What to do if my Bose ControlSpace ESP-4120 Computer Hardware has power but no sound?
If there's power but no sound from your Bose Computer Hardware, first, verify there is an input signal from the source using ControlSpace Designer software; the audio input metering should be in the green/yellow band. Then, verify that there is an output signal; the audio output signal metering should be in the green/yellow band.
How to fix distorted sound on Bose Computer Hardware?
If the sound from your Bose Computer Hardware is distorted, use ControlSpace Designer software to check that the audio input signal indicator blocks aren't solid or flashing red. If they are, reduce the input pre-gain until the input no longer clips (red). Also, verify the audio output signal indicator blocks aren't solid or flashing red. If they are but the input indicators are green, reduce the output gain or any intermediary gain in the signal path using the Designer software. If the input source signal is clean and the input and output indicators are green, check the loudspeakers to ensure they are not being overdriven or damaged.
How to troubleshoot an Ethernet LED that is off on Bose ControlSpace ESP-4120?
If the Ethernet LED is off on your Bose Computer Hardware, verify that the ESP LAN port is connected to a PC and that the Ethernet LAN connection on the PC is enabled (the Link LED on the PC will likely be off if it is not enabled). If connected to a hub or switch, check that device's Link LED. If using a rear-panel network card, unplug the ESP and try reseating the card.
How to troubleshoot no Power LED activity on Bose ControlSpace ESP-4120 Computer Hardware front panel?
To address the issue of no Power LED activity on the front panel of your Bose Computer Hardware, plug in the IEC power cord and check the mains power.
General| Type | Digital Signal Processor |
|---|---|
| Sample Rate | 48 kHz |
| Network Control | Yes |
| Connectivity | Ethernet, RS-232, USB |
| Ethernet Ports | 1 |
| RS-232 Ports | 1 |
| USB Ports | 1 |
| Dante | Optional |
| Software | ControlSpace Designer |
| Power Supply | 100-240V AC, 50/60Hz |
| Dimensions | 19 x 1.75 x 10.5 inches (483 x 44 x 267 mm) |
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