Peavey DA 404 Power Amplifier

Professional-grade power amp delivering high output, reliability and versatility for PA, live sound or fixed installations.

The Peavey DA 404 is a power amplifier built for demanding audio applications — offering high-current output under low impedance loads, efficient switching-power supply with active-PFC and soft switching, and robust protection circuitry. Whether you're powering a full-range speaker stack, driving monitors, or running a fixed-installation sound system, the DA 404 delivers stable, distortion-free amplification with excellent dynamic range and headroom.

Key Features

• High-power output: Capable of delivering 500 W+ per channel under 8 Ω and significantly more under lower impedances. 
• Low-impedance and high-current capable: Minimum load down to 2 Ω, ensuring compatibility with demanding speaker loads. 
• Advanced switching PSU with active PFC & soft-switching: Guarantees stable, efficient power delivery and reduces heat / stress under heavy use. 
• DDT™ protection & clipping prevention: Maintains output quality and protects speakers under stress or overload conditions.
• Wide frequency response & high fidelity: 20 Hz – 20 kHz (± 0.5 dB) ensures balanced, full-range sound for music or speech.
• Balanced/unbalanced inputs & flexible sensitivity: Supports a variety of signal sources; input sensitivity selectable (35 dB, 32 dB, 29 dB, 26 dB) for optimum matching.
• Comprehensive protection suite: Including under-voltage, DC output, overheat, overload and short-circuit protection for long-term reliability. 
• Rack-mountable 2U chassis: Compact 19″ enclosure for easy integration into studio racks or touring rigs. 

Technical Specifications

Best For

• Live sound, PA systems and concert venues requiring high-power, durable amplification.
• Clubs, auditoriums, halls — ideal when driving full-range speakers or large systems.
• Fixed installations needing reliable output and robust protection under heavy loads.
• Rental rigs or touring setups — rack-mountable, road-worthy and versatile for varied speaker loads.
• Sound reinforcement for speech, music playback, events or stage performances.