Product Description
We are a professional electro-acoustic manufacturer with more than 40 years history. Main products include microphone,receiver,speaker,alarm,buzzer.Most products are exported to European and America.
Part number: SD-1A
1. SENSITIVITY: 95±3dB  @1KHz (0dB =20μPa)
2. IMPEDANCE: 150±20% Ω (@ 1KHz)
3. DC RESISTANCE: 130±10% Ω
4.RATED POWER: 30mW.(White noise)  
5.MAX PEAK VALUE POWER: 50mW
6. DISTORTION: <5% THD@105dB SPL at 300Hz~3400Hz

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Packing details

75pcs/carton

Carton size: 47.5*30*25cm

We use standard export cartons

Payment term   

1. L/C at sight

2. T/T: 50% deposit by T/T,50% balance by T/T before shipment

Trade term    EXW or FOB SHANGHAI or FOB SHENZHEN

Delivery time    20-30days

Gaoyou Huasheng Electronic Co., Ltd is a factory with long history,specializing in various kinds of electroacoustic device production.Main products are  transmitter,receiver,alarm,speaker and buzzer,total 5 series.Company has stamping parts processing,plastic parts processing,metal surface treatment,metal heat treatment,mould making,products assembly and so on,more than 20 production line.Annual output is about 6 million,sales about 5 million dollars,Most of our products sale to European,Japan,Korea and other countries.Company plant area is 8000 square meters,existing staff ahout 200 people,research personnel 10 people and quality assurance 22 people.Obtain I S O 9 0 0 1,I S O 1 4 0 0 0,OHSAS18001,U L,C E,Rohs certificate,all products comply with international standards.We have a strong technical development capability,develop particular product according to customer requirement.We are one of the most complete variety and good quality of companies in our domestic industry.We provide products to military of Russia,USA,Pakistan in decades and get good reputation.We pay many attention to the quality control of products,quality standard control within the range of 50PPM.All employees need pre-job strict process and quality control training.We are one of the excellent electroacoustic products manufacturers.We warmly welcome friends from all over the world to our company to negotiate, guidance and cooperation,we will make you satisfied with high quality products , reasonable price and excellent service.

Q: What is your MOQ of this item?
A: 5000pcs.

Q: Where is your loading port?
A: Shanghai port or other port in China.

Q: What is your payment term?
A: TT in advance or LC at sight.

Q: What is the lead time?
A: Normally 20-30days.

Q: What is your company’s available production capacity?
A: 10000pcs/day

Q: Could you provide sample?
A: Of course,we are glad to provide free sample to you.