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class="proBig"><div id="qoeusyw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yyfkj8888/637438802824813122/3597702.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="w2caqom" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yyfkj8888/637438802824813122/3597702.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uom4yeq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>深圳小區(qū)壁掛喇叭價格,壁掛喇叭</p><p><span>***更新：</span>2021-01-28 08:22:18</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kec4c44" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市銀一鋒科技電子有限公司</a></p><p><span>聯(lián)系人：</span>黃添富</p><p><span>郵箱: </span>1553864476@qq.com</p><p><span>電話: </span>18575541770</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://yyfkj8888.shop.88360.com</p><p><span>手機(jī): </span>0755-29970011</p><p><span>地址: </span>西鄉(xiāng)街道共樂鐵仔路麒裕工業(yè)城5棟3樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="iy4u2eu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gsqgeag" class="box"><p><p style="text-indent:25px"><p>壁掛喇叭優(yōu)點(diǎn)<p>1．指向性非常好。一般用傳統(tǒng)喇叭構(gòu)成的音箱，指向性很差，你必須站在音箱的前面，才能聽到較完美的聲音，特別是高音的部分；而如果你站在音箱的側(cè)面，可能有些背景或伴奏聲音就聽不到了；如果你站在音箱的背面，可能那甜美的歌聲，已經(jīng)變成了不愿意欣賞的聲音了。而壁掛喇叭卻沒有上述的問題存在，無論你站在任何位置，都能欣賞到完整、真實的聲音。<p>2．聲音衰減較小。傳統(tǒng)的音箱，當(dāng)你靠得太近會發(fā)現(xiàn)聲音很大，而距離稍遠(yuǎn)時，你又覺得聲音小了許多。而壁掛喇叭沒有以上問題，無論你是在近距離還是稍遠(yuǎn)距離，所聽到的聲音大小并沒有太大的差異。<p>3．聲音的保真度較高。一般傳統(tǒng)的喇叭，它的形狀為圓錐形，當(dāng)它振動發(fā)出聲音時，往往將聲音集中在喉部，經(jīng)過壓縮，再傳播出來，而人們所聽到的聲音，是經(jīng)過壓縮而變形的聲音。壁掛喇叭就不會有上述問題，只因為人們聽太多變形的聲音，所以一旦接觸到壁掛喇叭時，開始聆聽時會覺得它很平凡，隨后卻往往被它自然的表現(xiàn)而深深吸引。<p>4．外形超薄，不占空間，深圳小區(qū)壁掛喇叭價格。由于壁掛喇叭的特殊構(gòu)造，構(gòu)成的音箱在任何位置均可擺放，深圳小區(qū)壁掛喇叭價格，不像傳統(tǒng)音箱，因擺放位置的不同，聽到的效果也大不相同。壁掛音箱又稱壁掛喇叭，深圳小區(qū)壁掛喇叭價格，是由音源輸入設(shè)備、信號放大器（功放）和壁掛式揚(yáng)聲器組成，是一整套的音響系統(tǒng)。深圳小區(qū)壁掛喇叭價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳小區(qū)壁掛喇叭價格,壁掛喇叭" src="https://tyunfile.71360.com/UploadFile/yyfkj8888/637438802824813122/3597702.png"></div><p> 2.4G無線教學(xué)有源壁掛喇叭 </p> <p> 2路有線話筒輸入,1路蓮花頭輸入,1路擴(kuò)展輸出,話筒音量與音樂音量可單獨(dú)調(diào)節(jié);2.4G無線教學(xué)有源音箱壁掛喇叭多媒體教室會議培訓(xùn)教師**擴(kuò)音系統(tǒng)。無線教學(xué)有源音箱帶無線麥克風(fēng)、激光教鞭。 </p> <p> 功能簡介：內(nèi)置功放輸出2.0**聲道,功率:60W〔30W+30W);靈敏度高,動態(tài)性能良好,人聲表達(dá)準(zhǔn)確、音質(zhì)清晰自然;支持2.4G與紅外雙重對頻模式,對頻成功后下次開機(jī)機(jī)自動進(jìn)入對頻狀態(tài).對頻成功后自動開啟發(fā)射.發(fā)射功率:10dbm;與無線音箱的有效使用躍高30米〔無障礙〉;無線話筒采用USB接口的可充電鋰電池,使用方便環(huán)保高效;話簡有開機(jī)提示音,可調(diào)節(jié)話筒音節(jié)大小,支持一鍵靜音;無線話筒采用內(nèi)置麥克風(fēng)設(shè)計,可支持頭帶麥/手持麥輸入;無線話筒其有激光教鞭功能同時具有上下翻頁按鍵〔選配翻頁模塊可實現(xiàn)無線翻頁、在放影PPT文件時還可一鍵黑屏);無線話筒帶有液晴顯示屏,可顯示當(dāng)前音史、穎段、電池客史、充電狀您等信怒;同一支無線話筒可在任意教室使用,且互不干擾無線話筒內(nèi)置2.4G信號接聽器,避免音箱內(nèi)部電磁干擾,增強(qiáng)信號穩(wěn)定性及靈敏度。光明區(qū)壁掛喇叭30w校園教室一般以壁掛喇叭音箱為主。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳小區(qū)壁掛喇叭價格,壁掛喇叭" src="https://tyunfile.71360.com/UploadFile/yyfkj8888/637438802831688133/9500266.png"></div><p> 消防壁掛喇叭，合并式廣播功放 </p> <p> 消防壁掛喇叭：1.5路輸入（三路話筒輸入、二路線路輸入、一路緊急輸入）；2.二個線路輔助輸出口,非常適宜中、小型公共場合廣播使用；3.設(shè)有100V,70V定壓輸出和4-16Ω定阻輸出；4.各輸入通道音量**調(diào)節(jié)；功放俗稱“擴(kuò)音機(jī)”他的作用就是把來自音源或前級放大器的弱信號放大，推動音箱放聲。功放是喇叭系統(tǒng)中基本的設(shè)備，它的任務(wù)是把來自信號源的微弱電信號進(jìn)行放大以驅(qū)動揚(yáng)聲器發(fā)出聲音。功率放大器簡稱功放，其作用主要是將音源器材輸入的較微弱信號進(jìn)行放大后，產(chǎn)生足夠大的電流去推動揚(yáng)聲器進(jìn)行聲音的重放。由于考慮功率、阻抗、失真、動態(tài)以及不同的使用范圍和控制調(diào)節(jié)功能，不同的功放在內(nèi)部的信號處理、線路設(shè)計和生產(chǎn)工藝上也各不相同。 </p><p style="text-indent:25px"><p>廣播音響系統(tǒng)的組成（二）<p>傳輸線路雖然簡單，但隨著系統(tǒng)和傳輸方式的不同而有不同的要求。對禮堂、劇場等，由于功率放大器與揚(yáng)聲器的距離不遠(yuǎn)，一般采用低阻大電流的直接饋送方式，傳輸線要求用**喇叭線，而對公共廣播系統(tǒng)，由于服務(wù)區(qū)域廣，距離長，為了減少傳輸線路引起的損耗，往往采用高壓傳輸方式，由于傳輸電流小，故對傳輸線要求不高。<p>揚(yáng)聲器系統(tǒng)（天花喇叭、壁掛喇叭）：揚(yáng)聲器系統(tǒng)要求整個系統(tǒng)要匹配，同時其位置的選擇也要切合實際。禮堂、劇場、歌舞廳音色、音質(zhì)要求高，而揚(yáng)聲器一般用大功率音箱;而公共廣播系統(tǒng)，由于它對音色要求不是那么高，一般用3W/6W天花喇叭即好。壁掛喇叭布置應(yīng)根據(jù)建筑功能,體型,空間高度及觀眾席設(shè)置等因素確定,一般分為:分散布置,集中布置,混合布置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳小區(qū)壁掛喇叭價格,壁掛喇叭" src="https://tyunfile.71360.com/UploadFile/yyfkj8888/637438802880809239/6726550.png"></div><p> 學(xué)校教室內(nèi)廣播壁掛喇叭音箱音響 </p> <p> 學(xué)校教室內(nèi)廣播壁掛喇叭音箱一款多功能喇叭音箱，它可以用于多媒體教室使用，掛在墻壁上使用，當(dāng)然也可以擺放在桌面使用一切隨心所欲；外觀并沒有采用過多華麗的設(shè)計，而是走穩(wěn)重典雅的路線，箱體采用木質(zhì)結(jié)構(gòu)打造，配有深色的木紋貼面，手感十分順滑。學(xué)校教室有源壁掛音箱，要講什么叫教室有源壁掛喇叭音箱，簡單的音響系統(tǒng)包括3個環(huán)節(jié)：音源、功率放大器和喇叭。音源指聲音播放設(shè)備如收音機(jī)、卡座、CD機(jī)、VCD、DVD、MP3等。對于電腦而言，光驅(qū)和聲卡都屬音源設(shè)備。一般音源設(shè)備的輸出信號較小，大約在數(shù)百毫伏到兩伏之間，如果直接接喇叭可能聲音很小甚至根本無聲。由于喇叭的阻抗一般很低，絕大多數(shù)在4~8歐姆之間，一些設(shè)計比較特殊的音箱在某些頻段的阻抗甚至不到兩歐姆，接近短路，極易使音源設(shè)備過載，嚴(yán)重時甚至可能造成音源設(shè)備的損壞。因此，必須在音源和音箱之間加一級功率放大器，將音源輸出的微弱信號放大到足夠的功率去推動音箱，使音箱發(fā)出足夠的音量。同時功放具有較高的輸入阻抗和較低的輸出阻抗，可以在音源和喇叭之間起到緩沖的作用，既不會使音源設(shè)備過載，又能輕易推動音箱。公共廣播喇系統(tǒng)天花喇叭壁掛喇叭應(yīng)用范圍廣，是現(xiàn)代建筑必不可少的組成部分。光明區(qū)壁掛喇叭30w</p><p style="text-indent:25px">壁掛喇叭聲音清晰柔和，安裝方便。深圳小區(qū)壁掛喇叭價格</p><p> 校園廣播音響設(shè)備系統(tǒng)方案，學(xué)校廣播音響連接聽語音 </p> <p> 數(shù)碼編程分區(qū)控制器：是整個系統(tǒng)的主要設(shè)備，主要作用是定時定曲定點(diǎn)的對各分區(qū)控制，對設(shè)備電源的管理，并對各分區(qū)實現(xiàn)打開與關(guān)閉功能。特點(diǎn)如下： </p> <p> 微電腦控制，單鍵飛梭，圖形化界面，多級菜單操作模式2.真彩色TFT顯示器，中文字幕，工作狀態(tài)一目了然3.簡體中文，繁體中文，英文三種語言菜單任意切換。真彩色3.0英寸TFT顯示器4.可支持電腦聯(lián)機(jī)編輯定時程序，全自動電源、廣播分區(qū)管理5.高精度MaximRTC時鐘、定時可精確到秒6.支持消防聯(lián)動功能，警報觸發(fā)信號輸入播放指定音樂文件7.支持外擴(kuò)電源時序器，可輸出短路信號，控制**設(shè)備8.可定時播放內(nèi)存和SD卡節(jié)目,8路音頻定時輸出，3路定時電源輸出口9.內(nèi)置高清晰FM收音機(jī)FM88-108MHz，并支持FM節(jié)目錄制，可隨意錄制選定的FM收音機(jī)節(jié)目10.支持遠(yuǎn)距離可視遙控（可選，可視遙控和無屏遙控兩種） </p> <p> 廣播喇叭：一般是壁掛喇叭還有壁掛音箱幾種，在實際選擇中需要根據(jù)實際場景來進(jìn)行選擇，壁掛式喇叭相對在戶外使用的會更多，具有防水、防曬、防摔等性能特點(diǎn)，則對于室內(nèi)安裝，更多的考慮是吸頂喇叭，教室一般以壁掛音箱為主。深圳小區(qū)壁掛喇叭價格</p><p 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