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Subwoofers
SR-118S
18" Passive Subwoofer
1200 W ProgramRated Power
100 dB SPLSensitivity
134 dBMax SPL
A high-output 18" passive subwoofer built for demanding live sound applications. The SR-118S delivers authoritative bass extension down to 35 Hz using a long-excursion woofer with SR's custom 4" voice coil winding — engineered to handle India's outdoor conditions.
Key Features
- ✓18" long-excursion woofer, 4" voice coil, dual-spider support
- ✓Vented (ported) enclosure tuned to 38 Hz — flat sub-bass output
- ✓Dual Speakon NL4 jacks with full-range throughput loop
- ✓Integrated castors and pole cup on top for column stack configuration
- ✓Handles rated to 50 kg per pair — touring-grade construction
✓BIS Certified✓Est. 1992✓Made in India✓Direct from factory
Sold direct from Andhra Pradesh. Bulk & OEM pricing available.
Full specs ↓Technical Specifications
Full Spec Sheet
In Stock
| System Type | Single 18" passive subwoofer |
|---|---|
| Woofer | 18" (460 mm), 4" voice coil |
| Frequency Response | 35 Hz – 200 Hz (±3 dB) |
| Sensitivity (1W/1m) | 100 dB SPL |
| Max SPL (Peak) | 134 dB |
| Power Handling — Program | 1200 W |
| Power Handling — Peak | 2400 W |
| Nominal Impedance | 4 Ω |
| Tuning Frequency | 38 Hz |
| Connectors | Dual Speakon NL4 |
| Cabinet | 21 mm birch-ply, polyurea coat |
| Dimensions (H×W×D) | 660 × 560 × 680 mm |
| Weight | 45 kg |
All specifications from our QC lab. Contact us for test reports and certification numbers.