This document is the user manual of MS40DR speaker, which introduces the features, usage and precautions of the product.
This manual explains important safety precautions for the MS40DR monitor speaker system, including proper power‑line handling, moisture warnings, and the need to use qualified Yamaha service personnel for repairs. It also details how to install the surround and sub‑woofer speakers, connect cables, and adjust volume and bass controls.
The document includes the product’s technical specifications, a list of supplied accessories, and a troubleshooting section that helps resolve common issues such as no sound output, low volume, or connection problems. This manual is written in Chinese.
| Output Power (Surround speakers) | 20 W + 20 W |
|---|---|
| Output Power (Subwoofer) | 40 W |
| Frequency Response | 32 Hz – 20 kHz |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (Surround speaker) | 97 × 159 × 178 mm |
| Dimensions (Subwoofer) | 350 × 210 × 321 mm |
| Weight (Surround speakers) | 0.7 kg each (2 pcs) |
| Weight (Subwoofer) | 7.4 kg |
Insert the AC power cord firmly into a wall outlet and set the main power switch to ON.