Unbranded 18" Passive Subwoofer Cabinet - Low-Frequency Bass Enclosure

Up for sale is a used Unbranded 18" Passive Subwoofer Cabinet.

If you are looking to inject serious, deep low-end thump into your live setup without paying a brand-name premium, this utility bass cabinet is a fantastic choice. Built with an optimized, front-ported bass reflex design, this enclosure houses a massive 18" heavy-duty woofer that is designed explicitly to handle demanding low frequencies.

Because this is a passive enclosure, it requires an external power amplifier or a bridged amplifier channel equipped with a low-pass crossover to drive it. It makes a highly cost-effective extension speaker for mobile DJs, touring bands, club venue installations, or rehearsal spaces looking for raw, physical bass reinforcement.

Condition Notes: This subwoofer is in Good Used Condition and is 100% fully functional.

• Performance: Fully audio-tested and verified. The 18" driver is highly responsive and moves plenty of air, delivering clean, deep bass extension without any voice-coil rubbing, internal rattling, or box leaks.
• Cosmetics: Shows standard cosmetic signs of typical live pro-audio use, transport, and storage over the years. The black protective carpet covering has some expected light fuzzing/scuffs, and the metal corner protectors show minor surface marks, but the wood cabinet structure itself is entirely solid and airtight (please see all detailed photos).
• Jackplate: The side-mounted recessed metal input jackplate is secure and features dual 1/4" phone jacks for quick signal routing and daisy-chaining.

Key Features & Specs:

• Brand: Unbranded / Custom Utility
• Type: Passive Subwoofer Cabinet (Requires external power amplifier)
• Driver Size: 18" Heavy-Duty Woofer
• Nominal Impedance: 8 Ohms (Standard compatibility with pro-audio power amps)
• Enclosure Design: Front-ported bass reflex wood cabinet covered in durable black carpet with a full-coverage heavy-duty steel mesh grille.
• Hardware: Rugged protective steel corner guards, large integrated metal side carrying handles, and a built-in top pole-mount socket (perfect for ground-stacking a standard satellite PA speaker directly above the sub using a mounting pole).

Shipping & Store Policies:

• Shipping: Due to the substantial size and heavy weight of an 18" subwoofer, shipping costs can vary significantly by destination. The enclosure will be wrapped securely in thick layers of heavy-duty bubble wrap and boxed or palleted with ample padding to protect the driver and cabinet corners during transit. Fully insured shipping with tracking via [Insert Carrier, e.g., UPS/FedEx/Freight].
• Local Pickup: Highly Encouraged! Avoid heavy freight and oversized shipping fees entirely by picking up this subwoofer directly at our retail storefront in Dobbs Ferry, NY.
• Returns: Sold as-described and fully audio-tested. Please confirm your power amplifier can support an 8-Ohm passive subwoofer load prior to purchasing. Feel free to reach out with any system integration or hardware questions!

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If you ever need something extra included with your purchase, please let us know before shipping — we’re always happy to help!

Located in Dobbs Ferry, NY, The Muzic Store INC has been family-owned and operated since 1982, proudly serving Westchester County and beyond for over 43 years. We’re more than just a music shop — we’re a community of musicians, gear lovers, and industry experts who live and breathe music every day. Buy your gear the way it was meant to be bought — from a store that’s been there through it all and has the vibe and experience to prove it. Whether you’re just starting out or have been playing for decades, our mission is simple: 👉We Help you find the right gear that brings you the most joy in what you do. We are authorized dealers for nearly every major brand, and we stock unique and hard-to-find items that other stores don’t. Don’t miss your chance to grab something truly legendary! 🎷🎻🎙🎺🥁🎸🎹🪕🎵 We could have never done this without YOU — our amazing customers. Thank you for supporting us for over four decades! 💕 If you have any questions about our listings or need help finding the perfect piece of gear, feel free to contact us anytime. 😁✌