Name: ESI Amber i4
Brand: ESI

Mid-Range

No price info

ESI Amber i4 is an audio interface with USB 3.1 (USB-C, USB 2.0 compatible) connectivity. Inputs include 2 mic preamps, 2 combo inputs, 2 line inputs, and 2 Hi-Z inputs. Outputs include 4 main outputs and 2 headphone outputs. It supports up to 192 kHz / 24-bit, 48V phantom power, loopback, and direct monitoring. Measured performance includes 109 dB dynamic range (input) and 114 dB dynamic range (output).

Audio interface specs: ESI Amber i4
Spec	ESI Amber i4
General
Category	Mid-Range
Reference Price (USD)	—
Supported OS	macOS/Windows
Connection	USB 3.1 (USB-C, USB 2.0 compatible)
Inputs
Mic Preamps	2
Combo Inputs (XLR/TRS)	2
Line Inputs	2
RCA Input	—
Hi-Z Inputs	2
ADAT Input (ch@48kHz)	—
Optical Ports (Input)	—
S/PDIF (Coax) Input	—
S/PDIF (Optical) Input	—
AES/EBU Input	—
Outputs
Analog Main Output	4
Analog Line Output	—
RCA Output	—
Headphone Output	2
ADAT Output (ch@48kHz)	—
Optical Ports (Output)	—
S/PDIF (Coax) Output	—
S/PDIF (Optical) Output	—
AES/EBU Output	—
Features
Phantom Power (48V)	Yes
MIDI I/O	Yes
Loopback	Yes
DSP Effects	—
Direct Monitoring	Yes
Audio Performance
Max Sample Rate (kHz)	192
Max Bit Depth (bit)	24
Preamp Gain Range (dB)	60
DR Input (dB, A-weighted)	109
DR Output (dB, A-weighted)	114
DR (Unknown Conditions)	—
THD+N Mic Input (dB(%), 1kHz)	-92.0dB (0.00251%)
THD+N Output (dB(%), 1kHz)	-106.0dB (0.00050%)
THD+N (dB(%), Unknown)	—
EIN (dBu, A-weighted)	—
EIN (dBu, Unknown)	—
Measurement Reports	Manufacturer (external site)
Software & Other
Bundled Software	Bitwig Studio 8-Track, Steinberg WaveLab LE, Cubasis LE, JackTrip Virtual Studio (3-month trial)
Notes	2 combo XLR/TRS mic+instrument inputs plus 2 additional line-only combo inputs; instrument input gain range +60dB, THD+N -85dB (0.00562%) @10dB gain; frequency response 20Hz-20kHz +/-0.1dB (inputs), +/-0.03dB (main out); ADM (Advanced Direct Monitoring)

ESI Amber i4 Specs

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