IWAC118S

Flyable line source Subwoofer

Frequency response (−6 dB no preset): 33~100 Hz
Maximum SPL (calculated): 128 dB RMS / 133 dB Peak
Speaker Weight: 55 kg
Nominal directivity (−6 dB): Omni in usable range. Cardioid preset

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Overview

Compact authority with design intelligence—the CELTO IWAC118S packs serious low-end punch in a lightweight, high-output bass reflex design optimized for the IWAC series. This versatile subwoofer complements IWAC210 arrays in touring, installations, theatres, clubs, and multifunctional venues needing tight, musical bass extension. Real power handling with premium 18" driver delivers clean reproduction down to the low 30s Hz with impressive efficiency. Integrated rigging allows flown or ground-stacked configurations, including mixed arrays with IWAC210 for seamless system integration. Heavily braced Baltic birch plywood cabinet with PolyUrea finish ensures vibration-free performance and touring durability. Flexible connector layout and preset options support cardioid, end-fired, or standard deployments for controlled directivity. Easy stacking and transport features make it ideal for rental companies and mobile productions. The IWAC118S proves that smart hybrid design can deliver deep, defined bass that enhances any system—without ever overwhelming it.

Specifications

Speaker type: Flyable line source Subwoofer
Power Handling (AES standard): 1200 W RMS / 4800 W Peak
Nominal impedance: 4 Ω
Average sensitivity: 97 dB / 1 W / 1 m
Maximum SPL (calculated): 128 dB RMS / 133 dB Peak
Frequency response (−6 dB no preset): 33~100 Hz
Nominal directivity (−6 dB): Omni in usable range. Cardioid preset
Cabinet: Marine grade Baltic Birch Plywood Heavily braced with Tongue & Groove
Cabinet finish: Touring Grade Rubberized PolyUrea Black coating Acoustic PU foam behind Front grill
Flying hardware: Fully integrated, cable-free, rigging
Mounting hardware: 1pc M20 thread socket
LF: 18" CELTO 18EXN1200-4
Woofer Chassis: Die Cast Aluminium
Woofer Voice coil: 4" / 100 mm long throw
Crossover: No, active mode only
Connectivity: Genuine NEUTRIK 2pcs Speakon NL4MP on rear, 1pc on front 1+/-1 input
Speaker size (HxWxD): 518 x 700 x 745 mm
Speaker Weight: 55 kg
Shipping information: 66 kg 618 x 800 x 845 mm
Accessories: IWAC118S-TK (Touring Kit) IWAC118S-FR (large flying frame) IWAC118S-WB (metal wheelboard) IWAC118S-SBAG (padded cover bag) CPC-70 (pole bar with crank) SUBWHKIT100C (castor wheel kit)