Hall Research AMP-4840 40W Audio Amplifier with RS-232 and IR Control

SKU: HRAMP4840 MFR: AMP-4840
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Key Features

  • Experience robust audio with this 40W power amplifier, perfect for small venues.
  • Achieve crystal-clear sound with a low THD, ensuring high-fidelity audio amplification.
  • Enjoy flexible control options with RS-232 and IR, ideal for integrated audio systems.
  • This reliable amplifier features a high signal-to-noise ratio, minimizing unwanted noise.
  • Easily integrate with various audio sources thanks to its >10K Ohms input impedance.
  • Ensure stable performance with comprehensive protection circuits in this power amplifier.
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Hall Research AMP-4840 Specifications

  • Rated Output

    2x 20W at 4 Ohms or 2x 10W at 8 Ohms or 1x 40W at 8 Ohms in bridge mode

  • Gain

    32dB

  • Frequency Range

    20 Hz to 20KHz

  • Signal/Noise Ratio

    80 dB (at max output)

  • Total Harmonic Distortion

    1% (1 KHz), 0.3% (20 KHz) - at nominal levels

  • Input Impedance

    > 10 K Ohms

  • Output Impedance

    3.5mm Loop Out: 50 Ohms
    Speaker out: 4 Ohms - 8 Ohms - Amplified

  • Stereo Channel Separation

    >75 dB from 20 Hz to 20 KHz

  • CMRR

    >70 dB from 20 Hz to 20 KHz

  • Operating Temperature

    0 to 40 deg. C (32 to 104 deg. F)

  • Operating Humidity

    20 to 90% non-condensing

  • Power

    Max Consumption: 40W
    Idle Consumption: 4W

  • Power Supply

    Input: 100 VAC to 240 VAC, 47-63 Hz
    Output 24 VDC / 5A

  • Certifications

    Unit: CE, FCC, RoHS
    Power Supply: cULus

  • Dimensions (HxWxD)

    1.5 x 3.78 x 3.43" (3.81 x 9.60 x 8.71cm)

  • Weight

    0.3kg (0.66 lbs)

About Hall Research AMP-4840

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 up to 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.

Hall Research AMP-4840 Features

  • Drives: 2x 20W at 4 Ohms or 2x 10W at 8 Ohms or 1x 40W at 8 Ohms 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

Warranty Information

This product has a limited warranty of 36 months.

Product Documents

User Manual

Key Features

  • Experience robust audio with this 40W power amplifier, perfect for small venues.
  • Achieve crystal-clear sound with a low THD, ensuring high-fidelity audio amplification.
  • Enjoy flexible control options with RS-232 and IR, ideal for integrated audio systems.
  • This reliable amplifier features a high signal-to-noise ratio, minimizing unwanted noise.
  • Easily integrate with various audio sources thanks to its >10K Ohms input impedance.
  • Ensure stable performance with comprehensive protection circuits in this power amplifier.

What's in the box:

  • Hall Research AMP-4840 40W Audio Amplifier with RS-232 and IR Control
  • AC Adapter (24V DC) Power Supply
  • User Manual
  • Hall Research 3 Year Limited Warranty