PW12D4 - Echo Pro 12 Inch Subwoofer - 1,400 Watts Power Dual 4 OHM Voice Coil, 2.5" Black-coated 4 Layer High Temperature Voice Coil, Competition Grade Impp Cone

The PW12D4 is a 12-inch dual 4-ohm subwoofer built for sustained high-output performance. With 700W RMS and 1400W peak handling, it's engineered for installations where power delivery and thermal endurance matter. The dual voice coil configuration gives you flexible wiring options to match a range of amplifier loads.

• 4-layer high-temperature copper voice coils maintain consistent performance during extended high-power use.
• High-flux ferrite motor drives accurate, authoritative bass reproduction across a 25–300 Hz frequency range.
• Polycarbonate spider suspension provides controlled excursion and responsive transient tracking.
• Advanced airflow cooling system manages heat buildup under sustained load, protecting voice coil integrity.
• IMPP cone material balances rigidity and low mass for efficient pistonic motion.
• Dual 4-ohm voice coils allow wiring to 2-ohm or 8-ohm final impedance depending on amplifier requirements.
• 108 oz. ferrite magnet delivers the motor strength needed to control a 12-inch cone at high excursion levels.

Specifications

• Nominal Impedance: Dual 4Ω
• RMS Power Handling: 700 Watts
• MAX Power Handling: 1400 Watts
• Frequency Response: 26–300 Hz
• Voice Coil Diameter: 2.5" (63.5mm)
• Voice Coil Material: ASV
• Cone Material: IMPP
• Frame: Steel
• Magnet: Ferrite
• Magnet Weight: 306 oz (108 oz)
• Xmax: 14mm

Thiele/Small Parameters

• Revc: 1.6 Ω
• Sensitivity: 85.3 dB
• Fs: 27.4 Hz
• Qts: 0.48
• Qes: 0.54
• Qms: 4.32
• Mms: 194 g
• Vas: 58.6 L
• η0 (Efficiency): 0.22%
• Cms: 0.17 mm/N
• BL: 10 T·m
• Sd: 471.4 cm²

Dimensions

• Overall Depth: 7.63" (194mm)
• Mounting Depth: 6.44" (163.5mm)
• Overall Diameter: 12.63" (320.5mm)
• Cutout Diameter: 11.14" (283mm)