The Magnitude2400 power amplifier delivers professional-grade power for live sound engineers, venue operators, and touring acts who need reliable amplification for their PA systems. This 2-channel amplifier provides the headroom and stability to drive demanding speaker loads in medium to large venues.

With 800 watts RMS per channel at 8 ohms, scaling up to 1600 watts per channel at 2 ohms, the Magnitude2400 handles everything from full-range PA speakers to dedicated subwoofer arrays. The amplifier remains stable at 2-ohm loads, giving you flexibility to wire multiple cabinets per channel without thermal shutdowns or performance degradation.

The wide frequency response of 5Hz to 50kHz ensures accurate reproduction across the entire audio spectrum, while the high damping factor of over 400 provides tight bass control and reduced distortion. Low THD+N of less than 0.05% maintains signal clarity even at high output levels. XLR inputs accept balanced signals from mixing consoles, while Speakon and binding post outputs connect directly to your speaker cabinets.

This amplifier works well for clubs and venues up to 500 people, powering main PA systems, floor monitors, or dedicated subwoofer stacks. The bridge mode capability delivers 2500 watts RMS at 8 ohms for high-power subwoofer applications. Churches, schools, and mobile DJs rely on the Magnitude2400 for consistent performance across different venue types.

Front panel controls include independent channel volume, power, clip, protection, and signal indicators. The 2U rack-mount design fits standard 19-inch rack cases. Standard XLR cables connect your mixer to the amplifier inputs, while Speakon or speaker cables link to your cabinets.

Technical Specifications

Frequently Asked Questions

What size venue can the Magnitude2400 power amplifier handle?

The Magnitude2400 works well for venues up to 500 people, depending on your speaker configuration and desired sound levels. With 800 watts RMS per channel at 8 ohms, it provides sufficient headroom for clubs, churches, school auditoriums, and outdoor events. For larger venues or higher SPL requirements, consider running the amplifier in bridge mode for 2500 watts into subwoofer loads, or use multiple amplifiers for your system.

What cables do I need to connect the Magnitude2400 to my mixer and speakers?

You'll need XLR cables to connect your mixing console outputs to the amplifier's balanced inputs. For speaker connections, use Speakon cables or standard speaker wire with banana plugs or bare wire connections to the binding posts. The amplifier accepts both connection types on each channel, so you can mix connection methods based on your speaker cabinets' input options.

Can I run the Magnitude2400 at 2-ohm loads safely?

Yes, the Magnitude2400 is stable at 2-ohm loads and delivers 1600 watts RMS per channel at this impedance. This capability lets you wire multiple 8-ohm or 4-ohm speakers in parallel per channel without risking amplifier damage. The built-in protection circuits monitor temperature and current draw to prevent thermal shutdown or component damage during demanding operating conditions.

Should I use bridge mode or stereo mode for my PA system?

Use stereo mode for most live sound applications where you need two separate channels for left/right mains or different speaker zones. Bridge mode combines both channels into a single 2500-watt output, making it ideal for powering subwoofers or a single high-power speaker cabinet. Bridge mode requires an 8-ohm or higher load and uses only one input channel to drive both amplifier sections.

How does the Magnitude2400 compare to smaller amplifiers in the Seismic Audio lineup?

The Magnitude2400 offers significantly more power than typical 400-600 watt amplifiers, making it suitable for larger venues and more demanding applications. The 2-ohm stability and high damping factor provide better control over speaker drivers, especially important for subwoofer applications. If you're powering smaller PA systems or monitor speakers in intimate venues, a lower-wattage amplifier might be more cost-effective while still providing adequate headroom.

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