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Hall Research AMP-4840-E

40 Watt Audio Amplifier with Microphone Mixer and RS-232 Control
20w+20w at 4Ohms, 10w+10w at 8Ohms

£319 (£382.80 inc. VAT)
Availability: In stock

Hall Research AMP-4840-E Description

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.

Hall Research AMP-4840-E Key Features

  • 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

Hall Research AMP-4840-E Specifications

Rated Output 2 x 20 w @ 4Ω or 2 x 10 w @ 8Ω
Gain 32 dB
Frequency Range 20 Hz to 20Khz
Signal/Noise Ratio 20Hz to 20KHz
Total Harmonic Distortion 80dB (at max output)
Input Impedance > 10 KΩ
Output Impedance 3.5 mm Loop Out: 50Ω
Speaker Out 4-8Ω- Amplified
Stereo Channel Separation >75 dB from 20 Hz to 20 KHz
CMRR >70 dB from 20 Hz to 20 KHz
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: 1.95 lbs (0.88 kg)
Certifications Unit: CE, FCC, RoHS
Power Supply cULus