DOWN4SOUND | DBZ 10″ SUBWOOFER | 1300W RMS | D2

The DOWN4SOUND DBz-10 D2 is built for car audio enthusiasts who want massive bass, high value, and rugged performance without the premium price tag. Delivering a powerful 1300W RMS, this subwoofer offers exceptional output in both compact and mid-sized enclosures. With a dual 2-ohm voice coil configuration, a real carbon fiber dustcap, and an efficient motor system, the DBz-10 D2 provides reliable, hard-hitting bass for daily drivers and show builds alike.

Key Features

1300W RMS power handling
Dual 2-ohm voice coil design
2.75-inch high-temperature voice coil
28 mm one-way Xmax for extreme linear travel
Real carbon fiber dustcap for strength and rigidity
Advanced venting throughout the motor for improved cooling
Heavy-duty design optimized for high output and long-term durability

Technical Specifications (T/S Parameters)

Revc (DC Resistance): 3.960 ohm
Resonance Frequency (Fs): 40.136 Hz
Qms: 2.929
Qes: 0.489
Qts: 0.419
Mms (Moving Mass): 288.732 g
Cms (Compliance): 54.460 m/N
Rms (Mechanical Resistance): 0.810
Vas: 10.181 L
Sd: 56.305 cm
BL Product: 24.291 Tm
Sensitivity (SPL): 83.2 dB
Xmax: 28 mm (one-way, mechanical)
Displacement: 0.09 cu ft

Engineering and Construction

Optimized mid-size motor for high efficiency and strong output
Rear gap ventilation reduces coil temperatures during extended play
Reinforced suspension for stable, reliable high-excursion performance
Precision-wound 2.75 inch coil supports high thermal loads
Carbon fiber dustcap increases rigidity and reduces distortion
Designed as a powerful, affordable upgrade for any system

Recommended Enclosures
Sealed Enclosure:

0.5 cubic foot (net)

Ported Enclosure:

1.0 cubic foot (net)
Recommended Tuning: 32 Hz
Recommended Port Area: 1215 square inches total port area

This enclosure range provides the DBz-10 D2 with an excellent balance between low-end extension and punchy upper bass while maintaining clean airflow through the port.

Physical Dimensions

Cutout Diameter: 9.45 in (240 mm)
Mounting Depth: 7.36 in (187 mm)
Outside Diameter: 10.79 in (274 mm)
Motor Diameter: 9.45 in (240 mm)
Net Weight: 31.7 lb (14.4 kg)
Gross Weight: 35.3 lb (16.0 kg)

Why You Should Buy the DBz-10 D2

Massive output for its size with true 1300W RMS performance
Compact footprint with deep, punchy bass response
Dual 2-ohm voice coils offer flexible wiring options
Carbon fiber dustcap enhances both performance and aesthetics
Designed for users who want powerful bass without overspending

Ideal Applications

Daily-driven music systems seeking strong low-end performance
Builds tuned in the 2835 Hz range, where the DBz-10 produces deep, rolling lows with real vehicle cabin gain
Trunk, SUV, hatchback, and under-seat enclosures
SQL and SPL-influenced daily setups
Users wanting responsive punch with usable low-end extension for everyday slamming