Function description
Amplifier
PRIORITY MICROPHONE INPUT
This is unbalanced microphone input which has a priority over the microphones, AUX/PHONO inputs and
media player.
PRIORITY MICROPHONE LEVEL CONTROL
This knob is designed for the priority microphone volume level controlling.
MICROPHONE INPUT
This is unbalanced microphone input.
MICROPHONE LEVEL CONTROL
This knob is designed for the microphone volume level controlling.
BASS TONE CONTROL
This knob is used to attenuate low frequency tones of the sound. Low frequency can by adjusted in ±10
dB range at 100 Hz point.
AUX/PHONO LEVEL CONTROL
This knob is designed for the AUX/PHONO input volume level controlling.
TREBLE TONE CONTROL
This knob is used to attenuate high frequency tones of the sound. High frequency can by adjusted in ±10 dB
range at 100 kHz point
MASTER VOLUME CONTROL
This knob is designed to adjust main volume of the amplifier.
POWER SWITCH
By using this switch amplifier can be turning on/off.
POWER INDICATOR
This LED lights up after amplifier's turning on.
POWER CONECTOR AND FUSE
Power connector is designed for main powers connecting to amplifier. This connector is combined with
fuse holder and 1A, 250V fuse.
SCREW TERMINAL FOR 12V DC POWER SUPPLY
This terminal is designed to power up the amplifier when the main power is unavailable. Use only
DC 12V power supply or batteries and take attention to polarity during the wiring.
SCREW TERMINAL OUTPUT
This terminal is designed to connect audio line to amplifier. There are available 4 types of output: low
impedance 4 Ω output, 25 Ω, 70 V and 100 V outputs for audio line. Please find same connection examples
in page 8.
Summary of Contents for MPA 30
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