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Hall Research AMP-4840 40 Watt Audio Amplifier with Microphone Mixer

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Hall Research, AMP-4840, 40 Watt Audio Amplifier with Microphone Mixer and RS-232 Control

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.

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Features:

  • Drives: 2x 20w at 4 or 2x 10w at 8 or 1x 40w at 8 in bridge mode
  • Two stereo audio inputs, switchable by button, IR remote and RS-232
  • Volume / Bass / Treble controllable by buttons IR remote and 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
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  • These are made-to-order items.
  • This product is not eligible for return or exchange unless defective.
  • The average lead-time is 1 or 2 weeks.

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Please note that return requests for Hall Research items must be submitted within 14 days after the delivery date.

Technical Details

Reviews
Rated Output2 x 20 w at 4 or 2 x 10 w at 8
Gain32 dB
Frequency Range20 Hz to 20Khz
Signal/Noise Ratio20Hz to 20KHz
Total Harmonic Distortion80dB (at max output)
Input Impedance 10 Kohm
Output Impedance3.5 mm Loop Out: 50 ohm
Speaker Out: 4-8 ohm - Amplified
Stereo Channel Separation75 dB from 20 Hz to 20 KHz
CMRR70 dB from 20 Hz to 20 KHz
Operating Temperature0C to 40C (32F to 104)
Humidity20 to 90% non-condensing
PowerMax Consumption: 40 watts
Idle Consumption: 4 watts
Power SupplyInput: 100 VAC to 240 VAC, 47-63 Hz
Output 24 VDC / 5A
Notes

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Product Details
Rated Output2 x 20 w at 4 or 2 x 10 w at 8
Gain32 dB
Frequency Range20 Hz to 20Khz
Signal/Noise Ratio20Hz to 20KHz
Total Harmonic Distortion80dB (at max output)
Input Impedance 10 Kohm
Output Impedance3.5 mm Loop Out: 50 ohm
Speaker Out: 4-8 ohm - Amplified
Stereo Channel Separation75 dB from 20 Hz to 20 KHz
CMRR70 dB from 20 Hz to 20 KHz
Operating Temperature0C to 40C (32F to 104)
Humidity20 to 90% non-condensing
PowerMax Consumption: 40 watts
Idle Consumption: 4 watts
Power SupplyInput: 100 VAC to 240 VAC, 47-63 Hz
Output 24 VDC / 5A
Return and Warranty

Return and Warranty

Please note that return requests for Hall Research items must be submitted within 14 days after the delivery date.
Note

Note: Please read description carefully. Do not base your order on the picture presented.

Reviews

Reviews

Prime Buy
1-855-969-9322
1-908-282-3332 (Intl.)