MM-222

Front-end mixer focused on speech therapists

SUPERIOR AUDIO I/O FLEXIBILITY

The MM-222 is a front-end mixer with an insert point with microphone amplifier, line input (balanced and un-balanced), line output (balanced and un-balanced) and dual headphone amplifiers with separate controls. The mixer is primarily used by speech therapists.

Block diagram of MM-222

The MM-222 can be ordered directly from our partner Neovius (https://www.neovius.se).
For other usages and customizations please contact Marenius via the form below.

Contact Marenius via the form below to order the MM-4240.
Alternatively, call us at +46 31-691610

MM-222 specifications

Line XLR

Test

Value

Condition

THD+N Ratio

0.008%

@1kHz & 0dBu in, A-Weighted

BW

10Hz - 30kHz

-3dB

Equiv. input ref. noise

106dBu

@Shorted input, A-Weighted

Max gain

19.4dB

Max Output

27dBu

Max Input

8dBu

@Full gain & 2.6% THD+N Ratio

Mic - Send (Balanced)

Test

Value

Condition

THD+N Ratio

0.002%

@ 1kHz & -13dBu in, 23dB Gain, A-Weighted

BW

10Hz - 20kHz

-3dB

Equiv. input ref. noise

120dBu

@Shorted input, A-Weighted

Max gain

65dB

Max Output

26.8dBu

Max Input

-38dBu

@Full gain & 0.23% THD+N Ratio

Unbal Line (To Bal)

Test

Value

Condition

THD+N Ratio

0.006%

@ 1kHz & 0dBu in, A-Weighted

BW

10Hz - 40kHz

-3dB

Equiv. input ref. noise

111.5dBu

@20Ohm input resistance, A-Weighted

Max gain

19.5 dBu

Max Output

26.5dBu

Max Input

7dBu

@Full gain & 0.022% THD+N Ratio

Bal to Unbal

Test

Value

Condition

THD+N AMP

-88dBu

@1kHz & 0dBu in, A-Weighted

THD+N Ratio

0.007%

@1kHz & 0dBu in, A-Weighted

BW

10Hz - 30kHz

-3dB

Equiv. input ref. noise

106dBu

@Shorted input, A-Weighted

Max gain

13.5dB

Max Output

22.5dBu

Max Input

8.7dBu

@Full gain