A method for a networked playback system comprising a plurality of playback devices (102-106; 200; 702, 704; 802-812) configured to wirelessly communicate with and to be controlled by at least one controller device (142; 240; 260; 270; 706; 814), the method comprising: receiving, at a first playback device from a source device, multi-channel audio data comprising at least first and second audio channels; detecting, at the controller device, a selection by a user of an option displayed on a graphic interface of the controller device to form a multi-channel pair in which one or more playback devices are designated to play one or more audio channels; prompting, via the graphic interface of the controller device, the user to press a button on a first playback device to be configured to play the first channel; responsively detecting, by the first playback device, a first manual command input by a user to a first control interface that exists as a part of the first playback device for forming the multi-channel pair with a second playback device, wherein the first control interface comprises a button; prompting, via the graphic interface of the controller device, the user to press a button on a second playback device to be configured to play the second channel; and responsively detecting, by the second playback device, a second manual command input by a user to a second control interface that exists as a part of the second playback device to form the multi-channel pair with the first playback device, wherein the second control interface comprises a button; and after forming the multi-channel pair: sending, from the first playback device to the second playback device, at least the second audio channel; and playing, by the first playback device, the first audio channel. receiving, at a first playback device from a source device, multi-channel audio data comprising at least first and second audio channels; detecting, at the controller device, a selection by a user of an option displayed on a graphic interface of the controller device to form a multi-channel pair in which one or more playback devices are designated to play one or more audio channels; prompting, via the graphic interface of the controller device, the user to press a button on a first playback device to be configured to play the first channel; responsively detecting, by the first playback device, a first manual command input by a user to a first control interface that exists as a part of the first playback device for forming the multi-channel pair with a second playback device, wherein the first control interface comprises a button; prompting, via the graphic interface of the controller device, the user to press a button on a second playback device to be configured to play the second channel; and responsively detecting, by the second playback device, a second manual command input by a user to a second control interface that exists as a part of the second playback device to form the multi-channel pair with the first playback device, wherein the second control interface comprises a button; and after forming the multi-channel pair: sending, from the first playback device to the second playback device, at least the second audio channel; and playing, by the first playback device, the first audio channel. sending, from the first playback device to the second playback device, at least the second audio channel; and playing, by the first playback device, the first audio channel.