This document provides instructions for the BOSS BX-400, a 4-channel audio mixer. It details the functions of the front panel controls, including input jacks, output jacks, level selector switches, volume controls, and indicators. The guide explains how to connect various audio sources such as microphones, guitars, keyboards, and tape recorders to the appropriate channels.
| Input Level/Impedance (MIC) | -50dB/1.8kΩ |
|---|---|
| Input Level/Impedance (INST) | -35dB/15kΩ |
| Input Level/Impedance (LINE) | -20dB/68kΩ |
| Output Level (Rated) | +4dBm |
| Output Level (Max) | +21dBm (9Vrms) |
| Output Load Impedance | 10kΩ or more |
| Input Equivalent Noise | -115dB |
| Frequency Characteristic (MIC) | 20Hz to 42kHz |
| Crosstalk | 80dB or more |
| AC Power | 117V, 220V, 240V AC 50/60Hz |
| Dimensions | 190(W) x 55(H) x 135(D)mm |
| Weight | 800g |
The three positions are MIC (-50dB), INST (-35dB), and LINE (-20dB), depending on the output level of the connected device.
The Peak Indicator goes on when the mixed signal reaches its maximum level, indicating that the sound may be distorted.
No, you should avoid using the BX-400 in extreme heat or humidity or where it may be affected by dust.