This manual introduces the functions and characteristics of the Onkyo AV receiver TX-SR404
This manual begins with safety warnings and installation guidelines, reminding users to keep the unit away from moisture, avoid opening the chassis, and verify the correct power voltage before first use. It also lists the accessories that should be present in the package.
The later sections describe the front‑panel controls, rear‑panel connections, audio performance specifications, and how to use the various listening modes and memory backup functions. Detailed diagrams and button descriptions help users operate the receiver and connect source devices. This manual is written in Chinese.
| Power Output per Channel (20 Hz‑20 kHz, 0.7% FTC) | 65 W |
|---|---|
| Power Output per Channel (1 kHz, DIN) | 90 W |
| Power Output per Channel (JEITA) | 110 W |
| Required AC Input Voltage | AC220‑230 V, 50/60 Hz or AC120 V, 60 Hz |
| Supported Audio Formats | Dolby Digital, Pro Logic II, DTS, DTS Neo:6 |
Do not expose the receiver to rain or moisture, never open the unit, keep the ventilation clear, use only the supplied power cord, and read all warnings in the manual before powering on.
Select the voltage that matches your region: AC220‑230 V, 50/60 Hz or AC120 V, 60 Hz as indicated on the rear panel.