Deep, defined low end under your EKX tops. The Electro-Voice EKX-15S is a passive 15-inch subwoofer that adds a low-frequency foundation under EKX tops, matched to the system-match crossovers on the powered EKX models.
Why customers choose it
- Deep bass: EVS-15C 15-inch woofer, frequency range 40 Hz – 300 Hz (-10 dB).
- Loud: up to 133 dB max SPL, 95 dB sensitivity.
- Matches the family: crosses over cleanly with powered EKX full-range models.
- Built for the road: 15 mm braced plywood with durable EVCoat finish, all-metal handles.
- Easy to stack: M20 pole socket for a top speaker.
Who it is for
DJs, bands, worship halls, clubs and installs that need more bass under EKX speakers.
Specifications
| Type | Passive subwoofer |
|---|---|
| Woofer | EVS-15C 381 mm (15 in) |
| Frequency response | 60 Hz – 100 Hz |
| Frequency range (-10 dB) | 40 Hz – 300 Hz |
| Sensitivity (1 W / 1 m) | 95 dB |
| Max SPL | 133 dB |
| Power handling | 400 W continuous, 1600 W peak |
| Impedance | 8 ohm nominal |
| Recommended HPF | 35 Hz |
| Connectors | Dual NL4 |
| Enclosure | 15 mm plywood with EVCoat |
| Dimensions (H x W x D) | 455 x 530 x 551 mm |
| Net weight | 24.9 kg |
Good to know
- Passive speaker: needs a power amplifier (or use a matching powered model).
- Set a high-pass filter at the recommended 35 Hz on your amplifier or DSP.



























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