The AtlasIED Atmosphere AZA404 is a professional-grade 4-channel 400-watt power amplifier designed for seamless integration into commercial and pro audio systems. With flexible configuration for 70V, 100V, 4Ω, or 8Ω speaker loads, this amplifier delivers up to 100 watts per channel and interfaces effortlessly with AtlasIED's Atmosphere series processors like the AZM models. Built for versatility and reliability, the AZA404 features a web-based interface for output control and monitoring, plus an optional Dante™ card slot for network audio integration. Ideal for live sound, installed systems, and studio environments, it offers plug-and-play operation right out of the box in 70V mode—no network setup required.
AtlasIED Atmosphere AZA404 Features
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4-Channel High-Power Amplifier
Delivers up to 100 watts per channel, for a total of 400 watts of reliable power output.
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Versatile Impedance Support
Supports 70V, 100V, 4Ω, and 8Ω speaker loads, configurable in channel pairs.
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Seamless Atmosphere Integration
Designed to work flawlessly with the AtlasIED Atmosphere AZM series processors for a complete audio ecosystem.
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Plug-and-Play Ready
Pre-configured for 70V operation out of the box—no additional setup or network connectivity required.
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Four Balanced Audio Inputs
Provides clean signal routing and flexibility in professional audio environments.
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Optional Dante™ Network Audio
Expandable with the DPA-DAC4 Dante™ accessory card for 4-channel audio-over-IP capability.
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Built-In Web Interface
Enables remote control, output mode configuration, and system monitoring from any browser.
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Sleek and Durable Design
High-quality construction ensures reliability for live sound, commercial installations, and studio use.
AtlasIED Atmosphere AZA404 Specifications
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Power Output
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4 x 100-Watts at 70.7V
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Power Output
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4 x 100-Watts at 100V
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Power Output
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4 x 75-Watts at 8 Ohms
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Power Output
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4 x 50-Watts at 4Ohms
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Power Output
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2 x 100-Watts at 70.7V, 2 x 75-Watts at 8 Ohms
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Power Output
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2 x 100-Watts at 100V, 2 x 50-Watts at 4 Ohms
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Amplifier Topology
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Class AB Switching Hybrid -BASH
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Input Sensitivity
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750mV Balanced, 0dBU
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Input impedance
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Balanced 40k
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Maximum Input Signal
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+14dBU Inputs 1-4, +7dBU Inputs 5-8 with Dante™
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THD
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1% @ Rated Output
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Frequency Response
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20Hz - 20kHz (DSP Filters Set to Flat)
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Signal to Noise Ratio
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>100dB Below Rated output (A-Weighted)
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Crosstalk
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73dB @ 1kHz
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Voltage
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110V - 120V & 220V - 240V Auto Switch Over, 50/60Hz
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Rack Units
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1
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Height
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1.75" (45mm)
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Width
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19" (483mm)
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Depth
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15.5" (394mm)
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Weight
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13 lbs. (5.92kg)
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