The AtlasIED DPA404 is a powerful and flexible 4-channel DSP-enabled amplifier engineered for commercial AV installations requiring a mix of 70V/100V distributed audio and 4Ω/8Ω low-impedance speaker loads. This versatile amplifier offers configurable DSP, network connectivity, and optional Dante™ integration, making it ideal for paging, background music, and foreground audio in multi-zone environments such as schools, corporate offices, retail, hospitality, and houses of worship.
Use the DPA404 right out of the box with factory settings, or tap into its powerful GUI-based controls to manage routing, EQ, limiting, filtering, and delay per channel. With four balanced inputs, expandable to eight via an optional Dante™ receiver card (DPA-DAC4) or mic/line input card (DPA-AMIX), the DPA404 simplifies complex system designs.
Remote control via PC, iOS®, or Android®, GPIO control ports, and PC-based DPA Site Manager software enhance usability and monitoring, while the flexible output configuration ensures compatibility with a wide range of commercial sound systems.
AtlasIED DPA404 FEATURES
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4-Channel DSP amplifier with flexible output routing
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Supports 70.7V, 100V, 8Ω, or 4Ω output per channel
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Use in 4-channel mode or dual stereo zone applications
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Factory pre-configured for instant use – no setup required
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Four (4) balanced line inputs, expandable to eight (8) via accessory cards
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Optional DPA-DAC4 Dante™ receiver card or DPA-AMIX mic/line input card
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Onboard DSP per channel: EQ, HPF/LPF filters, delay, limiting, gain control
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Remote control via PC, iOS®, Android® devices
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PC-based DPA Site Manager software with IP auto-discovery & fault reporting
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Assignable mute functions via audio signal or contact closure
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GPIO ports for remote level control or mute
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Configurable output control via front panel or software GUI
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Ideal for commercial audio systems requiring mixed impedance zones
AtlasIED DPA404 SPECIFICATIONS
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POWER OUTPUT
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4 x 100-Watts @ 70.7V
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POWER OUTPUT
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4 x 100-Watts @ 100V
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POWER OUTPUT
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4 x 75-Watts @ 8Ω
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POWER OUTPUT
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4 x 50-Watts @ 4Ω
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POWER OUTPUT
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2 x 100-Watts @ 70.7V, 2 x 75-Watts @ 8Ω
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POWER OUTPUT
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2 x 100-Watts @ 100V, 2 x 50-Watts @ 4Ω
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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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VOLTAGE COMPATIBILITY
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Universal
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