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40 Watt Audio Amplifier with Microphone Mixer and RS-232 Control

AMP-4840

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  • Drives: 2x 20w @ 4Ω or 2x 10w @ 8Ω or 1x 40w @ 8Ω in bridge mode
  • Two stereo audio inputs, switchable by button, IR remote & RS-232
  • Volume / Bass / Treble controllable by buttons IR remote & RS-232
  • MIC port supports balanced or unbalanced signals
  • 3.5mm jack line audio output with controllable volume
  • Mono mix switch for summing left and right channels for driving mono outputs

The AMP-4840 is a compact, economical and energy efficient (Class D) mono / stereo audio amplifier with 3 inputs (2 line in and 1 balanced mic). Versatile design is compatible with dynamic, condenser or wireless microphones with fully adjustable control options including RS-232, IR, and front panel buttons. Functions include bridge connection, dual-mono, EQ control, and microphone mixer.

It is designed to drive one or two speakers, but is capable of driving 4 speakers in parallel mode as shown below. In the below configuration each 8 ohm speaker will be able to deliver upto 10 watts of power for a total of 40 watts


The AMP-4840 is a perfect for classrooms, meeting rooms, boardrooms, sports bars, and more.


Optional IR Remote Kit

The IR Remote can be ordered separately (P/N  AMP-4840-REMOTE )

Introductory Video

  • Drives: 2x 20w @ 4Ω or 2x 10w @ 8Ω or 1x 40w @ 8Ω in bridge mode
  • Two stereo audio inputs, switchable by button, IR remote & RS-232
  • Volume / Bass / Treble controllable by buttons IR remote & RS-232
  • MIC port supports balanced or unbalanced signals
  • 3.5mm jack line audio output with controllable volume
  • Mono mix switch for summing left and right channels for driving mono outputs
  • Microphone input can be mixed with line input and each can be controlled separately
  • MIC input supports 48V phantom power, dynamic MIC and wireless MIC
  • Auto noise squelch. Detects audio on inputs and mutes the output when there is no input
  • Does not have fans
  • Rated Output:
    2 x 20 w @ 4 or 2 x 10 w @ 8
  • Gain:
    1 x 40 w @ 8 - in bridge mode
  • Frequency Range:
    32dB
  • Signal/Noise Ratio:
    20Hz to 20KHz
  • Total Harmonic Distortion:
    80dB (at max output)
  • Input Impedance:
    1% (1KHz), 0.3% (20KHz) -- at nominal levels
  • Output Impedance:
    >10K-
  • Stereo Channel Separation:
    3.5mm Loop Out: 50- stereo
  • CMRR:
    Speaker out: 4 ~ 8 Amplifier
  • Operating Temperature:
    0°C to 40°C (32°F to 104)
  • Humidity:
    20 to 90% non-condensing
  • Power:
    Max Consumption: 40 watts
    Idle Consumption: 4 watts
  • Power Supply:
    Input: 100 VAC to 240 VAC, 47-63 Hz
    Output 24 VDC / 5A
  • Dimension:
    Model: 3.78" (96 mm) W x 3.43" (87 mm) D x 1.5" (38 mm) H
  • Weight:
    Model: 0.66 lbs (0.3 kg)
    Shipping: 2.16 lbs (0.98 kg)
  • Certifications:
    Unit: CE, FCC, RoHS
    Power Supply: cULus