- MA3906
- MA3906 2×60W Stereo Pre-amplifier with USB
● 4 Mic inputs, Mic 3 & Mic 4 with phantom power 48V
● Support MP3 play by USB
● 3 stereo AUX inputs with bass/treble
● 1 AUX output for power extension
● 7-band equalizer adjustment
● Echo, delay, repeat and audio recording
● Power supply: AC220V/50Hz
● Two modes:select program, adjust volume, and select repeating mode and EQ mode
Description
MA3906 amplifier integrates balancing function and pre-amplifier and post amplifier. The series is equipped with three sets of stereo sound source input ports, four microphone input ports, a stereo line output ports, a recording output port and two groups of amplifier output terminals. Volume of three-way stereo sound source channels can be controlled independently cooperating with function of “choose 1 out of 4”. Volume of four microphones can be controlled independently. There is also a master volume control knob on the front panel. Equipped with seven equal sections, output volume is adjustable.
This product is more user-friendly designed. It adopts innovative technology and produces powerful, beautiful sound. Its functional operation is clear at a glance. At the same time, the product is designed for conference, sound volume is adjustable. Besides, it has multiple protection and enough function, stable and suitable for conference, background music, Karaoke, audio-visual and family engineering support.
Features
● 2 stereo outputs for 8Ω speaker
● 4 Mic inputs, Mic 3 & Mic 4 with phantom power 48V
● Support MP3 play by USB
● 3 stereo AUX inputs with bass/treble
● 1 AUX output for power extension
● 7-band equalizer adjustment
● Echo, delay, repeat and audio recording
● Power supply: AC220V/50Hz
● Two modes:select program, adjust volume, and select repeating mode and EQ mode
Specification
|
Model |
MA3906 |
MA3912 |
|
Microphone input sensitivity |
5 ± 0.5mV |
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Line input sensitivity |
250 ± 50mV |
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MP3 input -10dB / 1KHZ sine wave |
Output 23V |
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Line output voltage |
950 ± 150mV |
|
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Total harmonic distortion |
≤0.5 (1KHz, normal working conditions) |
|
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Line frequency response |
20-20k Hz (± 3dB) |
|
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Microphone frequency response |
80-20k Hz (± 3 dB) |
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Microphone 7 balanced |
64HZ: ± 12dB |
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160HZ: ± 12dB |
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400HZ: ± 12dB |
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1KHZ: ± 12dB |
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2.5KHZ: ± 12dB |
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6.4KHZ: ± 12dB |
||
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15KHZ: ± 12dB |
||
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Line input and MP3 tone adjustment range bass |
100Hz: ± 12dB |
|
|
Treble |
10KHz: ± 12dB |
|
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Signal to noise ratio (8Ω output) |
≥75dB |
|
|
Working power supply |
AC220-240V / 50Hz |
|
|
Phantom voltage |
+ 48V |
|
|
Rated power consumption |
8Ω 60W |
8Ω 120W |
|
Protective function |
Overload, over temperature, short circuit |
|
|
Dimension (L × W × H) |
483x 310x 88 mm |
|
|
Dimension (L × W × H) |
520mm×395mm×170mm |
|
|
Gross weight |
9.5kg |
10.15kg |
|
Net weight |
7.5kg |
8.15kg |
