Behringer DI4000 Four Channel Active Direct Injection Box
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Condition: New
Description
Behringer DI4000 Four Channel Active Direct Injection Box
Behringer DI4000 is a four channel active direct injection box designed for signal conversion and impedance matching in stage and studio audio systems. It enables instruments and line level audio sources to connect directly to mixing consoles and amplification systems, supporting live sound and recording workflows. This makes it ideal for stage setups, studio environments, and installed audio systems where reliable signal routing and noise reduction are critical.
The unit operates using active circuitry and internal transformers to convert unbalanced signals into balanced outputs. Integrated switches for gain, attenuation, filtering, and phase control allow users to adjust signal characteristics and manage system behavior during operation.
This architecture allows audio engineers and musicians to route multiple instrument or line signals to professional audio systems with consistent signal quality. It supports multi-channel signal conversion, monitoring, and system integration in both live and studio environments.
Key Features
- Four Channel Operation: Professional four channel direct injection box for stage and studio applications.
- Signal Matching: Provides impedance and signal matching for direct connection of instruments to mixers and amplifiers.
- Transformer Design: Utilizes Behringer OT-1 transformers for ultra-flat frequency response.
- High Power Input Support: Allows direct connection to speaker outputs up to 3000 Watts.
- Gain Control: +20 dB gain switch enables pre-amplification of low-level signals.
- Input Attenuation: Switchable attenuation allows handling of signals up to +40 dB.
- Phase Control: Phase reverse switch allows correction of phase issues.
- High Cut Filter: Switchable 8 kHz filter supports guitar and instrument applications.
- Ground Isolation: Ground lift switch helps eliminate ground loop interference.
- Level Monitoring: Integrated 8-segment LED meter enables signal level monitoring.
Technical Specifications
Audio InputsConnectors: XLR and 1/4 in TS
Type: DC-decoupled, unbalanced input
Impedance: 220 kOhm (pad out)
Max input level: +20/+40/+60 dBu @ 1 kHz
Audio Outputs
Connectors: XLR
Type: Transformer-balanced output stage
Impedance: 600 Ohm
Max output level: +20 dBu
System Specifications
Bandwidth (100 kOhm load): 23 Hz to 60 kHz ±3 dB
Bandwidth (600 Ohm load): 23 Hz to 40 kHz ±3 dB
Bandwidth (high cut): 23 Hz to 8 kHz -3 dB
Noise: -90 dBu, 22 Hz - 22 kHz
Distortion: <0.01% @ 1 kHz, +20 dBu
Crosstalk: -100 dBu @ 1 kHz
Power Supply
Switch mode autorange power supply: 100-240 V 50/60 Hz
Power consumption: 10 W
Mains connection: Standard IEC connector
Weight
4.62 lbs
Height
1.73"
Width
19.02"
Length
5.35"
