SRX818S vs SRX835 — Compare
JBL SRX818S 18" Passive Subwoofer System vs JBL SRX835 15" Three-Way Bass Reflex Passive System
The SRX818S is a dedicated 18-inch subwoofer built solely for deep sub-bass (28Hz–150Hz), while the SRX835 is a full-range three-way main speaker system (32Hz and up across all frequencies). Choose the SRX818S if you need a powerful low-end foundation to pair with mains or fill venues requiring extreme bass extension; pick the SRX835 if you need a single all-in-one loudspeaker for live sound, DJ work, or monitoring.
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JBL SRX835 15" Three-Way Bass Reflex Passive System
Specs side by side
| JBL SRX818S 18" Passive Subwoofer System | JBL SRX835 15" Three-Way Bass Reflex Passive System | |
|---|---|---|
| Price | $1,689.00 | $1,829.00 |
| Brand | JBL | JBL |
| Condition | New | New |
Why choose JBL SRX818S 18" Passive Subwoofer System
- ✓ Dedicated 18-inch woofer with 135 dB SPL and 28Hz floor for earth-shaking sub-bass
- ✓ Tight, defined low-end reproduction keeps rhythm section locked even at high volume
- ✓ Compact footprint and caster-kit compatibility make touring logistics simpler
Why choose JBL SRX835 15" Three-Way Bass Reflex Passive System
- ✓ Three-way full-range system handles mids and highs without requiring additional main speakers
- ✓ 137 dB peak SPL with three-way crossovers (330 Hz, 2.4 kHz) and compression driver for articulate highs
- ✓ Flying points, pole socket, and factory amp tunings enable flexible deployment as main, fill, or stage monitor
Frequently asked questions
Can the SRX818S work alone, or do I need other speakers?
The SRX818S is a subwoofer that handles only 45–150 Hz (−3dB). You must pair it with full-range mains to cover midrange and treble. It is not designed as a standalone system.
Can the SRX835 replace a subwoofer in my setup?
The SRX835 extends to 32 Hz and includes a woofer, but it is a three-way main speaker, not a dedicated sub. It will provide more even coverage and articulation across the full spectrum than a sub alone, making it suitable as a main or fill speaker rather than a sub replacement.
Which is better for DJ applications?
The SRX835 is specifically listed for DJ applications and offers three-way clarity, high SPL (137 dB), and flexible coverage patterns ideal for DJ booth placement. The SRX818S is a sub designed to layer under DJ mains, not replace them.
How do these compare in output and headroom?
Both reach similar peak SPL (SRX818S 135 dB, SRX835 137 dB), but the SRX835 handles 800W continuous and 3200W peak across a full-range system, while the SRX818S is a subwoofer-only unit requiring external amplification and mains integration.