QSC

QSC CIML4

Mic/Line Analog Input Card

4 input

Four channels of switchable microphone and/or line-level analog audio input with 48 V phantom power as well as high-quality preamplification and A/D conversion.

CIML4

Technical Specifications

DESCRIPTION
Mic/Line Input Four channels of microphone / line-level analog audio input with 48V phantom power
PERFORMANCE
Dynamic Range Unweighted
> 105 dB
Dynamic Range A-weighted
> 108 dB
Distortion 20 Hz–20 kHz +4 dBu (nominal input)
< 0.009% THD+N
Distortion 20 Hz–20 kHz 2dB below clip (max)
< 0.08% THD+N
Crosstalk 20 Hz - 20 kHz
Inter-channel (max)
> 100 dB
Inter-channel (typ)
> 110 dB
Intra-channel (max)
> 100 dB
Intra-channel (typ)
> 110 dB
Frequency Response 20 Hz–20 kHz (max)
± 0.5 dB
Frequency Response 20 Hz–20 kHz (typ)
± 0.2 dB
Input Impedance Balanced (nominal)
10 kΩ
Input Impedance Unbalanced (nominal)
10 kΩ
Common Mode Rejection 20 Hz – 20 kHz (max)
> 45 dB
Common Mode Rejection 20 Hz – 20 kHz (typ)
> 50 dB
Max Input Level
0.123, 2.25, 8.70, 17.35 Vrms, -16, 10, 21, 27 dBu, 18.2, 7.04, 18.8, 24.78 dBv, (4 selections)
Mute
Infinite attenuation (via digital mute)
AUDIO CONVERTERS
Analog to Digital Conversion (ADCs)
24-bit delta-sigma at 48 or 96 kHz sample rate
Group Delay
< 13 samples (≈ 271 μs) at 48 kHz
CONNECTORS
Four 3-terminal Euro-style detachable terminal blocks
USER-CONFIGURABLE OPTIONS(software enabled)
Phantom Power
+48 V phantom power (meets IEC 1938 [1996] spec)

The QSC CIML4 is a four-channel Mic/Line input card for Q-SYS systems, providing high-quality audio capture with flexible gain control and reliable signal processing. It’s ideal for integrating microphones, line-level sources, and external audio devices into scalable commercial AV installations. 

DESCRIPTIONMic/Line Input Four channels of microphone / line-level analog audio input with 48V phantom power
PERFORMANCE
Dynamic Range Unweighted> 105 dB
Dynamic Range A-weighted> 108 dB
Distortion 20 Hz–20 kHz +4 dBu (nominal input)< 0.009% THD+N
Distortion 20 Hz–20 kHz 2dB below clip (max)< 0.08% THD+N
Crosstalk 20 Hz - 20 kHz
Inter-channel (max)> 100 dB
Inter-channel (typ)> 110 dB
Intra-channel (max)> 100 dB
Intra-channel (typ)> 110 dB
Frequency Response 20 Hz–20 kHz (max)± 0.5 dB
Frequency Response 20 Hz–20 kHz (typ)± 0.2 dB
Input Impedance Balanced (nominal)10 kΩ
Input Impedance Unbalanced (nominal)10 kΩ
Common Mode Rejection 20 Hz – 20 kHz (max)> 45 dB
Common Mode Rejection 20 Hz – 20 kHz (typ)> 50 dB
Max Input Level0.123, 2.25, 8.70, 17.35 Vrms, -16, 10, 21, 27 dBu, 18.2, 7.04, 18.8, 24.78 dBv, (4 selections)
MuteInfinite attenuation (via digital mute)
AUDIO CONVERTERS
Analog to Digital Conversion (ADCs)24-bit delta-sigma at 48 or 96 kHz sample rate
Group Delay< 13 samples (≈ 271 μs) at 48 kHz
CONNECTORSFour 3-terminal Euro-style detachable terminal blocks
USER-CONFIGURABLE OPTIONS(software enabled)
Phantom Power+48 V phantom power (meets IEC 1938 [1996] spec)

About Penguin Media Solutions

Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.

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