900 Series Microphone Input Modules

Training

Amplifiers &
Mixer/Amplifiers

Modules

Speakers

Network Audio

Mixers

Digital Signal Processors

Wired & Wireless Microphones

Conference Systems

Digital Message Repeaters

Megaphones

AM/FM Tuner

Program Timer

Impedance Meter

CCTV/Video Surveillance

Intercom Systems

Alphanumeric

How To Buy

Search TOA

Discontinued Products

Installation Profiles

Repair Contacts

Site Map

900 Series Microphone Input Modules

Module Index

NEW! 9000 Series Digital Mixer/Amplifiers!

New!

ML-11T
Mic/Line Input w/ Mute/Send Receive

Switchable balanced mic/line level input with Mute-Send and Mute-Receive functions, phantom power and removable terminal block connector.

Switchable mic/line input

Input Trim and Gain Controls

Adjustable Mute-Send threshold (VOX sensitivity)

High and Low Cut Filters

Phantom Power (+24 VDC)

Combination Mute Send and Receive function

respond to Mute function of higher priority Mute-Send module(s
activate Mute function of lower priority Mute-Receive module(s)

Hysteresis function ensures smooth muting transitions

Removable terminal block connector

Spec Sheet (PDF, 376kb)
Manual (PDF, 44kb)
CAD (DWG, 58kb)

M-01 Series
Microphone Input

For balanced, low impedance mics. Choose from four connector types: female XLR, male XLR, 1/4” phone jack or removable terminal block.

Controls/Functions:

Gain Control
High and Low Cut Filters
Phantom Power

Performance Input: 600 tb

Input Sensitivity: -70 ~ -50 dBu

Gain (Adjustable): 32 ~ 52 dB

Maximum Input: -14 dB

Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)

Physical Connector: M-01F: XLR-F, M-01M: XLR-M, M-01P: 1/4" Phone Jack, M-01S: Removable Terminal Block

M-11S
Microphone Input with Mute-Receive

For balanced, low impedance mics. Responds to mute bus activation, normally-on or normally-off.

Controls/Functions:
- Microphone Preamplifier with Muting Gain Control
- High and Low Cut Filters
- Mute to on or off
- Phantom Power
Performance Input: 600 tb
Input Sensitivity: -70 ~ -50 dBu
Gain (Adjustable): 32 ~ 52 dB
Maximum Input: -14 dB
Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)
Physical Connector: Removable Terminal Block

M-21S
Microphone Preamplifier with Remote Volume Control

For balanced, low impedance mics. Allows remote control of input signal using an external potentiometer.

Controls/Functions:
- Gain Control
- High and Low Cut Filters
- Remote Volume Facility
- Phantom Power
Performance Input: 600 tb
Input Sensitivity: -70 ~ -50 dBu
Gain (Adjustable): 32 ~ 52 dB
Maximum Input: -14 dB
Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)
Physical Connector Screw Terminals

M-41S
Microphone Input with Mute-Send

For balanced, low impedance mics. Signal at input terminals activates mute bus.

Controls/Functions:
- Gain Control
- High and Low Cut Filters
- Mute Send Sensitivity
- Phantom Power
Performance Input: 600 tb
Input Sensitivity: -70 ~ -50 dBu
Gain (Adjustable): 32 ~ 52 dB
Maximum Input: -14 dB
Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)
Physical Connector: Removable Terminal Block

M-51 Series
Microphone Input with Voice Gate

For balanced, low impedance mics. Gate function keeps module muted until input signal exceeds threshold. Choose from two connector types: female XLR or removable terminal block.

Controls/Functions:
- Gain Control
- Low Cut Filter
- Voice Gate
- Sensitivity
- Phantom Power
Performance Input: 600 tb
Input Sensitivity: -70 ~ -50 dBu
Gain (Adjustable): 32 ~ 52 dB
Maximum Input: -14 dB
Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)
Physical Connector: M-51F: XLR-F, M-51S: Removable Terminal Block

M-61 Series
Microphone Input with Compressor

For balanced, low impedance mics. Compressor function prevents overload and distortion. Choose from two connector types: female XLR or removable terminal block.

Controls/Functions:
- High and Low Cut Filters
- Compressor Sensitivity
- Phantom Power
Performance Input: 600 tb
Input Sensitivity: -70 ~ -50 dBu
Gain (Adjustable): 32 ~ 52 dB
Maximum Input: -4 dB
Signal to Noise (S/N): -126 dBu (EIN 200 Ohm)
Physical Connector*: M-61F: XLR-F, M-61S: Removable Terminal Block

M-03P
High Impedance Microphone Input

For unbalanced, high impedance mics.

Controls/Functions:
- Gain Control
- High and Low Cut Filters
Performance Input: 50 k ub
Input Sensitivity: -60 ~ -40 dBu
Gain (Adjustable): 22 ~ 42 dB
Maximum Input: -8 dB
Signal to Noise (S/N): 70 dBu (S/N)
Physical Connector: M-03P: 1/4" Phone Jack