Hall Technologies 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.

Key Features

• Drives: 2x 20w @ 4 or 2x 10w @ 8 or 1x 40w @ 8 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

Technical Specifications

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