iD4

The 2-in/2-out High Performance Audio Interface

Record your guitar and vocals simultaneously!

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The 2-in/2-out High Performance Audio Interface
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Recording, mixing, mastering, tips from the pros and more available for free!

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Specifications

MICROPHONE PREAMPLIFIER:

(measurement includes ADC signal path)

MIC GAIN:0 to 58 dB 
LINE GAIN:-10 to 48 dB (-10dB hardwired line pad)
PHANTOM POWER:48V ±4V @ 10mA/Channel
MIC EIN:<-126.0 dBu
CMRR:>75 dB @ 1kHz
MAXIMUM INPUT LEVEL:+12 dBu (0 dBFS digital Maximum)
INPUT IMPEDANCE (Mic):2.8 kΩ Balanced
INPUT IMPEDANCE (Line):>8kΩ Balanced
FREQUENCY RESPONSE:±0.1 dB 20Hz to 22kHz @ min. gain
±1.0 dB 20Hz to 22kHz @ max. gain
CROSSTALK:<-91 dBu
THD+N @ 0dBu (1kHz):0.0015% (-96.5dBu)
SNR:96 dB un-weighted, 99 dB A-weighted
XLR Combi FemalePin 2 (Hot), Pin 3 (Cold) & Pin 1 (Shield)
1/4" TRS JackTip (Hot), Ring (Cold) & Sleeve (Shield)

D.I (Channel 1):

D.I GAIN:-5 to 35 dB
MAXIMUM INPUT LEVEL:+8 dBu (0.6% THD typical)
INPUT IMPEDANCE:>500kΩ Unbalanced
FREQUENCY RESPONSE:±0.1 dB 20Hz to 22kHz
THD+N @ 0dBu (1kHz):<0.1% all musical 2nd and 3rd harmonics

Typically 0.05% at 0dBu

SNR:87 dB un-weighted, 90dB A-weighted
1/4” JACK:TIP (Hot) & SLEEVE (Shield)

ANALOGUE TO DIGITAL CONVERTER (ADC 1 & 2):

(measured sans microphone preamplifier under AES-17)

MAXIMUM INPUT LEVEL:+12 dBu (0 dBFS digital maximum)
DIGITAL REFERENCE LEVEL:+12 dBu = 0 dBFS
FREQUENCY RESPONSE:±0.1 dB 10Hz to Fs/2 (flat to nyquist)
CROSSTALK:-100 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):<0.001% (-100 dB)
THD+N @ -6dBFS (1kHz):<0.0011% (-99.1 dB)
DYNAMIC RANGE:112 dB un-weighted
114 dB A-weighted

DIGITAL TO ANALOGUE CONVERTER (DAC 1&2):

(measured under AES-17 at line outputs 1&2)

MAXIMUM OUTPUT LEVEL:+12 dBu (0 dBFS digital maximum)
DIGITAL REFERENCE LEVEL:+12 dBu = 0 dBFS
OUTPUT IMPEDANCE<100Ω
FREQUENCY RESPONSE:±0.1 dB 10Hz to Fs/2 (flat to nyquist)
CROSSTALK:<-104 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):<0.0015% (-96.5 dB)
DYNAMIC RANGE:112 dB un-weighted
115 dB A-weighted
1/4" TRS JackTip (Hot), Ring (Cold) & Sleeve (Shield)

DUAL HEADPHONE OUTPUT:

MAXIMUM OUTPUT LEVEL:+12 dBu (0dBFS digital maximum)
DIGITAL REFERENCE LEVEL:+12 dBu = 0 dBFS
VOLTAGE GAIN:+6 dB (optimised for loudness)
OUTPUT IMPEDANCE:<30 Ω Balanced
FREQUENCY RESPONSE:±1.0 dB 10Hz to Fs/2 (load dependant)
CROSSTALK:-98 dBu @ 1kHz & 10kHz
THD+N @ -1dBFS (1kHz):<0.0012% (-98.4 dB)
DYNAMIC RANGE:106 dB un-weighted
108 dB A-weighted
MAX LEVEL INTO 30ohms:+3 dBu, 0.008% THD+N, Power: 80mW
MAX LEVEL INTO 60ohms:+6 dBu, 0.005% THD+N, Power: 80mW
MAX LEVEL INTO 600ohms:+12 dBu, 0.0025% THD+N, Power: 31mW
1/4” TRS JACK:TIP (Left), RING (Right) & SLEEVE (Shield)
1/8” MINI JACK:TIP (Left), RING (Right) & SLEEVE (Shield)

USB 2.0 HIGH SPEED:

BUS POWER:500mA @5V System Limit
420mA @5V Maximum (No 48V)
No. of INPUT CHANNELS:2 (2 Analogue)
No. of OUTPUT CHANNELS:2 (2 Analogue)
DSP MIXER LATENCY:ROUND TRIP (in-to-out)

44.1kHz 1.583ms
48.0kHz 1.458ms
88.2kHz 0.792ms
96.0kHz 0.729ms

COMPATIBILITY:

iD4 supports the following operating systems:

  • macOS 10.7.5 and later
  • Windows 7 and later
  • iOS 6 and later

*  To use iD4 with an iOS device a camera adapter kit and a powered USB 2.0 hub is required.

POWER SUPPLY:

USB2.0 Powered (2.5 Watts Maximum)*

* iD4 features our class leading converters and class-A mic pre. We've optimised all circuitry so that we can supply true 48v phantom power to a single Audient mic pre without compromise. Your microphones will thank you when they get enough voltage.

 

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