Product Overview
About: DS18 ZR15.4D 15" 750W RMS Car Subwoofer - Dual 4 Ohm
The ZR subline is an amazing entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 15 inch model comes in both dual 2 and dual 4 ohms configurations giving you many options to perfectly match your amplifiers optimal impedance. This model comes with a 2.5 inch aluminum voice coil that handles 750w RMS and 1500w max power. The large foam surround and pressed paper cone works greatly together to deliver smooth crisp bass that can be heard strongly throughout and outside the vehicle.
Product Highlights:
- Large foam surround giving great XMAX and bass precision while keeping great cone control when the subwoofer is close to maximum power.
- Great power handling of 750w RMS and 1500w Max through a high strength 2.5 inch aluminum voice coil.
- Very strong stamped basket with show quality DS18 logos on the frame, magnet boot, magnet, DS18 dust cap, and high quality push terminal connectors.
- Designed to give crisp and clear bass in any vehicle and can be used in sealed and ported boxes making them highly versatile.
Specifications:
- Nominal Diameter: 15”
- Nominal Impedance: 4 + 4 Ohms
- RMS Power Handling: 750W
- MAX Power Handling: 1500W
- Sensitivity (1w/1m): 82 dB
- Frequency Response: 21Hz - 200 Hz
- Recommended Lo Pass Crossover: 80 Hz
Motor:
- Voice Coil Diameter: 2.5" / 61.6mm
- VC Former Material: Aluminum
- Winding Material: Copper
- Cone Material: Non Pressed Paper
- Dust Cap Material: PPI
- Surround Material: Foam
- Basket Material: Steel
- Basket Color/Finish: Matte Black
- Magnet Material: Ferrite
- Magnet Weight: 100 oz
- Displacement Volume: 0.11 ft3
Thiele & Small Parameters:
- Equivalent Volume: 83.6 L
- Excursion (one way): 25mm
- Free Air Resonance: 29Hz
- Mechanical Factor: 4.3
- Electrical Factor: 0.99
- Total Factor: 0.8
- Moving Mass: 273g
- Compliance: 81.9µ m/N
- BL Factor: 9.9
- Voice Coil Inductance: 838.3m mH
- Cone Area: 834.69 Cm2
- DC Resistance: 3.4 + 3.4 ohm
- Efficiency Bandwidth Product: 29.3
Measurements:
- Overall Diameter: 15.35” / 391mm
- Overall Depth: 8.41”/213.56mm
- Front Mount Baffle Cutout: 13.95”/354.24mm
- Mounting Depth: 7.39”/187.76mm
- Motor Diameter: 6.1" / 155mm
