Sound Modes: 3D Surround Sound Mode; Standard Mode Category: Speakers Use: KTV System Input/Output: TF This speaker is designed for KTV systems and offers two sound modes to suit different karaoke and listening needs. The 3D Surround mode delivers an immersive, roomfilling sound, while the Standard mode provides clear, balanced audio for practice, speech, or casual listening. The TF card slot enables direct playback of tracks from a memory card, reducing setup steps and external device requirements. Key benefits Flexible listening options with two sound modes: immersive projection for performances, clear balance for everyday use. Direct TF card playback for easy music and karaoke track access without additional gear. Optimized for KTV systems, simplifying integration into karaoke setups. Attributes and practical details Function: supports selectable sound modes and TF card playback for convenient track access. Compatibility: designed for use within KTV and karaoke system configurations. Size and material: not specified in the listing. Performance: enables immersive audio via 3D Surround mode and reliable, clear sound via Standard mode. Use scenarios Home karaoke with family or friends: switch to the 3D Surround mode for a more engaging performance experience. Small party or gathering: use Standard mode to deliver clear music and dialogue without overpowering vocals. Karaoke room or KTV venue: load playlists directly on a TF card and play back through the speaker for streamlined sessions.