Do you have a question about the dB Technologies Opera Live 402 and is the answer not in the manual?
Key safety cautions and warnings, including electrical shock and environmental risks.
Comprehensive instructions for safe operation, covering water, cleaning, ventilation, and heat.
Guidelines for using carts, stands, non-use periods, and preventing object/liquid entry.
Conditions requiring service and instructions for qualified personnel.
Crucial safety advice for making electrical connections and ensuring proper setup.
Detailed explanation of the amplifier's rear panel controls and indicators, including volume and equalization.
Identification and function of the blue indicator light on the speaker's front panel.
Various methods for positioning and mounting the speaker, including stands, stacking, floor use, and wall installation.
Explicit warning against using the handles for hanging the speaker due to safety risks.
Guidance on using 1/4" jack connectors for both balanced and unbalanced audio signals.
Guidance on using XLR connectors for both balanced and unbalanced audio signals, including pin assignments.
Internal block diagram illustrating the signal flow and components for the OPERA LIVE 200 series.
Internal block diagram illustrating the signal flow and components for the OPERA LIVE 400 series.
Key safety cautions and warnings, including electrical shock and environmental risks.
Comprehensive instructions for safe operation, covering water, cleaning, ventilation, and heat.
Guidelines for using carts, stands, non-use periods, and preventing object/liquid entry.
Conditions requiring service and instructions for qualified personnel.
Crucial safety advice for making electrical connections and ensuring proper setup.
Detailed explanation of the amplifier's rear panel controls and indicators, including volume and equalization.
Identification and function of the blue indicator light on the speaker's front panel.
Various methods for positioning and mounting the speaker, including stands, stacking, floor use, and wall installation.
Explicit warning against using the handles for hanging the speaker due to safety risks.
Guidance on using 1/4" jack connectors for both balanced and unbalanced audio signals.
Guidance on using XLR connectors for both balanced and unbalanced audio signals, including pin assignments.
Internal block diagram illustrating the signal flow and components for the OPERA LIVE 200 series.
Internal block diagram illustrating the signal flow and components for the OPERA LIVE 400 series.
| Amplifier Technology | Class D |
|---|---|
| Cooling | Convection |
| Speaker Type | 2-way |
| Woofer Size | 12 inch |
| LF | 12 inch |
| Woofer | 12 inch |
| Input Connectors | XLR, Jack |
| Output Connectors | XLR |
| Signal Input | Balanced |
| Signal Output | Balanced |
| Controller | DSP |
| Housing | PP |
| Enclosure Material | PP |












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