Depending on the type of speakers you've purchased, there are a couple of different answers.
Chances are, older MP3 players and smartphones will have a 3.5mm headphone connection. This can be used with a 3.5mm connection.
Some of our speakers can be connected using a 3.5mm to 3.5mm Aux cable such as Fi70.
Others such as the Ai41, Ai61, and Ai81 can use an RCA to 3.5mm cable to connect devices like smartphones or MP3 players.
If you have a set of our passive home theater speakers, you would need to connect the music source to the available connection on your amplifier or home theater receiver.
Chances are, older MP3 players and smartphones will have a 3.5mm headphone connection. This can be used with a 3.5mm connection.
Some of our speakers can be connected using a 3.5mm to 3.5mm Aux cable such as Fi70.
Others such as the Ai41, Ai61, and Ai81 can use an RCA to 3.5mm cable to connect devices like smartphones or MP3 players.
If you have a set of our passive home theater speakers, you would need to connect the music source to the available connection on your amplifier or home theater receiver.