BOSCH LM1-VC12P วอลลุ่มปรับเสียง Volume Control 12W (Portrait)

BOSCH LM1-VC12Pวอลลุ่มปรับเสียง Volume Control 12W (Portrait) 12 W and 36 W version Available in Portrait – and Landscape design Suitable for 3-wire and 4-wire override systems Built-in 24 VDC override relay Robust design LM1-VC12P (portrait version)LM1-VC12L (landscape version) 12 W Volume control