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Kirlin Audio Owner's Manual
Passive Direct Inject Box

Congratulations for purchasing the DI-101B 1-Channel Passive

Direct Inject Box. This unique unit is the ultimate, multi-functional passive DI box.

●  Simultaneous dual inputs and outputs for stereo or multi-source use.

●  Eliminates impedance mismatch problems and converts any sound source at almost any level(from guitar to speaker) into a clean, powerful hum-free, noise-free and interference-free balanced signal perfect for even extremely long cable runs.

●  Full-featured controls and connections include Ground Lift, unbalanced 1/4’’ TS Input and Parallel Link Output jacks(THRU); and servo-balanced XLR Output jack.

●  Parallel link outputs provide great flexibility allowing the PA signal to go through while maintaining an Output for reference monitoring.

●  No compromise circuit design and stringent component selection provide an absolutely full frequency response across the entire audio spectrum, and negligible distortion for the most natural audio signal possible.

●  Portable aircraft aluminum extruded case for ultimate roadworthiness, long life and reliability.

Frequency Response20Hz-20kHz
Linear PerformanceCCAM±0.12dB 20Hz-20kHz
Input Impedance50KΩ
Output Impedance±600Ω
Max Output


Total Harmonic Distortion0.01%from20Hz-20kHz
Residual NoiseCS- 108dB
Noise Level-101dBu
Input1 unbalanced input (MONO)
Output1 balanced output (XLR)
Output1 unbalanced output (MONO)