What is the fine-grained topic of the following text: Sony HT-S700RF Soundbar System comes with 5.1 Channel configuration consisting a sub woofer of 240 W RMS output, 2 Tallboy speakers each having 152W RMS Output and a 3 Channel Soundbar with 456Watt of sound output. Only return the topic.
Sony HT-S700RF Soundbar System specifications