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The Electro-Voice ETX-18SP is a powered 18-inch subwoofer from EV's ETX series. It delivers 1800 W of low-frequency output and reaches 135 dB peak SPL.
A dedicated subwoofer transforms a two-speaker rig; the tops stop straining for bass and the whole system gains headroom. It is designed to pair with matching ETX full-range tops over a pole mount for a clean, cable-tidy stack. The ETX platform serves high-output live sound and production work.
Multiple units can be arrayed in cardioid configurations to steer bass into the audience and keep up to 35 dB of it off the stage.
At a Glance
| Brand | Electro-Voice |
| Model | ETX-18SP |
| Series | ETX |
| Type | Powered subwoofer |
| Woofer size | 18" |
| Power | 1800 W |
| Max SPL | 135 dB peak |
| Shipping weight | 130 lb |
Frequently Asked Questions
Do I need a separate power amplifier?
No. The amplifier is built in. Connect a mixer, microphone, or line-level source and it is ready to run.
Is it genuine?
Yes. It is authentic Electro-Voice from an authorized dealer.
Does it include a warranty?
Yes. Electro-Voice provides a limited warranty against defects in materials and workmanship for the original purchaser, and this model qualifies for a free extension to five years when registered with Electro-Voice after purchase.