Used Seismic Audio MAIN SHOCK 15 Speaker Cabinet

Estimated Year: 2010s

Made in: China

Used Seismic Audio MainShock-15 Powered PA Speaker

This Seismic Audio MainShock-15 is a powered 15" PA speaker designed for live sound, DJs, rehearsal spaces, and small venue use. Featuring a built-in amplifier, this unit delivers solid output with convenient all-in-one functionality—no external amp required. It’s a great budget-friendly solution for vocals, playback, or general PA duties.

The rear panel includes a combo XLR/¼" input, XLR output for daisy chaining, RCA inputs for media playback, and onboard EQ controls for quick tone shaping. Whether you're running a mic, mixer, or backing tracks, this speaker is easy to set up and get going fast.

Features

- 15" powered PA speaker

- Approx. 600W RMS output

- Built-in amplifier (no external amp needed)

- Combo XLR / ¼" input

- XLR output for linking multiple speakers

- RCA inputs for media devices

- Onboard EQ (bass/treble controls)

- Volume control with signal indicator

- Pole mount compatible

- Durable molded cabinet with carry handles

Condition

Good condition with typical use.

- Visible cosmetic wear and scuffs on cabinet

- Grill shows signs of use but intact

- All inputs and controls functioning properly

- Fully tested and working

Store Policies

- All items are tested before listing and again before shipping.

- Orders typically ship next business day.

- Shipping is available to the continental U.S. only.

- We do not accept trades on shipped items.

- Returns are accepted within 48 hours of delivery. The buyer covers return shipping, and a 20% restocking fee applies. If you have any questions before buying, feel free to message us—we’re happy to help.