贵阳音响批发的数字类音响指向性非常好。一般用传统喇叭构成的音箱，指向性很差，你必须站在音箱的前面，才能听到较完*的声音，特别是高音的部分；而如果你站在音箱的侧面，可能有些背景或伴奏声音就听不到了；如果你站在音箱的背面，可能那甜美的歌声，已经变成了不愿意欣赏的声音了。而平板式音箱却没有上述的问题存在，无论你站在任何位置，都能欣赏到完整、真实的声音。贵阳音响批发
Model CA450
Power
8Ωstereo power 450W*2
4Ωstereo power 900W*2
8Ωbridge power 1800W*2
4Ωbridge power 3360W*2
Other specification
Frequency response 20Hz-20KHz
THD+N ＜0.05%
S/N rate ＞80dB
Damping Factor ＞200
Crosstalk ＞60dB
Slew Rate ＞13V/μs
Input Sensitivity 0.77V/1.0V/32dB
Input Impedance(bal/unbal) 20KΩ/10KΩ
Voltage gain(sensitivity:8ohm) 32dB
Output circuitry Class ITM
Cooling Air flow from front to rear
Protection Soft start,DC,short circuit,over
load,clip limit,over heat, progressive volume,VHF
Connector
Input Balance input XLR-F,Balance output XLR-M
Output Two red and black Binding posts,NL4 SPEAON
Function
Front panel Indicator Front panel
indicator:signal,clip,protect, power indicator,bridge,parallel
LCD display screen Front panel lcd:State attenuating
level of volume control, State operating temperature,State
general maintenance method, State malfunction type.
Front panel Power switch,volume control knob
Rear panel Stereo/parallel/bridge switch,input
sensitivity switch,low pass filter, high pass filter,grouding switch
Dimension/weight
Product dimension(mm) 485*495*90(2U)
Packing dimension(mm) 595*565*170(2U)
G.W(±2.5Kg) 23Kg
Power Removable american 6.5* power
cord Non-removable 20A cable
AC110V/60Hz.±10% AC110V/60Hz.±10%
AC120V/60Hz.±10% AC120V/60Hz.±10%
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