Homemade DIY Passive Subwoofer with RE Audio 15" and TC Sounds 18" Drivers in MFD Box
Custom-Built Subwoofer – RE Audio XXX 15 V2 with TC Sounds LMS-Ultra 5400 Passive Radiator
Check out this absolute beast of a subwoofer! This custom-built, one-of-a-kind unit is a DIY masterpiece that delivers serious low-end power with premium components and stunning craftsmanship. Recently wrapped in a rich cherry wood veneer, the cabinet is flawless—no marks, no scuffs, and absolutely ready to impress both visually and sonically.
Driver Configuration
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Front (Active): RE Audio XXX 15 V2 – A 15" subwoofer featuring a dual composite 2-piece cone, thick rubber surround, and rated for 2,000 watts RMS. It’s built for high-excursion, low-distortion bass that you can feel in your chest.
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Bottom (Passive Radiator): TC Sounds LMS-Ultra 5400 18" – This is not a powered subwoofer, but a reference-grade passive radiator. It reacts in perfect harmony with the active driver to extend bass depth, increase output, and eliminate port noise for smooth, powerful response.
Together, this combination offers clean, ground-shaking bass ideal for home theater, high-end audio setups, or anyone who just wants to feel their music.
Cabinet & Build
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Material: ¾" MDF
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Finish: Professionally wrapped in cherry wood veneer—clean, seamless, and showroom-worthy
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Dimensions: 20.75" (L) x 22" (W) x 39.4" (H)
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Design: Internal bracing and solid construction to handle serious low-end energy without vibration or flex
Important Notes
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Passive Design: This subwoofer requires an external amplifier. It does not include a built-in amp.
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Heavyweight: This is a large, high-mass enclosure—bring help and a dolly if you're transporting it.
This is not just a subwoofer—it’s a statement piece. Whether you're rattling walls in your home theater or adding depth and dimension to your music, this monster will deliver. It's big, bold, and incredibly powerful—and it looks as good as it sounds.
AVAILABLE FOR LOCAL PICKUP ONLY
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
Every function has been confirmed 100% working.
Cosmetic Condition: Very Good.
Functional Condition: Works Like New.
WHAT'S IN THE BOX?
- Homemade DIY Passive Subwoofer with RE Audio XXX 15" and TC Sounds 18" Reference Subwoofer Drivers in MFD Box
- Banana Plugs
Other information about the RE Audio XXX 15 V2 Sub
- Dual Composite 2-piece Cone
- Rubber Surround
- Integrated Gasket
- Cast Aluminum Basket
- Tork-Tite Terminal
- 3" 8-layer Aluminum Flat Wire Voice Coil
- FEA Optimized Motor Structure
- VMS Vented Magnet System
- Dual Progressive Spiders
- Integrated Tinsel Lead
- Impedance : Dual 2 Ohm voice coil
- Power Handling: 2.000 Watts (RMS)
- Maximum Excursion: 54 mm
- Net Weight: 34,5 KG each
DIMENSIONS
- 20.75" x 22" x 39.4" (Length x Width x Height)
INPUTS
- 5-Way Binding Posts L/R x1 (back)
MANUFACTURER
- Homemade Unit
