JBL RAM330 專業卡拉OK功放機的價格技術參數：
功率輸出： 300W+300W 
總諧波失真率： 1KHz, 8Ω, 50W 
輸入靈敏度/阻抗：MIC 6mV/3.3K Ω；    低音輸出 2.2V/2.2K 9 E-SPACE: normal; WCxBTH,0xE :xAT osri&Nstyle="FONT-SIZE: 9pt; BORDER-TOP: 0px; FONT-FAMILY: 宋體; BORDER-RIGHT: 0px; VERTICAL-ALIGN: baseline; WHITE-SPACE: normal; WORD-SPACING: 0px; BTO: none; FONT-WEIGHT: 400; COLOR: rgb(102,102,l;eR T;:vtti-N-E: GNaW CING: REO 1:OLGFWxG HT: xncttioAS;E-sE,0FE-n;R;T-I-: 0pt-riantxtnrsS"R宋Tie; WHITE-SPACE: normal; WOR-MpXW0xNTtial; text-dealy M:bmpRDER :TBxFO-LIGN: leftA; UTLINE-STYLE: none; PADDING-LEFT: 0p-Dp;i; mr->TO DXI EATlU none; PADDING-LEFT: 0px; BORDER-;m G-a cehleaLDL-aLINE;ENrt0tn -wnt"0nneE宋 e -ONI,WMlN-T;A0anb:text-decoration-style: initial; text-decoration-color: initial">
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