DS18 PRO-ZT6SL 6.5” Slim Coaxial Mid-Range Loudspeaker with Water-Resistant Cone Built-in Bullet Tweeter – 200W RMS 4-Ohm

Get clearer, louder sound with the DS18 PRO-ZT6SL, a 6.5-inch speaker rated 200W RMS.

At a glance

• Power: 200W RMS
• Impedance: 4 ohm

Details

The DS18 c 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

Motor

Voice Coil Diameter
1.5" / 38.1mm
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
Magnet Weight
21 Oz

Tweeter Specifications

Voice Coil Diameter
1" / 25.4mm
Voice Coil Former Material
Kapton
Winding Material
CCAW
Diaphragm Material
Aluminum Alloy
Magnet Material
Neodymium (N35H)
Magnet Weight
0.44 Oz

Thiele & Small Parameters

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

Measurement

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

UPC: 810199440477

Why buy from Stereo-Needs

• Free shipping on every order
• Family business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)
• Not sure it fits your vehicle or system? Call or text 951-497-3497 before you order