JBL RAM330 專業卡(kǎ)拉OK功放(fàng)機(jī)哪个(gè)廠(chǎng)商好(hǎo)

JBL RAM330 專業卡(kǎ)拉OK功放(fàng)機(jī)哪个(gè)廠(chǎng)商好(hǎo)技術(shù)參數：
功率輸出(chū)： 300W+300W 
總(zǒng)諧波(bō)失真(zhēn)率： 1KHz, 8Ω, 50W 
輸入(rù)靈敏度(dù)/阻抗：MIC 6mV/3.3K Ω； DVD, TAPE, AUX 300 mV /47K Ω；BGM 300 mV /47K Ω
輸出(chū)水(shuǐ)平/阻抗：前(qián)級輸出(chū) 2.2V/2.2K Ω    
低(dī)音(yīn)輸出(chū) 2.2V/2.2K Ω   
录(lù)音(yīn)輸出(chū) 300mV/2.2K Ω    
音(yīn)乐(lè)輸出(chū) 2.2V/2.2K Ω
頻率响應(yìng)：Mic 20-20KHz, 3dB   Music 20-20KHz, 3dB
音(yīn)調控制範圍：音(yīn)乐(lè) 11steps, 5tones
视頻輸出(chū)接口：靈敏度(dù)/阻抗 1Vp-p/75Ω
其(qí)它(tā)电源供應(yìng)：供應(yìng)电壓 230v-50Hz  
功耗(RMA330)750W&ns   &npA< lFTI:pt; E 0px; FONT-FAMILY: 宋體(tǐ); BORDER-RIGHT: 0px; VERTICAL-ALIGN: baselineTSC: na; WORD-PAGBOTTOM: XT-TRANSFOM: nF-H4O rgb(102,102,0)OUDT; ADDING-BOTT; FONT-STYLE: normal;XT-ALIGN: left; PADDING-TOP: 0px; OUTLINE-STYLE: none; PADBRDERL:xRN 2; WI AIN: 0pxLETTER-SPACING: rl; OUTLICRntDGG ;ENT; fonvariant-gusnora ta-caps:nomal; -kt-ow: ;e-oation-stylii tdecorat-olor initial">SPAN style="FONT-SIZE: 9pt; BORD-TOP: 0px; FONFAMILY: 宋體(tǐ); BORD 0px;RAL seH-rmal; WDC:xORBT: 0pxTEXT-TRANSFORM: noneIGHT:4 R: rgb(102,102,1); OUTLINE-WIDTH:xANOTLal; T-ALNePITOUTLINE-STYLE: none; PDGEE ;PS;D: G x; LETTER-SPACING: normal; OUTLINE-COLOR: invert; PADDINGT 0px; TEXT-INDENT: 0px;nvalares: norm tp nal; -webkit-textke-width: x-decoratyle: ;xct-or: ini"WxHxD)P s="FONT-SIZE: 9pt; BRF-M體(tǐ); BORD- 0px; ERTICAL-ALIGN:aeline; WHITE-SACE no;ORD-SPACING: 0px; BR-BOTTOM TEX-TRANSFORM: none; F-WEIGT: 00;COLORrg10,1,); OUTLINE-WIDTH: 0px; PADDING-BOTT ;STYEna XT-Llt; DG:xUNY:eANET: 0;DERLEF:;PS2; WIDOS;R ;T-SPACING:ormal; OUTLINE-COLOR: invert; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0pxtext-decoationtyle: inat-oior initial">1430mm  /NyFZE: 9pBORDER-TOP:px NFAMILY DER-GHT: ;EAGN: baseline; WHITE-SPACE: normalWORD-SPACING: 0BORDER-BOTTOM: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(102,102,102); OUTLINE-WIDTH: 0px; PADDING-BOTTOM: 0px; FONT-STYLE: normal; TEXT-ALIGN: left; PADDING-TOP: 0px; OUTLINE-STYLE: none; PADDING-LEFT: 0px; BORDER-LEFT: 0px; ORPHANS: 2; WIDOWS: 2; MARGIN: 0px; LETTER-SPACING: normal; OUTLINE-COLOR: invert; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">(RMA330)：1<

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