Gemini Sound ZRX-S18BT powered 18" Bluetooth subwoofer — 1700W peak, 600W RMS, 130 dB max SPL

When you need bass that cuts through a crowd without losing its composure, the Gemini Sound ZRX-S18BT is the anchor for your rig. This powered 18" front-firing sub delivers 1700W peak (600W RMS) of Class D power, adds Bluetooth with True Wireless Stereo pairing, and is built for mobile DJs, bands, and venues that need serious low end on demand. It's 8 lbs lighter and 5 dB louder than the ZRX-S18P it replaces — so you get more output with less to carry.

Key features

• Real low end for real rooms — The 18" high-excursion driver moves enough air to fill a venue with deep, controlled bass that people feel as much as they hear.
• Dial it in for any room — Sub volume, high-cut knob, and a phase flip switch let you tune the bottom end to the space you're in, whether it's a tight club or an open field.
• Pair two for true wireless stereo — Onboard Bluetooth with TWS linking lets you stream music between sets or wirelessly pair two subs for a full stereo setup. No cables between cabinets.
• Full I/O for a complete rig — Balanced XLR inputs plus full-range and high-pass XLR outputs (crossover at 100 Hz) make it easy to drop this sub into any PA system and send clean signal up to your tops.
• Built to travel and survive the gig — Metal side handles, a pole mount for your tops, and a digital signal limiter with LED indication to keep things safe when you push it hard.