Luxurious wall-hanging sound apparatus 93-B（double speakers）	Power4-5W，with excellent sound quality，6.5 inch bass　and tweeter，match with enlarger,separately controllable　 function features:suitable　 for public and 　school use。	Top-absorption sound arraratus93-C	top-absorption，singleton speaker，Power3-5W，pretty shape　easy and reliable to use　match 　with enlarger　having a plastics face.
Top-absorption sound apparatus 93-D	Top-absorption　 sound apparatus,pretty shape，easy and reliable to use ， Power3-5W，match　 with enlarger ，　iron-net face.	Wall-hanging sound arraratus93-E	Wall-hanging 　sound apparatus，with single control function with single control function，suitable for public and school use.
5Wspeaker	having plastics shell，totally enclosed，　　equipped on police car and ambulance,match　 with enlarger, resistance of 4Ω and 8Ω available.	Broadcast sound arraratus93-E	Wall-hanging sound apparatus,Power 5W,souble speaker, iron-net face.
FYD-B Interphone	Clear voice,sound sensitive, no whistler noise, suitable for use at band,stations, hospital and ticket-selling. Voltage:220AV	FYD-A型 Interphone
FYD-C型 Interphone		壁挂音箱93－F－1
吸顶音箱93－G