DS18 ZR8.4D 8" Car Subwoofer with 900 Watts 4-Ohm DVC

The ZR subline is a great 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 8 inch model comes in both dual 2 and dual 4 ohm configurations giving you many options to match your amplifiers optimal impedance. This model comes with a 2 inch voice coil that handles 450w RMS and 900w max power. The large foam surround and pressed paper cone works greatly together to deliver smooth crisp bass that can be heard strongly throughout the vehicle.

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 450w RMS and 900w max through a high strength 2 inch aluminum voice coil.
Very strong stamped basket with show quality DS18 logos on the frame, magnet boot, motor, and dust cap.
Designed to give crisp and clear bass in any vehicle and can be used in sealed and ported boxes.

Technical Details

ZR8.4D Product Manual

SPECIFICATIONS
Nominal Diameter	8”
Nominal Impedance	4+4 OHMS
RMS Power Handling	450W
MAX Power Handling	900W
Sensitivity (1w/1m)	82 dB
Frequency Response	33Hz - 200 Hz
Recommended Lo Pass Crossover	120 Hz
MOTOR
Voice Coil Diameter	2” / 50.8mm
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	55 oz
Displacement Volume	0.03 ft3
THIELE & SMALL PARAMETERS
Equivalent Volume	5.33 L
Excursion (one way)	18mm
Free Air Resonance	45Hz
Mechanical Factor	4.7
Electrical Factor	0.745
Total Factor	0.643
Moving Mass	97g
Compliance	97.58µ m/N
BL Factor	9.48
Voice Coil Inductance	551.18m mH
Cone Area	196 Cm2
DC Resistance	3.4 + 3.4 ohm
Efficiency Bandwidth Product	60.4
MEASUREMENTS
Overall Diameter	8.42” / 214mm
Overall Depth	5.3” / 134mm
Front Mount Baffle Cutout	7.24” / 184mm
Mounting Depth	4.4” / 111.4mm
Motor Diameter	5.7" / 145mm

DS18 ZR8.4D 8" Car Subwoofer with 900 Watts 4-Ohm DVC

Technical Details

Box Info