●AM412 is a high quality 36 volt phantom power, compact, variegated applications microphone pre-amplifier. It is perfectly suited for internet conference systems, or computer based acoustical analysis systems.

● This pre-amplifier features a XLR balanced Microphone input, output gain control with clip indicator, XLR balanced Line level output and a 3.5mm mini-jack Microphone output for connection to standard computer soundcard microphone input.

● The panel is laid out clearly with Phantom Power LED indicator and switch. A corresponding LED that indicate signal content of microphone input. A switchable Low Frequency Filter can remove microphone bumps and rumble.

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Freq. Response

03dB 50Hz~20kHz

Input Impedance

10k ohm Balanced

Max. Input Level

-3 dBu (Refered to Min Gain)

-40 dBu (Refered to Max Gain)

Max. Output Level

 +26 dBu XLR Balanced

-24 dBu 3.5mm Unbalanced

Balanced Input(1KHz)

70 dB Typically

Output Gain Range

+30 dB to +60 dB

Output Impedance

200 ohm (XLR Balanced)

200 ohm (3.5mm Mini-Jack Unbalanced)

Output Noise (A-wtd)

-80 dB (Refered to Min Gain)

-52 dB (Refered to Max Gain)


0.03% @ 1kHz at +21dBm (Refered to Min Gain)

Phantom Power


'Input / Output / Power'

XLR Female Input

XLR Male Output

3.5mm Mini Jack Output

DC Power Jack (12-16 VDC)


Phantom Switch

LFF Switch

Power Switch



Soundking is a globalised industrial Group focusing on engineering, production, marketing and installation of pro audio, digital cinema and other live performance related equipment.
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Address: Ningbo City, Zhejiang Province integrity Road 818 Zip code:315140 Tel:0574-88235195
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