Subwoofers
SR-118S
SKU SR-118S
18" Passive Subwoofer
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 Highlights
Sold direct from Andhra Pradesh. Bulk & OEM pricing available.
Full specs ↓Technical Specifications
Full Spec Sheet
All specifications from our QC lab. Contact us for test reports.
Applications & Suitable Industries
The SR-118S — 18" Passive Subwoofer — is typically specified for: music and dj reinforcement, concert and touring low-frequency support, wedding reception and sangeet audio, cinema and large-room bass extension.
Buying Guidance
Pair subwoofer quantity and power to the room's volume and expected SPL target, not just the main speaker's wattage — an undersized subwoofer under a capable main system is the most common low-end complaint we hear from event operators.
Maintenance
Check port and enclosure seals periodically, since a compromised seal changes the tuned frequency response and reduces output — this is more consequential on ported subwoofer designs than sealed ones.
