You've been there — mid-song, can't hear the vocals, squinting at the drummer for cues while the audience gets a front-row seat to your confusion. These SA-15M wedge monitors solve that problem without breaking your gear budget. This is a pair of passive 15" floor monitors that do exactly what they're supposed to: put your mix right where you need it on stage.

Each monitor pushes 250 watts RMS through a 15" woofer and piezo tweeter combo, covering 40Hz to 20kHz with enough clarity to hear vocal nuances over a loud backline. The 2-way crossover keeps vocals from getting muddy in the low-end, and at 97dB sensitivity, they're efficient enough that your existing power amp won't struggle to drive them. The dual 1/4" inputs make daisy-chaining simple when you need to feed multiple monitors from one amp channel.

The build quality matches what you'd expect for regular gigging use — 5/8" plywood front panel, black carpet finish, metal corners, and recessed handles. At 38 pounds each, they're heavy enough to stay put when you're moving around on stage but not so heavy that load-in becomes a workout. The wedge angle puts sound exactly where you need it without blasting the front row or creating feedback issues with your mics.

These work best for stages serving 50-150 people, whether you're running vocal monitors for your band, setting up drum monitoring, or handling small venue PA duties. They're passive monitors, so you'll need an amplifier — but that gives you the flexibility to match them with whatever power you're already running.

Bottom line: If you need reliable stage monitoring that won't eat your entire gear budget, this pair delivers professional performance for working musicians who need to hear themselves clearly on stage.

Technical Specifications

  • Power Handling (RMS): 250 watts per monitor
  • Power Handling (Peak): 500 watts per monitor
  • Driver Configuration: 15" woofer with 4x10 piezo tweeter
  • Frequency Response: 40Hz - 20kHz
  • Impedance: 8 ohms
  • Sensitivity: 97dB
  • Crossover: 2-way passive crossover
  • Voice Coil: 2.5" Kapton
  • Magnet: 50 ounce
  • Cabinet Construction: 5/8" plywood front panel
  • Finish: Black carpet with metal corners
  • Inputs: Dual 1/4" inputs per monitor
  • Dimensions: 23" H x 18" W x 17" D
  • Weight: 38 lbs per monitor
  • Included: Pair of monitors (2 units)
  • Warranty: One year
  • Recommended For: Stage monitors, band monitoring, small venue PA

Frequently Asked Questions

What amplifier power do I need for these monitors?

Match each monitor with 200-350 watts RMS at 8 ohms. Most guitar amp heads, powered mixers with monitor outputs, or dedicated monitor amps work fine. Don't underpower them — weak amps clip more easily and can fry your speakers. Better to have clean headroom than a distorted, damaged driver.

Can I use these as my main PA speakers?

You can for very small rooms, but they're designed as stage monitors with that wedge angle and frequency response. For main PA duties, you'd be better served by speakers designed for audience coverage. Use these for what they're built for — keeping you dialed in on stage.

Do these need a subwoofer for monitoring?

No. The 15" drivers give you plenty of low-end for monitoring bass guitar and kick drum fundamentals. You're monitoring, not trying to rattle windows. Save the sub money for something else unless you're using these as part of a full PA system.

What cables do I need?

Standard 1/4" speaker cables — not instrument cables. Run speaker cable from your amp's monitor outputs to the dual 1/4" jacks on each monitor. The dual inputs let you daisy-chain to more monitors if needed. Never use XLR or TRS instrument cables for speaker connections.

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • SA-15M Passive 1x15" 250w Floor Monitor Wedge Speakers (Pair)
Finish
  • Black
Categories
Year
  • 2015

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Seismic Audio Speakers

Memphis, TN, United States
Joined Reverb:2014

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