MUSYSIC MU-12W4O Professional 12" 4-Ohm Replacement Subwoofer
The MUSYSIC MU-12W4O is a high‑performance 12-inch raw replacement subwoofer designed for PA speakers, DJ systems, bass guitar cabinets, and custom loudspeaker builds. With a powerful 1600W Peak / 800W Program / 400W RMS rating and an efficient 98 dB sensitivity, this woofer delivers strong, clean low‑frequency output without requiring a large amplifier.
Ideal for 2-way and 3-way PA systems, the MU‑12W4O performs exceptionally well in both sealed and vented enclosures. Customers have successfully used this woofer as a replacement in popular models from Electro‑Voice, Behringer, Yamaha, Klipsch, Peavey Black Widow, JBL TR225, Legion, Standel, and many more. This listing is for one (1) woofer, brand new in box.
Key Features
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12-inch professional subwoofer for PA and DJ systems.
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1600W Peak / 800W Program / 400W RMS power handling.
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4-ohm impedance for high amplifier output and strong low-end response.
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98 dB sensitivity for high output with minimal power.
- Works in sealed or vented enclosures.
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3-inch voice coil for improved heat handling and durability.
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Stamped steel basket with non‑pressed paper cone.
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Cloth surround and cloth damper for long-term reliability.
Specifications
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Nominal Diameter: 12"
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Peak Power: 1600W
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Program Power: 800W
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RMS Power: 400W
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Impedance: 4 Ohms
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Sensitivity: 98 dB (1W/1M)
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Frequency Range: 32 Hz – 2 kHz
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Voice Coil: 3"
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Overall Frame Diameter: 12.10"
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Diagonal Hole-to-Hole: 11.70"
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Cutout Diameter: 11.38"
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Mounting Depth: 5.18"
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Basket: Stamped Steel
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Magnet Weight: 60 oz
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Cone Material: Non-pressed paper
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Surround: Cloth
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Dust Cap: Paper
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Damper: Cloth
Thiele-Small Parameters
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Fs: 32 Hz
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Re: 3.6 Ohm
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Qms: 2.9
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Qes: 0.475
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Qts: 0.41
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Vas: 232 L
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Le: 1.37 mH
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EBP: 67.37
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X-max: 3.75 mm
Package Includes
- 1 × MUSYSIC MU-12W4O 12" 4-Ohm Subwoofer
Whether you're repairing a blown woofer or building a new PA cabinet, the MUSYSIC MU‑12W4O delivers the power, clarity, and reliability needed for professional audio performance.
