
Specifications
Power output: L/R: 25W + 25W
Signal to noise ratio dB(A): L/R: ≥85dB (A)
Input sensitivity: LINE IN: R/L: 650±50mV
Coaxial: R/L: 500±50mV
OPT: R/L: 500±50mFFS
Bluetooth: R/L: 700±50mFFS
Frequency response: 40HZ-20KHZ
Bass unit: 4 inch (116mm)
Tweeter unit: Φ13mm silk dome tweeter
No sound
Check if the power indicator light is ON.
Cannot connect via Bluetooth
Make sure the speaker is switched to Bluetooth input, in other audio input mode
Bluetooth can not be paired or connected. Disconnect from any Bluetooth device by
press and hold the volume dial in Bluetooth mode, then try again.
Effective Bluetooth transmission range is 10 meters, please make sure operation is
within the range.
Try another Bluetooth device for connection.
Try to turn up the volume using either the master volume control or remote control.
Ensure the audio cables are firmly connected and the input is set correctly on the
speakers.
Check if there is signal output from the audio source.
Troubleshooting
The SR04 Bookshelf Speaker does not turn on
Check if mains power is connected. or if the wall outlet is switched on.