PK-SP-100 High Sensitive Hi-Fi Passive Sound Pickup Description

Highly sensitive passive sound pickup for network cameras

PK-SP-100 is a high sensitivity,high fidelity,disc type,pinhole passive, noise reduction sound pickup, it is our company's latest researched and developed sound pickup products.We adopts advanced speech integrated circuit for the internal structure,and also use noise reduction design.It has characteristics of high sensitivity,clear and natural sound,high fidelity and far distance transmission.The maximum listening range can reach 50 square meters.It adopts unique noise reduction design,can effectively filter out ambient noise.The sound is also processed by pitch,keeps the rich treble,makes the playback more realistic.The product is in the domestic leading level, and has applied for national patents.It is widely used in banking, prisons, public security, justice, inspection and other state department for the IP network recording system.
1:The detailed product description:

¡Ñ passive series sound pickup is designed for indoor network synchronization monitoring recording, it is assembed by the original imported components.

¡ÑIt adopts solid, durable and beautiful aluminum alloy shell.It has bullet-type concealed design.It is suitable concealed installation,such as the prison.

¡Ñ It has excellent moistureproof,dustproof performance.It can work normally in humid or wet environment. It is in line with IP 65 standards.

¡Ñ The large diaphragm silver-plated microphone is imported from Japan.The listening range is:10 to 50 square meters.It has the characteristics of high-fidelity, high sensitivity, high bandwidth and low noise.

¡Ñ It has the characteristics of high fidelity, high sensitivity, high bandwidth and low noise.It has the built-in highly efficient exciter.It is the perfect combination of fashion and technology.

¡Ñ The passive sound pickup has built-in lightning protection and polarity reversal protection module,it also has shield ground processing function.

¡ÑIt is used for synchronization monitoring recording at wide range of environment:safe city law enforcement, squares, streets, government or other outdoor place.

¡Ñ It adopts long distance audio signal transmission technology, it used RVVP3 ¡Á 0.5 mm2 shielded cable transmission,can reach 30 meters without distortion.

¡ÑIt can works at -10 ¡æ ~ 70 ¡æ environmental, can ensure high-quality back-end recording effect.

2:The performance parameters:

Item

Specification

Item

Specification

Listening range

10~50sqaure meters(depend on the camera)

Sensitivity

-46DB 1000 HZ

Frequency Range

20~20k HZ

Output impedance

2000ohm

Signal to noise ratio

45dB

Processing circuit

Filter circuit, noise reduction circuit

MICMicrophone head

Import large diaphragm anti - interference omni - directional microphone

Power supply characteristics

Passive

voltage range

2.5~8V DC

Operating temperature

-10¡ã ¡« +70¡ã

Shell color

Silver high strength aluminum alloy plating

Dimensions

Diameter 15mm * 50mm round

conenction

Shield (signal ground), white inner core (signal positive)

3:Installation:

A:Refer to the above description for the sound pickup connection.

B:We recommend to use the manner of closing to the network equipment during the installation,It can ensure adequate signal transmission.

C:The location of the sound pickup should be close to the sound source.And it is better to install sound pickup at top center of the room than the corner.

D:In order to avoid burning the product,you must ensure that the signal cable corresponds to the camera interface before turning on the camera audio function.