宁波正盛音响科技有限公司 / Ningbo Zhengsheng Audio Technology Co., Ltd. (ZHENGSHENG / huni)
智能沙发体感改造通常包括：选点（坐垫/靠背）、选功率、扩振板扩大传导面积、多通道功放分区驱动，并与影音信号同步。正盛提供从振子到驱动器的配套。
Sofa haptic upgrades usually cover mount points, power rating, expansion panels, multi-channel amps and AV sync. Zhengsheng supplies matched vibrators and drivers.
主振点多在坐垫中后部与腰靠；肩背可加较弱振子做分区。金属骨架或高密度海绵处传导更好。狭窄空间可用小功率型号 + 扩振板，把点振扩成面振，减少「单点敲击感」。
从影音主机/功放取低频或独立体感轨，经多通道驱动器分配到各振子。蓝牙/AUX/光纤视方案而定。ZSTD-004/008/010 可同时驱动音频通道与多路振动通道，便于整机厂集成。
功率盲目堆高易发热与异响；忽略阻抗匹配会导致功放过载；只装一个点会感觉「局部敲打」。建议先做样机听感/体感联调，再量产开模固定支架。
Primary points: rear seat cushion and lumbar. Shoulders can use lower-power units for zones. Rigid frames and dense foam transmit better. Tight spaces: low-power unit + expansion panel for wider, softer feel.
Feed LFE or a dedicated haptic stem into a multi-channel driver. ZSTD-004/008/010 can drive audio plus multiple vibration channels for OEM integration.
Oversizing power causes heat and noise; impedance mismatch overloads amps; a single mount feels like a punch. Prototype first, then lock brackets for mass production.