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General| Frequency Response | 20Hz-20kHz (±0.1dB) |
|---|---|
| Inputs | USB |
| Outputs | RCA, 6.35mm Headphone |
| Signal-to-Noise Ratio | 118dB |
| Supported Formats | PCM |
Essential safety precautions and operating instructions for product use and handling, including power, environment, and maintenance.
Situations requiring disconnection of power and contact with customer service for product issues or damage.
Detailed technical performance specifications including distortion, channel separation, noise ratio, and power output.
Physical attributes of the EF499, including its weight and overall dimensions as shown in the accompanying graphic.
Details the accessories provided in the product packaging, such as the power cable.
Overview of the EF499's front panel, detailing function switches, gain indicators, and volume control.
Identifies the headphone output connectors on the front panel, including balanced and single-ended options.
Details the audio output (XLR, RCA) and input (Type-C, USB-B) connections on the rear panel.
Identifies rear panel controls like the power switch and voltage selector, plus connectivity ports like network and coaxial.
Details the components found on the bottom panel, including the voltage selector and important safety warnings.
Instructions for correctly setting the voltage selector on the bottom panel to match local power requirements.
Instructions for connecting the EF499 to a personal computer via USB for audio playback.
Steps for establishing a connection between the EF499 and a mobile phone using a USB cable.
Information regarding the product's one-year limited warranty, including details on how to extend it.
Details the conditions and actions that will void the warranty or are not covered by the limited warranty terms.
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