These specifications allow you to compare your Scarlett 18i20 with other devices and make sure they’ll work together. If you’re not familiar with these specifications, don’t worry you don’t need to know this information to use your Scarlett 18i20 with most devices
Where possible, we measure all performance figures following AES17.
|
Supported Sample Rates |
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz |
|
Bit Depth |
24-bit |
|
Microphone Inputs |
|
|---|---|
|
Frequency Response |
20Hz - 20kHz ± 0.06dB |
|
Dynamic Range (A-weighted) |
116dB |
|
THD+N |
-100dB @ 8dB gain |
|
Noise EIN (A-Weighted) |
-127dBu |
|
Maximum Input Level (at minimum gain) |
16dBu |
|
Gain Range |
69dB |
|
Input Impedance |
3kΩ |
|
Line Inputs |
|
|---|---|
|
Frequency Response |
20Hz - 20kHz ± 0.05dB |
|
Dynamic Range (A-weighted) |
115.5dB |
|
THD+N |
-100dB @ 8dB gain |
|
Maximum Input Level (at minimum gain) |
22dBu |
|
Gain Range |
69dB |
|
Input Impedance |
24kΩ |
|
Instrument Inputs |
|
|---|---|
|
Frequency Response |
20Hz - 20kHz ± 0.05dB |
|
Dynamic Range (A-weighted) |
113dB |
|
THD+N |
-80dB @ minimum gain |
|
Maximum Input Level (at minimum gain) |
12dBu |
|
Gain Range |
62dB |
|
Input Impedance |
1MΩ |
|
Line Outputs (balanced) |
|
|---|---|
|
Frequency Response |
20Hz - 20kHz ± 0.02dB |
|
Dynamic Range (A-weighted) |
122dB |
|
THD+N |
-112dB |
|
Maximum Output Level |
16dBu |
|
Output impedance |
200Ω |
|
Headphone Outputs |
|
|---|---|
|
Frequency Response |
20Hz - 20kHz ± 0.1dB @ 33Ω / 300Ω |
|
Dynamic Range (A-weighted) |
112dB @ 33Ω 116dB @ 300Ω |
|
THD+N |
-100dB @ 33Ω (Minimum) -110dB @ 300Ω (Minimum) |
|
Maximum Output Level |
5dBu into 33Ω 11dBu into 300Ω |
|
Maximum Output Power |
57mW into 33Ω 27mW into 300Ω |
|
Output impedance |
11Ω |
|
Analogue Inputs |
|
|---|---|
|
Connectors |
Eight back panel Neutrik® Combo XLR/6.35mm (1/4") TRS jack inputs Two front panel 6.35mm (1/4") jack inputs |
|
Mic/Line switching |
Automatic |
|
Phantom Power (48v) |
Front panel 48V (phantom power) button or switch in software |
|
Line/Instrument switching |
Front panel Inst button or switch in software |
|
Auto Gain |
Front panel Auto button or switch in software |
|
Clip Safe |
Front panel Safe button. |
|
AIR function |
Front panel Air button or switch in software |
|
Analogue Outputs |
|
|---|---|
|
Balanced Outputs |
Ten 6.35mm (1/4") balanced jack outputs:
|
|
Headphone Outputs |
Two front panel stereo 6.35mm (1.4") TRS jack sockets |
|
Main Output Level Control |
Digitally controlled encoder |
|
Headphones Level Control |
Front panel analogue control |
|
Other I/O |
|
|---|---|
|
USB |
USB-C connector. |
|
ADAT |
Eight channels at 44.1/49kHz Eight channels at 88.2/96kHz Disabled at 176.4/192kHz |
|
S/PDIF |
Two channels of coaxial S/PDIF. Up to 96kHz. |
|
Word Clock |
One BNC connector Output |
|
Front Panel Indicators |
|
|---|---|
|
Channel Selection |
White/Green LEDs for channels 1 and 2 |
|
Select button |
White/Green Select LED |
|
48V |
White/Green 48V LED (depending on the selected channel) |
|
Inst |
White/Green Inst LED (depending on the selected channel) |
|
Auto |
White Auto LED to initiate Auto Gain |
|
Clip Safe |
White/Green Safe LED (depending on the selected channel) |
|
Air Mode |
White, green, amber Air LED (depending on the selected channel and selected Air mode) |
|
Output Level Meter |
Three-colour LED ring around Output control. |
|
USB |
USB |
|
Weight and Dimensions |
|
|---|---|
|
Weight |
3.3kg (7.29lbs) |
|
Height |
47 mm (1.83") |
|
Width |
442 mm (17.4") |
|
Depth |
260 mm (10.23") |
|
Environmental |
|
|---|---|
|
Operating Temperature |
40°C / 104°F Maximum ambient operating temperature |
|
DAW Input |
Input |
|---|---|
|
1 |
Mic/Line/Inst 1 |
|
2 |
Mic/Line/Inst 2 |
|
3 |
Mic/Line 3 |
|
4 |
Mic/Line 4 |
|
5 |
Mic/Line 5 |
|
6 |
Mic/Line 6 |
|
7 |
Mic/Line 7 |
|
8 |
Mic/Line 8 |
|
9 |
Loopback 1 |
|
10 |
Loopback 2 |
|
11 |
S/PDIF L Coaxial or optical, depending on the S/PDIF mode. |
|
12 |
S/PDIF R Coaxial or optical, depending on the S/PDIF mode. |
|
13 |
ADAT 1 |
|
14 |
ADAT 2 |
|
15 |
ADAT 3 |
|
16 |
ADAT 4 |
|
17 |
ADAT 5 |
|
18 |
ADAT 6 |
|
19 |
ADAT 7 |
|
20 |
ADAT 8 |
|
DAW Input |
Hardware Input |
|
|---|---|---|
|
ADAT mode: Single |
ADAT mode: Dual |
|
|
1 |
Mic/Line/Inst 1 |
Mic/Line/Inst 1 |
|
2 |
Mic/Line/Inst 2 |
Mic/Line/Inst 2 |
|
3 |
Mic/Line 3 |
Mic/Line 3 |
|
4 |
Mic/Line 4 |
Mic/Line 4 |
|
5 |
Mic/Line 5 |
Mic/Line 5 |
|
6 |
Mic/Line 6 |
Mic/Line 6 |
|
7 |
Mic/Line 7 |
Mic/Line 7 |
|
8 |
Mic/Line 8 |
Mic/Line 8 |
|
9 |
Loopback 1 |
Loopback 1 |
|
10 |
Loopback 2 |
Loopback 2 |
|
11 |
S/PDIF L Coaxial or optical, depending on the S/PDIF mode. |
ADAT 1.1 |
|
12 |
S/PDIF R Coaxial or optical, depending on the S/PDIF mode. |
ADAT 1.2 |
|
13 |
ADAT 1 |
ADAT 1.3 |
|
14 |
ADAT 2 |
ADAT 1.4 |
|
15 |
ADAT 3 |
ADAT 2.1 |
|
16 |
ADAT 4 |
ADAT 2.2 |
|
17 |
ADAT 2.3 |
|
|
18 |
ADAT 2.4 |
|