DVDO-AA40W-1

DVDO‑AA40W‑1 

40W 70/100V Class‑D Audio Amplifier with 3 Inputs

SKU: DVDO‑AA40W‑1

Product Description

The DVDO‑AA40W‑1 is a compact 40‑watt Class‑D audio amplifier with selectable 70V or 100V output, designed for small to medium‑sized AV environments such as classrooms, meeting rooms, hospitality spaces, retail, bars, restaurants and digital signage systems. It offers multiple audio inputs, flexible control options and advanced audio processing features, making it suitable for both background audio and focused presentation sound reinforcement.

Key Features

• High‑efficiency 40W Class‑D mono amplifier

• Selectable 70V / 100V constant‑voltage output

• Compact form factor suitable for rack, wall, ceiling or under‑table mounting

• Audio ducking function for automatic microphone priority

• Three‑level MIC input supporting condenser, dynamic and wireless microphones

• MIC port supports balanced or unbalanced signals with effective noise suppression

• Two stereo inputs (3.5 mm line‑in and RCA L/R) plus one digital audio input

• Input selection via front panel buttons, IR remote or RS‑232

• Volume, bass and treble control via buttons, IR remote or RS‑232

• Fast switching performance

• LED indicators for power and operational status

Specifications

Audio Input

Supports stereo audio, microphone input and digital fiber audio. Connectors include RCA, 3.5 mm jack, captive screw connector and SPF fiber. Input impedance is above 10 kΩ.

Audio Output

Single mono amplifier output via captive screw connector. Selectable 70V or 100V constant‑voltage output.

Audio Performance

20 Hz–20 kHz frequency response. CMRR above 70 dB. SNR up to 80 dB. 40 W rated output power. Low distortion: 1% at 1 kHz, 0.3% at 20 kHz. Voltage gain is 26 dB.

Control

Front‑panel buttons, RS‑232 control and optional IR/TCP‑IP control. Supports 16 ID codes.

General

Operating temperature 0°C to +40°C. Storage temperature –10°C to +60°C. Humidity tolerance 10%–90%. Powered by a 24V 2.71A adapter. Standby consumption 5W. Dimensions: 130 × 44 × 144 mm (1U). Weight: 860 g.

Identifiers

• SKU: DVDO‑AA40W‑1

• HS Code: 8518.40 (Audio‑frequency electric amplifiers)