The manual provides safety instructions, connection diagrams, and technical specifications for the Behringer ULTRA‑DI DI20 active 2‑channel DI‑Box/Splitter.
The ULTRA‑DI DI20 is a professional active 2‑channel DI‑Box and splitter designed to convert high‑impedance, unbalanced signals from instruments such as guitars and keyboards into balanced outputs for mixing consoles. It features high input impedance, low output impedance, and optional battery or phantom power operation.
The user manual covers safety warnings, detailed connection methods for both unbalanced (¼" TS) and balanced (XLR, TRS) cables, the function of control elements like attenuation and ground‑lift, battery specifications, and a full set of technical parameters. It also lists other language versions and warranty information. This manual is written in Chinese.
| Frequency response | 10 Hz ~ 70 kHz (-3 dB) |
|---|---|
| Noise level | 100 dBu |
| Distortion | < 0.014 % (1 kHz, 0 dBu in) |
| Maximum input level | +12 / +32 / +52 dBu |
| Phantom power range | 18 V DC ~ 48 V DC |
| Battery power | 9 V 6LR61 |
| Dimensions | 6 × 5 × 2 3/8" / 150 × 130 × 60 mm |
It uses a 9 V battery, model 6LR61.
Set the battery operation mode to OFF when the DI20 is connected to phantom power.
In LIFT mode it disconnects the ground between the input and output to eliminate ground‑loop hum.