4-Ohm
Product Overview
DS18 PRO-ZT6SL
6.5” Ultra Slim 2-Way Mid-Range with Built-In Bullet Tweeter | 400W Max | 4 Ohm
The PRO-ZT6SL gives you full-size output in a super shallow 2.15” profile, built to fit tight spaces without sacrificing volume or clarity.
Shallow Build
At just 2.15” mounting depth, the PRO-ZT6SL is made for motorcycles, doors, pods, and custom panels where space is limited.
2-Way Power
A built-in bullet tweeter with neodymium magnet delivers crystal-clear highs. Combined with a 6.5” mid-range cone, the PRO-ZT6SL plays strong from 85Hz–20kHz, giving you clean vocals and sharp detail in one drop-in speaker.
Engineered for Real-World Use
The water-resistant cone and treated cloth surround are made to withstand moisture and the pressure of daily use.
Let It Rip
With 200W RMS / 400W MAX, 4-ohm impedance, and 96.5dB sensitivity, this speaker gets loud fast, even on lower power. It’s the perfect blend of output and efficiency in a frame that fits anywhere.
Get full-range clarity without giving up space using DS18’s PRO-ZT6SL.
Key Features
- 6.5" Slim Coaxial 2-Way
- RMS Power: 200 Watts (400 Watts Peak)
- Ultra-Shallow Mounting Depth: 2.15"
- Ferrite & Neodymium Magnets
- Built-in Tweeter
- Water-Resistant Cone with Treated Cloth Surround (IP32 Rated)
Specifications
| Nominal Diameter | 6.5" / 165.1mm |
|---|---|
| Nominal Impedance | 4 ohms |
| RMS Power Handling | 200W |
| MAX Power Handling | 400W |
| Sensitivity (1w/1m) | 95 dB |
| Frequency Response | 80Hz-20kHz |
| Recommended HI Pass Crossover | 120Hz |
| Pair or Single | Single |
| Grill Included | No |
| Voice Coil Water Protection | No |
| Water-Resistant Rating | IP32 |
| Sold as | Single Unit |
| Voice Coil Diameter | 1.5" / 38.1mm / 1" / 25.4mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Water-Resistant Paper |
| Surround Material | Treated Cloth |
| Basket Material | Steel |
| Basket Color / Finish | Glossy Black |
| Magnet Material | Ferrite / Neodymium (N35H) |
| Magnet Weight | 21 Oz / 0.44 Oz |
| Diaphragm Material | Aluminum Alloy |
| Equivalent Volume | 2.97L / 0.785ft3 |
| Excursion (one way) | 1.5mm |
| Free Air Resonance | 150Hz |
| Mechanical Factor | 7.186 |
| Electrical Factor | 0.681 |
| Total Factor | 0.622 |
| Mechanical Mass | 8.809g |
| Mechanical Compliance | 0.119mm/N |
| BL Factor | 6.521 |
| Voice Coil Inductance | 0.129mH |
| Cone Area | 132.73cm2 |
| DC Resistance | 3.2 ohms |
| Mechanical Mass w/o air | 7.081g |
| Overall Diameter (Without Grill) | 6.57" / 167mm |
| Overall Depth (Without Grill) | 3" / 78mm |
| Front Mount Baffle Cutout | 5.7" / 145mm |
| Mounting Depth | 2.15" / 55mm |
| Motor Diameter | 4.3" / 110mm |







