Pure Resonance Audio DA2500 2-Channel 500W 70V Power Amplifier

Pure Resonance Audio DA2500 is a 2-channel 500W power amplifier built for flexible 70V and low-impedance commercial audio systems in one rack-efficient chassis.

The Pure Resonance Audio DA2500 is designed for larger commercial audio installs that need serious output power without giving up system flexibility. Sold individually, this 1U rack-mount amplifier delivers 500W per channel and allows each channel to be switched independently for either 70V distributed audio or 4 to 16 ohm speaker loads. It is a strong fit for schools, restaurants, houses of worship, retail spaces, warehouses, and public facilities that need paging, background music, or mixed speaker system designs from one amplifier.

Why installers choose this power amplifier

• Independent channel switching allows each channel to run either 70V or 4 to 16 ohm speakers
• 2 x 500W output gives strong headroom for larger commercial audio zones
• 1U rack-mount design helps reduce equipment count and keep racks cleaner
• Balanced inputs support cleaner signal flow in professional installations
• Front-panel indicators make setup and troubleshooting faster
• Built-in protection and fan-forced cooling support reliable long-hour operation

Best use cases

• Large paging and background music systems in commercial spaces
• Mixed installations using 70V speakers in one zone and low-impedance speakers in another
• Schools, warehouses, restaurants, and public facilities with multiple audio areas
• Houses of worship and retail environments needing higher amplifier output
• Rack-based installs that want fewer amplifier chassis with more flexibility

Recommended with this product

• Browse 70V speakers
• Shop commercial amplifiers
• Add speaker wire for commercial installs

Quick guidance

This is a strong choice if you need a higher-power commercial amplifier that can run both 70V distributed audio and low-impedance speaker zones from one unit. It works especially well in larger installations where output headroom, rack efficiency, and long-term reliability all matter. If you want help matching this amplifier with the right speakers or system layout, contact us.

1. What makes the Pure Resonance Audio DA2500 different from a basic 70V amplifier?
Its biggest advantage is that each channel can be switched independently for either 70V or 4 to 16 ohm operation, which gives you more flexibility for mixed speaker system designs.

2. Is the DA2500 a good fit for larger commercial audio zones?
Yes. With 500W per channel, it is a strong option for larger paging and background music systems in schools, restaurants, retail spaces, warehouses, and other commercial environments.

3. Can this amplifier help simplify a rack build?
Yes. Because it can run different speaker types from a single 1U chassis, it can reduce equipment count and help create a cleaner, more efficient rack layout in many commercial installs.