The IS6-118B is a compact, direct-radiating 700W 18-inch subwoofer designed for powerful and accurate low-frequency reproduction. Large, balanced ports optimize enclosure tuning and equalize air pressure across the driver cone, reducing distortion and extending system longevity. Its FEA-optimized ferrite motor with long linear excursion capabilities delivers deep, controlled bass response despite the enclosure's compact footprint.
As part of the I Series Subwoofer 600 family, the IS6-118B combines excellent acoustic performance, modular flexibility, and refined aesthetics for modern performance spaces. Its low-profile cabinet is ideal for ground-stacked systems, distributed sub-bass reinforcement, or concealed installations. Matching face widths and suspension points ensures seamless integration with I Series full-range loudspeakers in flown arrays.
Optional fly rails, frames, and modular array brackets provide nearly limitless design possibilities while streamlining installation. Available in indoor black or white, weather-resistant gray, or custom-configured finishes with optional cable lengths, the IS6-118B adapts to a wide variety of environments.
Recommended for use with Community Amplified Loudspeaker Controllers (ALC), the IS6-118B achieves optimized, reliable system performance. It is also TAA-compliant, making it eligible for GSA Schedule bids in federal government projects.
| Operating Mode | Single Amp |
|---|---|
| Operating Environment | Indoor |
| Operating Range | 32 Hz to 145 Hz |
| Transducer | 1 x 18" (457 mm) double-treated cone with 4" (102 mm) inner/outer wound voice coil, ferrite construction |
| Nominal Sensitivity | @ 2.83V: Half Space - 104 dB, Whole Space - 98 dB |
| Nominal Maximum SPL | Continuous: Half Space - 132 dB, Whole Space - 126 dB |
| Equalized Sensitivity | @ 2.83W: Half Space - 99 dB, Whole Space - 93 dB |
| Equalized Maximum SPL | Continuous: Half Space - 127 dB, Whole Space - 121 dB |
| Recommended Amplifiers | Single Amp: 700W - 1400W @ 8 ohms, (75V - 106V) |
| Input Connection | (2) Screw terminal blocks (4-position) |
| Mounting Points | (24) M10 threaded rigging points Indoor |
| Dimensions (H x W x D) | 19.80" (503 mm) x 22.10" (561 mm) x 28.89" (734 mm) |
| Net Weight | 97 lbs (44 kg) |
| Shipping Weight | 111 lbs (50.3 kg) |
Usually arrives in 5-9 business days.
