Description:

The DOWN4SOUND DBz-12 D4 is engineered for car audio enthusiasts who want big bass, rugged durability, and outstanding value. Delivering a true 1300W RMS, this 12-inch subwoofer provides aggressive, punchy low-frequency output suited for daily-driven systems and high-demand builds. Featuring a dual 4-ohm voice coil configuration and a real carbon fiber dustcap, the DBz-12 D4 offers flexible wiring options, premium styling, and long-lasting performance.

Key Features

1300W RMS power handling
Dual 4-ohm voice coil design
2.75-inch high-temperature voice coil
28 mm one-way Xmax
Real carbon fiber dustcap
Advanced motor venting for improved cooling
Heavy-duty motor structure

Technical Specifications (T/S Parameters)

Revc (DC Resistance): 6.050 ohm
Resonance Frequency (Fs): 39.707 Hz
Qms: 2.433
Qes: 0.559
Qts: 0.454
Mms (Moving Mass): 349.676 g
Cms (Compliance): 45.946 m/N
Rms: 0.779
Vas: 18.391 L
Sd: 59.093 cm
BL Product: 30.757 Tm
Sensitivity (SPL): 85.0 dB
Xmax: 28 mm
Displacement: 0.15 cu ft

Engineering and Construction

Extended pole piece for improved linear travel
Rear gap and pole venting for coil cooling
Long-fiber spider system for stable suspension control
Precision-wound 2.75-inch voice coil
Premium carbon fiber dustcap for enhanced rigidity

Recommended Enclosure

Sealed: 1.0 cubic foot
Ported: 1.75 cubic feet
Recommended Tuning: 32 Hz
Recommended Port Area: 21 to 26 square inches total

Physical Dimensions

Cutout Diameter: 11.26 in (286 mm)
Mounting Depth: 7.68 in (195 mm)
Outside Diameter: 12.44 in (316 mm)
Motor Diameter: 11.14 in (283 mm)
Net Weight: 32.8 lb
Gross Weight: 36.4 lb

Why You Should Buy

Strong 1300W RMS performance
Deep, punchy low-frequency output
Flexible dual 4-ohm wiring options
Durable construction with premium materials
Carbon fiber dustcap enhances appearance and reliability

Ideal Applications

Daily-driven systems requiring strong, reliable low-end performance
Ported or sealed enclosures in sedans, SUVs, trucks, and hatchbacks
Systems tuned for deeper, fuller bass
SQL-style daily setups balancing punch and depth
Users seeking high-output performance at an affordable price