NKR K220參數規格: 輸出功率 ：150W + 150W(4Ω) 麥克風靈敏度：10mV 輸入靈敏度：200mV 信噪比:>95dB 互調失真(1KHz,200mV)：0.1% 頻率響應：20Hz-20KHz 麥克風音調：80Hz±12dB 12KHz±12dB 回響音調：250Hz±12dB 12KHz±12dB 音調：80Hz±12dB 2.5KHz±8dB 2KHz±12dB 體積：420x350x120

MIPU咪譜 MP-U4M無線會議麥克風在在不同的環境下同時使用均不受干撓，適合會議室使用，可同時使用三套不同的頻率無線會議麥克風；MP-U4MWIRELESS MICROPHONE FEATURE: *UHF 800MHz band and 4 applied channels with 300KHz channel space. *Fixed frequency, have very high receive sensitivity. *Excellent SAW filter for RF and IF circuit, are excellent anti-jamming performance. *Manufactured by SMT components and technics, each product had passed through aging test for 8 hours. *Collocating all-pervading AA size batteries for transmitter, continuous supply time up to 10~30 hours. *Dual DC-DC step up circuit for transmitter, RF output will not weaken when batteries power reduce. *Up to 150 meters operation distance in perfect environment, fitting for conference situations. SPECIFICATIONS: Frequency Range: 730~950MHz Selectable Channels: 4X1 Oscillation Mode: PLL synthesized Frequency Stability: ±10ppm Receive Mode: Superheterodyne Input Sensitivity:-90dBm Audio Response: 40Hz~ 2KHz T.H.D.at 1kHz: ≤0.5% Signal to Noise Ratio: ≥110dB Audio Output: Balanced XLR Unbalanced 1/4” jack socket RF Output: 10Mw (50Nw Max.) Modulation Mode: FM Battery Requirement: 2*1.5AA size

MIPU咪譜 MP-U4M無線會議麥克風在在不同的環境下同時使用均不受干撓，適合會議室使用，可同時使用三套不同的頻率無線會議麥克風；MP-U4MWIRELESS MICROPHONE FEATURE: *UHF 800MHz band and 4 applied channels with 300KHz channel space. *Fixed frequency, have very high receive sensitivity. *Excellent SAW filter for RF and IF circuit, are excellent anti-jamming performance. *Manufactured by SMT components and technics, each product had passed through aging test for 8 hours. *Collocating all-pervading AA size batteries for transmitter, continuous supply time up to 10~30 hours. *Dual DC-DC step up circuit for transmitter, RF output will not weaken when batteries power reduce. *Up to 150 meters operation distance in perfect environment, fitting for conference situations. SPECIFICATIONS: Frequency Range: 730~950MHz Selectable Channels: 4X1 Oscillation Mode: PLL synthesized Frequency Stability: ±10ppm Receive Mode: Superheterodyne Input Sensitivity:-90dBm Audio Response: 40Hz~ 2KHz T.H.D.at 1kHz: ≤0.5% Signal to Noise Ratio: ≥110dB Audio Output: Balanced XLR Unbalanced 1/4” jack socket RF Output: 10Mw (50Nw Max.) Modulation Mode: FM Battery Requirement: 2*1.5AA size