Deep 18-inch bass you feel in your chest – ready for DJ and band rigs. The Gemini Sound ZRX-S18P is a powered 18-inch front-firing subwoofer with a Class D amplifier, built for mobile DJs, working bands and sound hire. Add it under your top speakers for low end that fills a wedding ground or stage.
Why customers choose it
Who it is for
Mobile DJs, wedding and event sound providers, bands, churches and halls that need extra bass under 10, 12 or 15-inch powered speakers.
What’s in the box
- ZRX-S18P subwoofer
- IEC power cable
- User manual
Specifications
| Type | Active subwoofer, front-firing |
|---|---|
| Woofer Size | 18″ with 3″ voice coil |
| Amplifier | Class D |
| Output Power | 3400 W peak / 850 W RMS |
| Frequency Response | 40 Hz – 2 kHz |
| Max SPL | 125 dB peak @ 1 m |
| Impedance | 8 ohms |
| Inputs | Stereo XLR balanced |
| Outputs | Full-range and high-pass stereo XLR balanced |
| Controls | Master volume, high-pass switch, phase switch |
| Cabinet | MDF |
| Power Supply | 115–220 V ±15%, 50/60 Hz |
| Dimensions | 600 x 520 x 640 mm |
| Weight | 40 kg |
| Colour | Black |
Good to know
- At 40 kg it is a two-person lift or use a trolley.
- A speaker pole for the top box is not included.
- Gemini has discontinued this model; the ZRX-S18BT is its current version.
FAQ
Can I put my speaker on top of it?
Yes, it has a built-in pole mount for a top speaker (pole sold separately).
How do I connect it?
Feed it from the mixer by XLR, then send the high-pass XLR outputs to your top speakers.
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