DVDO 2x50W Class-D Audio Amplifier with 3 Inputs & Volume Control

DVDO-AA2x50W-1 is a compact Class D stereo audio amplifier ideal for small to medium-sized AV environments, including classrooms, meeting rooms, small venues, bars, restaurants, and digital signage systems.

It offers three switchable audio inputs: 2 analog (1 x L/R stereo + 1 x 3.5mm) and 1 digital (S/PDIF optical).

The amplifier supports two output configurations: Stereo (2 x 50W @ 8Ω) and Mono (1 x 100W @ 4Ω), with adjustable line, bass, treble, volume and input selection controls.

Operation is flexible, with control options via front panel buttons and knob, IR remote, RS232 or IP with a user-friendly web GUI.

Features:

• High-efficiency Class D amplification with low heat generation and reliable operation 
• Compact design suitable for rack, wall, ceiling or under-table mounting
• Three audio inputs: 2 analog (RCA L/R & 3.5mm) + 1 digital optical audio (S/PDIF)
• Switchable output modes: Stereo 2x50W @ 8Ohm or Mono 1x100W @ 4Ohm
• Loop output for signal pass-through or daisy-chaining
• EQ management including line, bass and treble control
• Volume adjustment via front panel rotary knob
• Control via front panel buttons, IR, RS232 & IP
• Power off memory

Input

• Input Signal: (1) L+R stereo audio, (1) 3.5mm analog audio, (1) Optical fiber audio
• Input Connector: (2) RCA, (1) 3.5mm mini jack, (1) SPDIF
• Input Impedance: >10KΩ

Output

• Output Signal: (1) LOOP, (2) Stereo audio, (1) Mono audio
• Connectors: (1) 3.5mm jack, (1) 4-pin 5.08mm connector
• Damping coefficient: >100

Control

• Control: (1) RS232, (1) IR IN, (1) TCP/IP
• Control Connector: (1) 3-pin terminal block, (1) 3.5mm mini jack, (1) Female RJ45

General

• SNR: 80dB
• THD+ Noise: 1%@1KHz 50W
• Separation: 75dB 20Hz～20KHz
• Damping coefficient: >100
• Voltage Gain: 32dB
• Output Power: 100W@4Ω/2×50W@8Ω
• Power Supply: 36V DC 2.7A
• Power Consumption: 1.48w (Max)
• Operation Temperature: -10℃ ~ +55℃
• Storage Temperature: -25℃ ~ +70℃
• Relative Humility: 10%-90%
• Dimensions (W*H*D): 148mm x44mm x165 mm
• Net Weight About: 720g

• 1x Mini Audio Amplifier
• 2x Mounting Ears with 4 Screws
• 4x Plastic Cushions
• 1x Power Adapter (36V DC 2.7A)
• 1x IR Remote
• 1x IR Receiver
• 1x 3-pin Terminal Block
• 1 x 4-pin Terminal Block
• 1x User Manual