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Edifier S351DB Active Speaker User manual

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Edifier S351DB Active Speaker User manual

Edifier S351DB Active Speaker

Important safety instruction FOR Edifier S351DB Active Speaker

  1. Please read the instructions carefully. Keep it in safe place for future reference.
  2. Use only accessories approved by the manufacturer.
  3. Install the instrument properly by following the instructions in the device connection section.
  4. Using the product in a 0-35􀀁 environment is recommended. Shipping and storing the product in a 0-35􀀁􀀂environment
    is recommended.
  5. To reduce the risk of fire and electric shock, do not expose the product to rain or moisture.
  6. Do not use this product near water. Do not immerge the product into any liquid or have it exposed to dripping or splashing.
  7. Do not install or use this product near any heat source (e.g. radiator, heater, stove, or other devices that generate heat).
  8. Do not place any object filled with liquids, such as vases on the product; neither should any open fire, such as lighted candles be placed on the product.
  9. Do not block any ventilation openings. Do not insert any object into ventilation openings or slots. It may cause fire or electric shock.
  10. Keep sufficient clearance around the product to maintain good ventilation (minimum 5cm is recommended).
  11. Do not force a plug into the jack. Before connection, check for blockage in the jack and whether the plug matches the jack and is oriented to the right direction.
Power warning:
  1. Place the product near the power outlet for easy use.
  2. Before use, make sure that the operating voltage is the same as your local power supply. Correct operating voltage can be found on the product plate.
  3. For safety purpose, unplug the product during lightning storms or when unused for extended periods of time.
  4. Under normal conditions, the power supply may get hot. Please keep good ventilation in the area and exercise caution.
  5. Safety warning labels on the housing or bottom of the product or power adaptor.

Unpack the box

Edifier S351DB Active Speaker fig 1

Speaker Controls

Edifier S351DB Active Speaker fig 2

  1. Power switch
  2. Power cable connector
  3. PC input
  4. AUX input
  5. Optical input
  6. Coaxial input
  7. Connect to satellite speaker(R)
  8. Connect to satellite speaker(L)
  9. Connect to subwoofer
  10. Display screen
  11. Treble volume dial
  12. Bass volume dial
  13. Volume dial/Input selection
    Press it to navigate among audio inputs:
    Press and hold to enable and disable the standby function
  14. Power indicator

Remote control Illustration

Edifier S351DB Active Speaker fig 3

  1. On/Off
  2. Mute
  3. Remote control indicator
  4. Optical input
  5. Coaxial input
  6. Previous/next track
    (Bluetooth audio sources only)
  7. Volume up/down
  8. Play/pause
    (Bluetooth audio sources only)
  9. AUX input
  10. PC input
  11. Bluetooth input
  12. Press and hold to disconnect Bluetooth (connected status)

Remote Control Illustration

  1. As the illustration shows, press remote control battery cover downward with thumb and follow the arrow direction to remove cover, uses two AAA batteries (note the “+” and “-” pole).
  2. The battery life is normally about 6 months; please replace them when the remote control is not sensitive or the control distance is shortened.
  3. Never use old and new batteries together.


  1. Do not place the remote control in places that are hot and humid.
  2. Do not charge the batteries.
  3. Remove the batteries when unused for a long period of time to avoid battery leakage.
  4. The battery should not be exposed to excessive heat such as direct sun, fire or similar.
  5. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.


Edifier S351DB Active Speaker fig 4

Optical and Coaxial Input

Edifier S351DB Active Speaker fig 5

  1. Press the “OPT” or “COAX” button on the remote control, or press the “Volume control/Input selection” dial on the active satellite speaker to select optical or coaxial input mode; The display window shows “OPT” or “COAX”.
  2. Connect audio source (Blu-ray player, Set Top Box, etc.) to optical or coaxial input port on the rear panel of the active satellite speaker using fiber optic audio cable or coaxial cable (coaxial cable not included).
  3. Play from your devices and adjust the volume accordingly.

In optical and coaxial modes, only PCM signal with 44.1KHz/48KHz can be decoded.

AUX/PC Input

Edifier S351DB Active Speaker fig 6

  1. Press the “AUX” or “PC” button on the remote control, or press the “Volume control/Input selection” dial on the active satellite speaker to select AUX or PC input mode; The display window shows “AUX” or “PC”.
  2. Connect audio source (mobile phone, tablet, etc.) to AUX or PC input port (note color matching) on the active satellite speaker using 3.5mm-RCA audio cable.
  3. Play from your device and adjust the volume accordingly.

Bluetooth Input

Edifier S351DB Active Speaker fig 7


  •  The Bluetooth function of S351DB can only be searched and connected in Bluetooth input. The current Bluetooth connection will be disconnected once the speaker switches to other audio inputs. When switched back to Bluetooth input, the speaker will try to connect to the device connected last time.
  • Pin code for connection is “0000” if needed.
  • To disconnect Bluetooth, press and hold the “ ” button on the remote control.
  • To enjoy all Bluetooth functions of this product, please ensure your audio source device has A2DP and AVRCP profiles.
  • Bluetooth connectivity and compatibility may be different between different source devices, depending on the software versions of source devices.
  • The built-in Qualcomm® aptX™ decoder in the product helps to achieve better wireless transmission sound quality, therefore please use the device supporting Qualcomm® aptX™ as the audio source.


  • Power output: R/L (treble): 15W+15W
  • R/L (mid-range and bass): 25W+25W
  • SW: 70W
  • Frequency response range: R/L: 160Hz~20KHz
  • SW: 40Hz~160Hz
  • Audio inputs: Auxiliary/PC/Optical/Coaxial/Bluetooth
  • Note: Reference frequency used for electrical parameter during test: treble is 10KHz; mid-range and bass is 500Hz; subwoofer is 80Hz.

Declaration for EU
Frequency Band: 2.402GHz~2.480GHz
RF Power output: ≤10 dBm (EIRP)
There is no restriction of use.





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