Seismic Audio GH15M - Pair of 15 Inch Passive Wedge Monitors - Floor or Stage 350 Watts RMS - PA/DJ Stage, Studio, Live Sound Monitors

When you need to hear yourself clearly on stage without breaking the bank, these GH15M passive wedge monitors deliver what you actually need — focused sound that cuts through the mix without feeding back every time you step up to the mic. The 15-inch woofer paired with a 1-inch horn tweeter gives you the full range to monitor everything from vocals to bass lines, while the wedge angle puts the sound right where you need it.

These are passive monitors, which means you'll need an amplifier or powered mixer to drive them. Each monitor handles 400 watts RMS and runs at 8 ohms, so you can easily daisy-chain a pair off a single amp channel. The dual input options — both 1/4-inch jacks and spring-loaded terminals — give you flexibility whether you're running speaker cables or need to chain multiple monitors together.

The build quality is solid for the price point. Aviation-grade carpet covering and steel mesh grilles will handle the usual load-in abuse, while the reinforced corner guards protect the edges from van doors and stage risers. At 34 pounds each, they're manageable for solo setup but substantial enough to stay put when the drummer starts getting enthusiastic. The tuned bass reflex port extends the low-frequency response, so you're not missing the bottom end of your bass lines or kick drum.

These monitors work best for small to medium venues — think clubs, churches, or outdoor festivals up to about 200 people. They'll give you plenty of volume without requiring massive amplifier power, thanks to their 96 dB sensitivity. The frequency response runs from 45 Hz to 20 kHz, which covers everything you need to monitor without a subwoofer for most applications.

Bottom line: If you need reliable stage monitors that won't eat your entire gear budget and can handle the rigors of regular gigging, these GH15M wedges deliver professional monitoring at a price that makes sense for working musicians.

Technical Specifications

• Model: GH15M Pair
• Type: Passive Wedge Floor Monitors
• Power Rating: 400 Watts RMS / 800 Watts Peak (each)
• Impedance: 8 Ohms
• Woofer: 15" High Output Ribbed Cone with 2" Copper Voice Coil
• Tweeter: 1" Horn with 75W Wide Dispersion Driver
• Frequency Response: 45 Hz - 20 kHz
• Sensitivity: 96 dB
• Connectors: 1/4" TS Jack, Spring-Loaded Speaker Terminals
• Cabinet: MDF with Tuned Bass Reflex Port
• Covering: Aviation Grade Carpet
• Protection: Steel Mesh Grilles, ABS Corner Guards
• Dimensions (Each): 25" H x 18" W x 14" D
• Weight (Each): 34 lbs
• Contents: Pair of 15" Wedge Monitors
• Recommended For: Band monitoring, DJ booth, small venue sound

Frequently Asked Questions

What amplifier power do I need for these monitors?

You'll want an amplifier that delivers at least 200-300 watts per channel at 8 ohms for clean headroom with these 400-watt RMS monitors. A 500-600 watt per channel amp gives you plenty of power for loud stages without pushing the amp into clipping. Remember — underpowering speakers causes more damage than overpowering them, as long as you keep your amp out of the red.

Can I daisy-chain multiple monitors together?

Yes, the 8-ohm impedance makes daisy-chaining straightforward. You can connect two monitors per amplifier channel (giving you a 4-ohm load) or run four monitors total across two channels. Use either the parallel 1/4-inch inputs or the speaker wire terminals to chain them with standard speaker cables.

What size venues work best with these monitors?

These 15-inch monitors handle small to medium venues up to about 200 people — clubs, churches, school auditoriums, outdoor events. They provide enough volume for most band applications without needing a subwoofer, though adding one will give you more low-end punch for bass-heavy music or DJ applications.

Do I need speaker cables or instrument cables?

You need speaker cables, not instrument cables. Use either 1/4-inch speaker cables or raw speaker wire with the spring-loaded terminals. Instrument cables won't handle the power and may damage your equipment. For daisy-chaining, grab additional speaker cables to run between monitors.