The GH15L delivers professional live sound for bands, DJs, and venues that need reliable full-range coverage without breaking the budget. This passive 15-inch PA speaker handles the demanding dynamics of live performance while maintaining clarity across vocals and instruments.

Built around a high-output 15-inch woofer paired with a wide-dispersion horn tweeter, the GH15L covers the full frequency spectrum from 50 Hz to 20 kHz. The tuned bass reflex enclosure enhances low-end response, giving you the punch needed for modern music styles without sacrificing midrange definition.

At 400 watts RMS and 800 watts peak power handling, this speaker provides serious output capability with 97 dB sensitivity. The 8-ohm impedance makes it easy to run multiple cabinets from your amplifier. The computer-engineered MDF cabinet maximizes acoustic performance while road-ready ABS handles and corner guards protect your investment during transport.

Whether you're running sound for a 200-person wedding reception, powering a club DJ set, or providing main speakers for a rock band, the GH15L handles mid-sized venues with authority. Use it as a main PA speaker, floor monitor, or side fill depending on your setup needs.

Connections include both 1/4-inch TS inputs and raw wire terminals, with dual parallel inputs for easy daisy-chaining. Standard speaker cables connect to your amplifier or powered mixer output.

Backed by Seismic Audio's one-year warranty and fast shipping. Professional-grade components at a price point that makes sense for working musicians and sound companies.

Technical Specifications

Frequently Asked Questions

What size venue can the GH15L handle?

The GH15L works well for venues up to 200 people indoors, such as wedding receptions, small clubs, church services, and corporate events. For outdoor events, expect coverage for about 100-150 people due to the lack of room boundaries to reinforce the sound. You'll want to pair it with a subwoofer for larger crowds or bass-heavy music styles.

Do I need an amplifier with this speaker?

Yes, the GH15L is a passive speaker that requires an external amplifier or powered mixer. You'll need an amplifier capable of delivering at least 400 watts RMS at 8 ohms to get full output. Connect using standard speaker cables with 1/4-inch connectors or bare wire to the terminals.

Can I use this as a floor monitor?

Absolutely. The GH15L works well as a floor monitor for bands and solo performers. The wide-dispersion tweeter provides good coverage across the stage, and the 8-ohm impedance lets you run multiple monitors from the same amplifier channel. The angled cabinet design helps direct sound toward performers when placed on the floor.

How does this compare to powered speakers in the same price range?

Passive speakers like the GH15L offer more flexibility since you choose your own amplifier and can upgrade power later. They're also more reliable long-term since amplifiers can be repaired or replaced separately. However, you'll need to budget for an amplifier and speaker cables, while powered speakers include everything in one box.

What cables do I need to connect this speaker?

You'll need speaker cables with 1/4-inch TS plugs on both ends to connect from your amplifier output to the speaker input. For daisy-chaining multiple speakers, use additional speaker cables to connect from the parallel output of the first speaker to the input of the next. Never use instrument cables, which aren't designed for speaker-level signals.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov