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)