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
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High-power output: Capable of delivering 500 W+ per channel under 8 Ω and significantly more under lower impedances.
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Low-impedance and high-current capable: Minimum load down to 2 Ω, ensuring compatibility with demanding speaker loads.
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Advanced switching PSU with active PFC & soft-switching: Guarantees stable, efficient power delivery and reduces heat / stress under heavy use.
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DDT™ protection & clipping prevention: Maintains output quality and protects speakers under stress or overload conditions.
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Wide frequency response & high fidelity: 20 Hz – 20 kHz (± 0.5 dB) ensures balanced, full-range sound for music or speech.
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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.
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Comprehensive protection suite: Including under-voltage, DC output, overheat, overload and short-circuit protection for long-term reliability.
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Rack-mountable 2U chassis: Compact 19″ enclosure for easy integration into studio racks or touring rigs.
Technical Specifications
| Minimum Load Impedance |
2 Ω |
| RMS Output Power (per channel, 8 Ω) |
≈ 500 W (varies depending on load) |
| Frequency Response |
20 Hz – 20 kHz, +0 / –0.5 dB (10% rated output) |
| THD + N |
< 0.01% (8 Ω, 1 kHz, 10% rated output) |
| Damping Factor |
> 5000 (8 Ω, 20–200 Hz) |
| Input Impedance |
20 kΩ (balanced), 10 kΩ (unbalanced) |
| Signal-to-Noise Ratio |
> 105 dB (A-weighted, 8 Ω) |
| Power Supply |
AC 90–260 V, 50/60 Hz (auto-sensing) |
| Rack Size |
2U, 19″ standard width; dimensions approx. 88 × 483 × 370 mm; weight ≈ 10 kg |
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.