Kutheni Izithethi Zeempondo Zangaphandle Zibalulekile
Iindawo zoshishino zineengxaki ezinkulu zesandi, ezibonakala ngeendawo ezivulekileyo ezinkulu kunye nengxolo ephezulu yemozulu. Njengoko izakhiwo ziphucula iziseko zazo ukuze zihlangabezane nemigangatho yokusebenza ka-2026, isithethi se-horn yangaphandle sihlala siyinxalenye ebalulekileyo yeIdilesi kawonke-wonke (i-PA)kunye neenkqubo ze-General Alarm (PAGA). Ngokungafaniyo nezixhobo zesandi zorhwebo eziqhelekileyo, izithethi zee-horn zemizi-mveliso zenzelwe ukungena kumanqanaba engxolo yangasemva adla ngokudlula i-85 dB(A) kumacandelo afana nokuvelisa, iikhemikhali zepetrochemicals, kunye nezothutho.
Uyilo olusisiseko lwezi transducers lubeka phambili ukuqina okugqithisileyo kunye nokusebenza kakuhle kwe-acoustic. Ngokuguqula amandla ombane abe ngamandla e-acoustic aqinileyo, ezi nkqubo ziqinisekisa ukuba izibhengezo ezibalulekileyo zokhuseleko lobomi kunye nosasazo lwemihla ngemihla lwenziwa ngokucacileyo kuzo zonke iindlela zoshishino ezinkulu.
Ukuphucula ukuva nokugubungela kwentetho
Inzuzo ephambili yesandi se-horn ikuyilo lwaso oluhambelana ne-impedance. Ngokusebenzisa i-flaring waveguide, isithethi sidibanisa ngokufanelekileyo uxinzelelo oluphezulu oluveliswa ngumqhubi woxinzelelo kunye noxinzelelo oluphantsi lomoya ovulekileyo. Olu phuculo lomzimba luvumela isithethi se-horn esiqhelekileyo se-30-watt ukuba sifikelele kumanqanaba oxinzelelo lwesandi (SPL) angaphezulu kwe-120 dB kwimitha e-1.
Ngenxa yoko, iyunithi enye inokugcina ukuqondwa kwelizwi okubalulekileyo kumgama weemitha ezingama-50 ukuya kwezili-150. Olu qikelelo lugxile kuyoyisa umthetho wesikwere ochaseneyo wokunciphisa isandi ngokufanelekileyo kakhulu kunezithethi zekhowuni ezikhupha imitha ngqo, nto leyo enciphisa kakhulu amandla e-hardware kunye ne-amplifier afunekayo ukugubungela indawo ye-multi-acre.
Ukuxhasa iinkqubo ze-PA zoshishino zanamhlanje
Iinkqubo ze-PA zoshishino zanamhlanje zitshintsha ngokukhawuleza ukusuka kwizakhiwo ze-analog zakudala ukuya ngokupheleleyoiifreyimu ze-IP/SIP ezixhunyiwe kwinethiwekhiNgowama-2026, ukuhlanganiswa kwezithethi zeempondo zangaphandle zePower over Ethernet (PoE+) kuya kuba yindlela eqhelekileyo yokwakha izakhiwo ezintsha kunye nokulungiswa okukhulu. Ezi mpondo zisebenza nge-IP ziqhagamshela ngqo kwiLocal Area Network (LAN) yesikhungo, zivumela ukuhlukaniswa kweendawo, ukujonga impilo ekude, kunye nokuhlanganiswa okungenamthungo neziseko zeVoIP ezikhoyo.
Izithethi ze-horn ezidityanisiweyo zinokufikelela ekuhanjisweni kwesandi nge-latency engaphantsi kwee-millisecond ezingama-20, ukuqinisekisa ukusasazwa okuhambelanayo kwiikhampasi ezinkulu zemizi-mveliso. Olu qhagamshelo lwedijithali lususa isiphumo se-echo esiqhelekileyo kwiitshaneli ezindala ze-analog daisy kwaye luvumela abalawuli beenkqubo ukuba balungise iiparameter ze-DSP (Digital Signal Processing) ngokwesithethi ngasinye, nto leyo ephucula ukuvakala kweendawo ezithile ezincinci ngaphakathi kwisityalo.
Iinkcukacha ezibalulekileyo zezithethi zeempondo zangaphandle
Ukucacisa isithethi esifanelekileyo se-horn yangaphandle kufuna uvavanyo olucokisekileyo lwezakhono zokukhupha i-acoustic, ukuqina kokusingqongileyo, kunye nokuhlanganiswa kombane. Ukungafani nakweyiphi na kwezi parameters kunokukhokelela ekusileleni konxibelelwano olubalulekileyo ngexesha leziganeko zongxamiseko okanye ukonakala kwezixhobo ngaphambi kwexesha.
I-SPL, uvakalelo, kunye ne-angle yokusasazwa
Iimilinganiselo ezisisiseko zokusebenza kwesithethi se-horn yiNqanaba laso loXinzelelo lweSandi (i-SPL), uvakalelo, kunye ne-engile yokusasazeka. Uvakalelo, oluhlala lulinganiswa kwi-watt e-1 kwimitha e-1 (1W/1m), ludla ngokuqala kwi-105 dB ukuya kwi-110 dB kwiimpondo zemizi-mveliso, nto leyo ebonisa ukusebenza kakuhle kakhulu kwe-electro-acoustic.
Ii-engile zokusasazeka zilawula indawo yokugubungela; ukusasazeka okuncinci (umz., 60° ngokuthe tye nge-40° ethe tye) kugxininisa amandla e-acoustic kwizicelo zokuphosa ixesha elide, ngelixa ukusasazeka okubanzi (umz., 120° x 90°) kunciphisa umgama ophezulu wokugubungela okubanzi okukufutshane. Iinjineli ze-acoustic kufuneka zibale i-SPL efunekayo endlebeni yomphulaphuli, ziqwalasela umthetho wesikwere ochaseneyo, oyalela ukuhla kwe-6 dB kuxinzelelo lwesandi kuyo yonke imitha ephindwe kabini ukusuka kumthombo.
Uvavanyo lwe-IP, ukumelana ne-UV, kunye nokukhuselwa kokugqwala
Kwiindawo ezisetyenziswa ngaphandle, iinkcukacha zokusingqongileyo zibaluleke kakhulu njengokusebenza kwe-acoustic. Izithethi zee-horn zemizi-mveliso kufuneka zibe nomlinganiselo woKhuseleko lokuNgena (IP) ubuncinane we-IP66, kwaye kungcono i-IP67, ukuze zikwazi ukumelana nemvula enkulu, ukuhla koxinzelelo oluphezulu, kunye nokungena kothuli lonke.
Ngaphezu koko, izindlu kufuneka zixhathise ukubola kwe-ultraviolet (UV) kunye nokubola kweekhemikhali. Iplastiki ye-ABS enefuthe eliphezulu le-UV-stabilized iyinto eqhelekileyo yokusetyenziswa ngaphandle ngokubanzi, ngelixa i-aluminium yodidi lolwandle okanye i-polyester ekhethekileyo yeglasi-reinforced (GRP) iyimfuneko kwiindawo ezinobungozi kakhulu zaselunxwemeni okanye ze-petrochemical. Ukunyamezelana kwamaqondo obushushu okusebenza ngokuqhelekileyo kufuneka kuqale ukusuka kwi--40°C ukuya kwi-+70°C ukuqinisekisa ukuthembeka okuqhubekayo kwiindawo ezishushu zehlabathi.
Iinkqubo zemigca yetransformer kwiindawo ezinkulu
Iindawo ezinkulu zoshishino zixhomekeke kwiinkqubo zesandi ezisasazwa nge-voltage ephezulu, ikakhulu iinkqubo ze-transformer line ze-70V okanye ze-100V. Ezi nkqubo zinciphisa ukwehla okukhulu kwe-voltage kunye nokulahleka kwamandla okwenzeka ngexesha elide lokusebenzisa ikhebula. Izithethi ze-Horn ezixhotyiswe nge-multi-tap step-down transformers zivumela abafaki ukuba balungise i-wattage etsalwa sisithethi ngasinye (umz., ukukhetha phakathi kwe-5W, 10W, 15W, kunye ne-30W taps) ukulinganisela umthwalo we-amplifier kunye nokulungelelanisa ivolumu kwiindawo ezithile.
| Isiphumo se-Amplifier | I-Cable Gauge (AWG) | Umgama Ophezulu (100V, Umthwalo we-100W) | Umgama Ophezulu (100V, Umthwalo we-30W) |
|---|---|---|---|
| 100V | 18 AWG (0.82 mm²) | ~450 yeemitha | ~1,500 yeemitha |
| 100V | 16 AWG (1.31 mm²) | ~700 yeemitha | ~2,300 yeemitha |
| 100V | 14 AWG (2.08 mm²) | ~1,100 yeemitha | ~3,600 yeemitha |
Ukukhetha useto oluchanekileyo lwempompo kunye negeyiji yekhebula efanelekileyo kuqinisekisa ukuba isithethi se-horn sangaphandle esikude kwisekethe sifumana i-voltage eyaneleyo ukufikelela kwi-SPL yaso elinganisiweyo ngaphandle kokugqithisa i-matrix ye-amplification ephakathi.
Izithethi zeempondo zangaphandle vs ezinye izithethi ze-PA
Nangona isithethi se-horn yangaphandle siyinto eqhelekileyo kwisandi semizi-mveliso, asiyiyo yodwa i-transducer ekhoyo kwintetho kawonke-wonke. Ukuthelekisa izithethi ze-horn neekhabhinethi, iikholamu, kunye nezipilingi kugxininisa urhwebo oluthile lwe-acoustic kunye nolwendalo oluhambelana noyilo lwenkqubo yemizi-mveliso.
Uthelekiso lwepateni yokugubungela
Iipateni zokugubungela zahluka kakhulu phakathi kweentlobo zezithethi. Izithethi zekhabhinethi zisebenzisa iikhowuni ezikhupha imitha ebanzi, ejikeleze i-hemispherical, nto leyo eyenza zifaneleke kwiindawo ezikufutshane, eziphantsi kwesilingi. Izithethi zekholamu zisebenzisa uluhlu lwee-drivers ezincinci ukwenza imitha ebanzi ethe tye kodwa elawulwa ngokuqinileyo, ukunciphisa ukubonakaliswa komgangatho kunye nesilingi kwiindawo zangaphakathi ezivakala kakhulu.
Ngokwahlukileyo koko, izithethi ze-horn zisebenzisa i-mechanical waveguide yazo ukulawula ngokuqinileyo ukusasazwa okuthe tye nokuthe nkqo. Oku kudala umqadi wamandla e-acoustic ohamba ngendlela ethe tye odlula kumgama omde ngaphandle kokusasazeka, okunciphisa ukuchitheka kwe-acoustic okungafunekiyo kwiindawo ezikufutshane okanye kwiindawo zokuhlala ezikufutshane.
Apho izithethi ze-horn zisebenza kakuhle khona
Izithethi zeHorn ziyabalasela kwiindawo eziphawulwa yingxolo engaphaya kwendalo kunye neenyawo ezinkulu ezibonakalayo. Iindawo zokucoca, iiyadi zikaloliwe, imigodi evulekileyo, kunye neendawo zokubeka izibuko rhoqo zivelisa amanqanaba engxolo angasemva phakathi kwe-90 dB kunye ne-110 dB.
Kwezi meko, izithethi zekhabhinethi nezekholamu azikwazi ukusebenza kakuhle kwesandi kwaye ziphosa ngamandla ukuze zoyise ingxolo engqongileyo. Ubuchule besithethi sexilongo bokugxila kumandla esandi buqinisekisa ukuba izibhengezo ezibalulekileyo zokhuseleko zinqumla ingxolo enzima yoomatshini bemizi-mveliso kwaye zifikelele kubasebenzi abasebenza kwiindawo ezinkulu zangaphandle ezingakhuselekanga.
Umgangatho wesandi, inkangeleko, kunye notshintsho lolawulo lwemitha
Eyona nto iphambili xa ukhetha i-horn speaker ibandakanya impendulo ye-frequency kunye neprofayili yobuhle. Ngenxa yokuba ii-horn drivers zilungiselelwe ukusebenza kakuhle kakhulu kuluhlu lwelizwi lomntu, impendulo yazo ye-frequency idla ngokukhawulelwa kwibhendi encinci, edla ngokuba phakathi kwe-300 Hz kunye ne-8 kHz.
Oku kuzenza zisebenze kakhulu ekuqondeni intetho kodwa zingafaneleki kwaphela kumculo ongasemva opheleleyo, nto leyo efuna uluhlu lwe-80 Hz ukuya kwi-20 kHz olunikezelwa zizithethi zekhabhinethi ezineendlela ezimbini. Ukongeza, ukubonakala okubonakalayo, okusebenzayo kwee-horn flares ezinkulu kunokungqubana nobuhle bezakhiwo, nangona kushishino olunzima, ukuqina kunye nolawulo lwemitha kuthatha indawo yokuqonda okubonakalayo.
| Uhlobo lweSithethi | Uvakalelo oluqhelekileyo (1W/1m) | Impendulo yeFrequency | Ukuhlala ixesha elide kwindalo esingqongileyo | Isicelo esifanelekileyo seShishini |
|---|---|---|---|---|
| Isithethi seHorn | 105 dB – 110 dB | 300 Hz – 8 kHz | Igqwesile (IP66/67, GRP) | Iiyadi ezinkulu zangaphandle, iindawo ezinengxolo ephezulu |
| Isithethi seKhabhinethi | 88 dB – 92 dB | 80 Hz – 20 kHz | Iphakathi (IP54/IP65) | Amagumbi olawulo lwangaphakathi, iiofisi |
| Uluhlu lweKholamu | 90 dB – 95 dB | 150 Hz – 15 kHz | Phezulu (IP55/IP66) | Iiholo zangaphakathi ezihloniphekileyo, amaqonga |
Ukuthobela, Ukufakela, kunye nokuQalisa
Ukusebenzisa inkqubo ye-PA yemizi-mveliso luqeqesho lobunjineli olulawulwa kakhulu. Ukuze kuhlangatyezwane nemigangatho yokhuseleko lobomi ka-2026, ukufakelwa kunye nokuqaliswa kwezipikha ze-horn zangaphandle kufuneka kulandele imigaqo-nkqubo engqongqo yokuthobela imithetho elawula uyilo, ukuphindaphinda, kunye nokusebenza kwe-acoustic okulinganisekayo.
Uyilo lweendawo kunye nenkqubo
Ukwahlulahlula iindawo ngempumelelo sisiseko soyilo lwenkqubo ye-PA yemizi-mveliso. Izakhiwo kufuneka zidweliswe ngokwesandi kwaye zahlulwe zibe ziingingqi ezahlukeneyo ngokusekwe kwiiprofayili zengxolo yendawo kunye nemisebenzi yokusebenza. Impazamo eqhelekileyo yokufakela kukugcwalisa indawo engaphandle enezithethi ezibonisa ii-horn kwicala elichaseneyo, nto leyo edala ii-echoes ezinzima ze-acoustic ezineendlela ezininzi.
Uyilo olufanelekileyo lulungelelanisa izithethi kwicala elinye, kusetyenziswa iiprosesa zokulibaziseka zedijithali ukuvumelanisa ixesha lokufika kwezandi ezivela kwizithethi ezongezelelweyo ukuya phambili. Ukulibaziseka kudla ngokubalwa malunga nee-milliseconds ezi-3 ngemitha nganye yomgama phakathi kweepali zezithethi, ukuqinisekisa ukuba abaphulaphuli babona usasazo olunye oluhambelanayo lwesandi endaweni yesandi esingaqhelekanga.
Iimfuneko zokhuseleko, i-alamu yomlilo, kunye nokukhutshwa kwelizwi
Xa inethiwekhi yesithethi se-horn yangaphandle isebenza njenge-Voice Alarm (VA) okanye inkqubo yokukhupha ilizwi, kufuneka ihambelane nemigangatho engqongqo yokhuseleko lobomi efana ne-EN 54-24 eYurophu okanye i-UL 1480 eMntla Melika. Le migangatho iyalela iibhloko zesiphelo ezingatshiyo, ii-fuses zobushushu, kunye novavanyo oluqinileyo lokusebenza rhoqo phantsi kobushushu obugqithisileyo.
Ngaphezu koko, inethiwekhi ye-amplifier kufuneka ibe nokubeka esweni imigca rhoqo. Oku kufezekiswa ngokufaka ithoni yovavanyo engavakaliyo ye-20 kHz okanye ukulinganisa i-impedance yomgca we-100V ngexesha langempela ukuze kuxelwe ngoko nangoko iimpazamo zomhlaba, ii-short circuits, okanye iintambo eziqhawuliweyo kwi-central control matrix, ukuqinisekisa ukulungela kwenkqubo ngexesha lengxakeko.
Amanyathelo okuqalisa ukuqondakala
Isigaba sokugqibela sokusetyenziswa kukusebenza kwe-acoustic, okuqinisekisa ukusebenza kwenkqubo ngokuchasene neemfuno zokhuseleko lobomi. Uvavanyo lokumamela oluxhomekeke kuluvo alwanelanga phantsi kwemithetho yanamhlanje.
Iinjineli kufuneka zisebenzise ii-acoustic analyzers ezikhethekileyo ukulinganisa i-Speech Transmission Index (STI) okanye i-STIPA (Speech Transmission Index for Public Address). Isikali se-STI siqala kwi-0.0 ukuya kwi-1.0. Kwiinkqubo zokukhupha ilizwi ngexesha likaxakeka, imigangatho yamazwe ngamazwe ngokubanzi iyalela ukuba ubuncinane amanqaku e-STI abe yi-0.50 kuzo zonke iindawo ezigubungelayo, ukuqinisekisa ukuba imiyalelo yelizwi iyaqondakala ngokucacileyo ngaphezu kwengxolo yesiseko yesakhiwo.
Indlela yokuchaza nokuvelisa izithethi zeempondo zangaphandle
Ukuthenga izithethi zeempondo zangaphandle zokuphucula ishishini kufuna indlela ecwangcisiweyo ejonga ngaphaya kwexabiso leyunithi yokuqala. Abaphathi bezibonelelo kunye nabahlanganisi beenkqubo kufuneka basebenzise indlela yeTotal Cost of Ownership (TCO) ukuqinisekisa ukuthembeka kunye nokuthobela ixesha elide.
Ukulinganisela iindleko kunye nokusebenza komjikelo wobomi
Ukulinganisela iindleko zomjikelo wobomi kunye nokusebenza kubalulekile kwiindawo zoshishino ezinzima. Nangona isithethi se-ABS esisemgangathweni wezorhwebo sinokubiza i-$50, i-aindawo enobungozi, uphondo lwe-GRP olukumgangatho welwandle lunokudlula i-$300 ukuya kwi-$500 ngeyunithi nganye.
Nangona kunjalo, ukukhetha iyunithi engabizi kakhulu kwindawo enobungozi ngokungenakuphepheka kukhokelela ekungasebenzini ngokukhawuleza. Ixabiso lokwenyani lokutshintsha alibandakanyi nje kuphela izixhobo, kodwa nexesha lokungasebenzi, ukwakhiwa kwe-scaffolding, kunye nomsebenzi okhethekileyo ofunekayo ukutshintsha isithethi esifakwe kwiimitha ezili-10 ukuphakama kwisityalo esisebenzayo sokucubungula iikhemikhali. Ukungenelela okunjalo kunokubiza ngaphezulu kwe-$1,000 ngesiganeko ngasinye, okwenza i-CAPEX yokuqala ephezulu yeeyunithi zomgangatho wezoshishino ibe yeyonga kakhulu kwiminyaka eli-10 yokusebenza.
Ukwakha imatriki yesigqibo somthengi
Ukuze kube lula ukuthenga, amaqela obunjineli kufuneka akhe imatriki epheleleyo yesigqibo somthengi. Izinto eziphambili zokulinganisa kufuneka zibandakanye ukusebenza kwe-acoustic (ubuchule be-SPL kunye ne-STI), isiqinisekiso sokusingqongileyo (umgangatho we-IP,I-ATEX/IECExkwimozulu eqhumayo), kunye nokuhambelana kwenkqubo yendalo ethengiswayo.
Izinto ezisetyenziswa kwi-supply chain nazo zidlala indima ebalulekileyo kwi-matrix. Izithethi zee-horn ezizimeleyo kakhulu ezingakwaziyo ukuqhuma zihlala zithwala amaxesha okukhokela eeveki ezisi-8 ukuya kwezili-12, ekufuneka ziqwalaselwe kwindlela ebalulekileyo yeprojekthi. Imigaqo yewaranti, edla ngokuqala kunyaka omnye ukuya kwemihlanu, kunye nokufumaneka kwee-diaphragms zomqhubi ezitshintshayo nazo kufuneka zibe nzima ukuqinisekisa ukuba zihlala zigcinwa.
Isikhokelo sokugqibela seenkcukacha
Ukugqiba iinkcukacha kufuna ukuguqulela iimfuno zemodeli ye-acoustic kunye neemeko ezingqongileyo zibe yiSicelo esiqinileyo seSindululo (RFP). Uxwebhu lweenkcukacha kufuneka luchaze ngokucacileyo ubuncinci bokuvakalelwa okwamkelekileyo (umz., >105 dB 1W/1m), umlinganiselo we-IP ofunekayo, ulungelelwaniso oluchanekileyo lwe-transformer tap, kunye nazo naziphi na iziqinisekiso ezifunekayo zomntu wesithathu.
Ngokumisela ubungakanani obungqongqo beMinimum Order (MOQs) obuhambelana neeshedyuli zokufakela ngokwezigaba, kunye nokunyanzelisa imiqathango eqinileyo yoVavanyo loKwamkelwa kweFactory (FAT), abathengi banokuzifumana ngokuzithemba izithethi zangaphandle eziya kuhlangabezana neemfuno ezingagungqiyo zeenkqubo ze-PA zoshishino ukuya kuthi ga kwi-2026 nangaphezulu.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Khetha izithethi ze-horn zangaphandle ezinovakalelo oluphakathi kwe-105–110 dB kwi-1W/1m ukuze ugcine ukuvakala okucacileyo kwiindawo zoshishino ezinengxolo ephezulu.
- Sebenzisa izithethi ze-industrial horn ezingama-30-watts ezikwaziyo ukudlula i-120 dB kwi-1 meter xa ii-alamu kufuneka zithintele ingxolo engaphezulu kwe-85 dB(A).
- Cwangcisa indawo yesithethi ukuze isandi sivakale kakuhle malunga neemitha ezingama-50 ukuya kwezili-150 ngeyunithi nganye, uze uqinisekise iziphumo ngophando lwe-acoustic.
- Khetha ukusasazwa okuncinci okufana ne-60° x 40° ukuze kugqunywe ukuphoswa okude kunye nokusasazwa okubanzi okufana ne-120° x 90° kwiindawo ezikufutshane.
- Beka phambili izithethi ze-IP/SIP kunye ne-PoE+ zokuphucula ngo-2026 ukuze kuvumeleke ukuhlukaniswa kweendawo, ukujonga impilo ekude, ukuhlanganiswa kwe-VoIP, kunye nokusasazwa okuhambelanayo.
Imibuzo ebuzwa qho
Kutheni izithethi zeehorni zangaphandle zibalulekile kwiinkqubo ze-PA zemizi-mveliso?
Izipikha zee-horn zangaphandle zivelisa ii-alamu zelizwi ezicacileyo kunye nokubhala iipeji kwiindawo zoshishino ezinomsindo nezivulekileyo. Ukusebenza kwazo kakuhle kunceda ukoyisa ingxolo engaphezulu kwe-85 dB(A), nto leyo eyenza zibe zibalulekileyo kwizibhengezo zokhuseleko, kwizilumkiso zokufuduka, nakwimisebenzi yesiqhelo.
Yeyiphi i-SPL ekufuneka inikwe sisithethi se-horn yangaphandle yemizi-mveliso?
Izithethi ezininzi zeehorn zemizi-mveliso zinika uvakalelo olumalunga ne-105–110 dB kwi-1W/1m, ngelixa imodeli ye-30-watts inokudlula i-120 dB kwimitha e-1. I-SPL efanelekileyo ixhomekeke kwingxolo yendawo, umgama, kunye nokuqondwa kwelizwi okufunekayo.
Isithethi se-horn yangaphandle singagubungela umgama ongakanani?
Ngokuxhomekeke kumandla, ukuphakama kokukhweza, i-engile yokusasazeka, kunye nengxolo yendawo, isithethi esinye se-industrial horn sinokuxhasa ukugqunywa kwelizwi okuvakalayo kwiimitha ezingama-50 ukuya kwezili-150. Kucetyiswa uphando lwe-acoustic yendawo ukuze kubekwe ngokuchanekileyo.
Ngaba izithethi zee-horn ze-IP okanye ze-PoE zingcono xa kuphuculwa i-PA ngo-2026?
Kwizakhiwo ezintsha kunye nokulungiswa kwazo, izithethi zeempondo ze-IP/SIP kunye ne-PoE+ zibonelela ngokwahlulahlula okulula, ukujonga kude, ukuhlanganiswa kwe-VoIP, kunye nezibhengezo ezihambelanayo ze-latency ephantsi xa kuthelekiswa neenkqubo ezininzi ze-analog daisy-chain ezindala.
Yeyiphi i-engile yokusasazwa endifanele ndiyikhethe kwisithethi se-horn sangaphandle?
Sebenzisa ukusasazwa okuncinci, okufana ne-60° x 40°, ukuze ugqume umgama omde ezindleleni, kwiiyadi, okanye kwiindawo zokucubungula. Sebenzisa ukusasazwa okubanzi, okufana ne-120° x 90°, xa ukugubungela okubanzi okukufutshane kubaluleke ngaphezu komgama.
Ixesha leposi: Juni-24-2026