Click image to view full size image
KNTECH speaker amplifier loudspeaker A4 rugged telephopne paging system telephone speaker / Amplifier Speaker
Specification:
As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities...
A good ideal telephone for use in wet or corrosive atmospheres
DTMF(Dual Tone Multi Frequency)
Standard and SMART Analogue and VoIP-SIP options available
Matching with most PABX, PBX and PAX systems
Make your own 4W IP speaker or intercom station. Being highly customizable this intercom module can cover your need for VoIP anywhere.
The top complaint about voice audio in the security industry is how poor audio quality affects everything, from providing a more secure environment, to critical mistakes and inefficiencies due to inadequate communications. However, our SIP speaker A4 offers HD audio quality for indoor and outdoor environments, and it can, for example, be used as a communication solution for Taxi or bus stands or station, highway call box, railway, metro, ATM machines side, tunnel, port, dock, mines, generation facilities...Plus, to improve audio quality, it features active noise cancellation and a 4W Class D amplifier.
Autodial telephone, handset emergency telephone, handfree emergency telephone, handset free emergency telephone, Auto dial emergency phone, Metal emergncy telephone,sos telephone,help telephone, GSM telephone,help point,help phone, outdoor emergency telephone, Gaitronics, emergency call point, metal help telephone, camera phonepublic telephone, loud speaking phone, bank service telephone, elevator phone, window intercome, LCD telephone, hotline phone,talk a phone, cleanroom telephone, viking,weatherproof phone, SIP phone,voip phone, call point outdoor weatherproof phone, solar energy help phone, tunnel telephone, 2G, 3G telephone, trackside telephone, Vandal Resistant Telephone
Specification:
As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities...
A good ideal telephone for use in wet or corrosive atmospheres
DTMF(Dual Tone Multi Frequency)
Standard and SMART Analogue and VoIP-SIP options available
Matching with most PABX, PBX and PAX systems
Make your own 4W IP speaker or intercom station. Being highly customizable this intercom module can cover your need for VoIP anywhere.
The top complaint about voice audio in the security industry is how poor audio quality affects everything, from providing a more secure environment, to critical mistakes and inefficiencies due to inadequate communications. However, our SIP speaker A4 offers HD audio quality for indoor and outdoor environments, and it can, for example, be used as a communication solution for Taxi or bus stands or station, highway call box, railway, metro, ATM machines side, tunnel, port, dock, mines, generation facilities...Plus, to improve audio quality, it features active noise cancellation and a 4W Class D amplifier.
| Protocol | SIP RFC 3261 Compatible |
| Ethernet I/F | 10/100 Mbps |
| Power Input | DC12V or PoE |
| Operating Temperature | -10 degrees C to 50 degrees C (14 degrees F to 122 degrees F) |
| Output Level: | Up to 10 watts |
| Dimension | 114*114*77 (H x W x D)mm |
| Warranty | 1 Year Limited |
| Model | A4 |
Autodial telephone, handset emergency telephone, handfree emergency telephone, handset free emergency telephone, Auto dial emergency phone, Metal emergncy telephone,sos telephone,help telephone, GSM telephone,help point,help phone, outdoor emergency telephone, Gaitronics, emergency call point, metal help telephone, camera phonepublic telephone, loud speaking phone, bank service telephone, elevator phone, window intercome, LCD telephone, hotline phone,talk a phone, cleanroom telephone, viking,weatherproof phone, SIP phone,voip phone, call point outdoor weatherproof phone, solar energy help phone, tunnel telephone, 2G, 3G telephone, trackside telephone, Vandal Resistant Telephone