Used professional audio, inspected and tested before every shipment

Used LS NC-218 Subwoofer: Buying Guide and Condition Notes

Published · Oct 25, 2026

Used LS NC-218 Subwoofer: Buying Guide and Condition Notes

The LS NC-218 is a dual 18" subwoofer aimed at rental companies and venue installs that need high output in the 40Hz–250Hz band without a powered module to service. With 1200W power handling, 4Ω impedance, 136 dB max SPL and 2 x NL4 IN/THRU connectors, it is a straightforward passive box that pairs with external DSP and amplifier racks. For buyers sourcing used pro audio equipment for export, the NC-218 is attractive precisely because there is no onboard amplifier or DSP to fail or to complicate voltage and spares planning.

Condition grade B is the key commercial detail on this listing. In practice, B-grade means the cabinet is fully functional but shows honest signs of road use: scuffs, edge wear, grille marks or cosmetic blemishes that do not affect acoustics. Before committing to a container or pallet order, ask for photos of all four sides, the grille, the rear connector plate and the driver cones. On a used dual 18" subwoofer, cone creasing, surround cracking, voice coil rub and loose NL4 panels are the faults that matter; cosmetic wear is negotiable, driver damage is not.

Because the NC-218 is passive, your inspection checklist is mechanical and electrical rather than firmware-based. Confirm both 18" drivers are original and matching, check that the NL4 IN/THRU wiring is consistent across the batch, and measure DC resistance per box to catch a failing coil before shipment. If you are comparing options across the range, this used subwoofers buying guide covers impedance, cabinet condition and packing standards for export. Units from 2020 are still recent enough that spares and recone options are usually realistic.

For rental fleets, the 720 × 520 × 680 mm footprint and 68 kg weight make the NC-218 a two-person lift and a predictable truck-pack item. Venue buyers should confirm rigging and stacking intentions early, since ground-stack and cardioid array configurations change how many boxes you order. If your project mixes subs with tops and processing, the venue audio solutions overview explains how passive subwoofers integrate with amplifier and DSP racks in fixed installs.

Export logistics deserve the same attention as the drivers. Ask the seller to confirm quantity available, since this listing states on request, and to quote packing for pallet or crate shipment. Request the serial numbers actually on the cabinets and match them to photos before payment. Distributors searching for second hand subwoofers for sale should treat B-grade stock as a volume play: price the cosmetic risk in, budget for grille and connector refresh, and test every box on arrival.

Finally, plan your amplifier and DSP matching before the goods land. The NC-218 needs 1200W of clean power handling at 4Ω and a crossover in the 40Hz–250Hz window, so confirm your amp racks can deliver it per box and per channel count. Rental companies often buy these in fours and eights; system integrators may take pairs for clubs and houses of worship. Whichever profile fits, request a test report, confirm NL4 pinout, and lock shipping terms in writing before the container is booked.

Questions about this unit or about shipping to your country? Contact us for condition photos, test results and a quote.

Related products

LS NC-218 Dual 18-inch Professional Subwoofer

The LS NC-218 is a professional low-frequency loudspeaker with dual 18-inch drivers, suitable for large-scale performances, nightclubs, and outdoor events. The enclosure is rugged and equipped with NL4 input/thru connectors, rated power 1200W, impedance 4Ω, frequency response range 40Hz–250Hz.

Grade B — 70-90% new In stock

Related reading

All articles