Zoom M4 MicTrak - Device Specifications; Input and Output Channels

Specifications
Built-in mic (stereo) 1
MIC/LINE (mono) 2
Inputs
/LINE IN
1
LINE OUT 1
PHONE OUT 1
Input and
output
channels
Outputs
Built-in speaker (mono) 1
90º XY stereo format
Directionality Unidirectional
Sensitivity −42 dB/1 Pa at 1 kHz
Built-in mic
Maximum sound pressure
input
135 dB SPL
Connector XLR/TRS combo jacks × 2 (XLR: 2 HOT,
TRS: TIP HOT)
Input gain Adjustment unnecessary (dual A/D
converter circuit used)
Input impedance MIC: 3 kΩ or more
LINE: 3 kΩ or more
Maximum input level MIC: +4 dBu
LINE: +24 dBu
Phantom power +24/+48 V
Channel total 10 mA or less
MIC/LINE (mono)
Equivalent input noise –127 dBu or less (IHF-A) with volume
display amplification at maximum and
150Ω input
Connector Stereo mini jack × 1
Input gain Adjustment unnecessary (dual A/D
converter circuit used)
Inputs
/LINE IN
(supports plug-in power)
Input impedance 2 kΩ or more
Connector Stereo mini jack × 1
Maximum output level +1 dBu
LINE OUT
Output impedance 110 Ω or less
Connector Stereo mini jack × 1
Maximum output level 20 mW + 20 mW (into 32Ω load)
Outputs
PHONE OUT
Output impedance 15 Ω or less
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