Why can't I hear any sound from my speakers?

There are several reasons you may not hear sound from your speakers:

The speaker is set to the incorrect audio source.
The input volume is too low.
The turntable in use requires a preamp.
The power source for the speaker is not working or is providing too much, or not enough power.
The speaker is in standby mode.
There may be a poor connection between the speakers and amplifier, or the passive and active speaker.

To resolve this and get back to enjoying your speakers, try the following steps:

Confirm the volume is turned up on the source and speakers.
Ai41/Ai61/Ai81/Ri71/Ri91 - flip the power switch on the back of the speaker off and then on.
Test another audio source.
Check that the speaker wire is connected to the binding posts, the binding post should not be tightened on the rubber jacket of the wire.
Make sure the speaker wires, or banana plugs (if in use) are not touching each other, this can cause a short.
Confirm the power cord is plugged into the wall and the back of the active speaker. Remove it and reconnect it.
Try a different outlet, preferably directly into a wall outlet.
Ai40/60 - Confirm the correct power adapter is in use by checking the voltage rating.
- Ai40: 19V 3.15A
- AI60 - 24V 3.0A
Press the LED brightness button on the remote, it may be turned off.
Press and hold the Volume Knob until the speaker enters standby (Red LED).
Press and hold the Bluetooth reset button on the back of the speaker until the red LED flashes. This will reset all settings.