Keith McMillen Instruments K-MIX USB Audio Interface, Control Surface, & Performance Mixer

Audio

Input Channels:

8 Balanced Inputs,

Signals up to +28 dBu

Output Channels

10 Outputs (8 balanced)

Bit Depth

24-bit AKM converters

110db dynamic range

Sample Rate

44.1kHz, 48kHz, 88.2kHz, 96kHz

Connections

Analog Inputs

2x XLR/TRS combo jacks

• XLR mic/line inputs (balanced)
• Hi-Z Inst/Line 1/4" TRS Inputs (balanced)

6x 1/4" TRS connectors (line/phono, balanced)

Analog Outputs

8x 1/4" / 6.4 mm TRS connectors (balanced)

Digital

1x Micro-USB (Audio I/O, MIDI I/O, Power)
1x Mini-USB (Power, Expander MIDI)

Control

Faders

8 channel faders (75 mm)
12 LED indicators per channel fader
1 master fader with 24 LEDs
MIDI position CC output on all faders

Rotary Encoder

4 rotary controls (360°)
16 LEDs per rotary
MIDI position CC output on all rotaries

Buttons

9 channel select buttons
4 bank select buttons
17 function buttons
MIDI note output on all buttons

Mic Preamp

Number

2x ultra low-noise μPre mic pres

Phantom Power

+48 V or 12V phantom power

Gain

+60 dB additional gain

THD + Noise

-105.12 dBu @ 0 dB gain, 20 Hz - 20 kHz (unweighted)
-116.49 dBu @ 0 dB gain, 20 Hz - 20 kHz (A weighted)

EIN

-127.0 dBu, 150 ohms @ 20Hz - 20kHz, max gain (unweighted)

Frequency Response

± 0.03dB @ 20Hz - 20kHz (44.1 kHz, unweighted)
± 0.15dB @ 20 Hz - 40 kHz (96 kHz, unweighted)

Processing

Equalization

3-band semi-parametric EQ
±18 dB cut/boost

Compressor

Compressor/Limiter on each channel
Adjustable threshold, attack, release, and makeup gain

Gate

Noise gate on each channel
Adjustable threshold, attack, release, and gain reduction

Reverb

Master reverb with individual sends per channel

Surround

Quadraphonic, 5.1, 7.1, and Octophonic surround output
Each channel assignable to one of four surround panners