Evertz

Evertz 400ADA-AUD | 1x9 Analog Audio Distribution Amplifier

Evertz Signal Processing

Professional broadcast product designed for reliable production, streaming, and modern media workflows.

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Key Features

1x9 Analog Audio Distribution: Drives up to nine identical balanced or single-ended analog audio outputs from one input source.
Universal Differential Input: Supports automatic single-ended-to-differential conversion with >105dB CMRR at 60Hz.
Flexible Gain Calibration: Provides 0dB/+6dB input gain, 0/3.5/9.5dB output gain, and -5dB to +5dB card-edge fine adjustment.
Broadcast-Grade Audio Quality: Delivers 0.001% THD+N with high signal-to-noise performance across the 20Hz–20kHz audio range.
High-Density Modular Design: Occupies one slot in the Evertz 3RU 400FR frame, supporting up to 16 DA modules per chassis.
On-Card Diagnostics: Provides card-edge LEDs for module status, local fault detection, and power supply health monitoring.

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Product Overview +

High-Performance Analog Audio Distribution

The Evertz 400ADA-AUD is a broadcast-grade 1x9 analog audio distribution amplifier designed for critical audio distribution across broadcast facilities, recording studios, and live production environments. Engineered to split differential balanced or single-ended audio signals without signal degradation, the module delivers clean sound replication across 9 terminal block outputs.

Comprehensive Gain & Signal Optimization

Input & Output Level Adjustment: Jumper-selectable input step gain (0 dB / +6 dB) and output step gain (0 dB / 3.5 dB / 9.5 dB) allow precise matching between professional (+4 dBu) and consumer (-10 dBV) equipment.
Fine Calibration: A card-edge potentiometer provides fine-tuning between -5 dB and +5 dB for accurate level alignment.
Noise Immunity: Exceptional CMRR (> 105 dB @ 60 Hz) and channel isolation (> 100 dB @ 1 kHz) eliminate ground loops, line hum, and crosstalk in complex wiring plants.

Reliable Modular Chassis Integration

Occupying a single slot in the 3RU Evertz 400FR modular frame, up to 16 400ADA-AUD amplifiers can be deployed in a single chassis to deliver 144 distributed audio outputs in 3 rack units. Quick-reference card-edge LEDs give operators real-time visual feedback on module power and operating status.

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