DESC: TCi Series In-Wall/In-Ceiling Loudspeakers are the performance alternative for custom installed sound systems. They give you superior sound and superior value. Mix and match TCi In-Wall/In-Ceiling Loudspeakers with Polk Audio RTi Series loudspeakers to create a voice-matched home theater system boasting realistic surround sound without the space requirements of traditional speaker systems (RTi front stage, TCi rear surrounds for example).