• karaoke

ES-HD1 Multifunction household Karaoke reverberator

· A New Design of Multifunctional Reverberation  Preamplifier for Home

· Built-in dual frequency conversion wirelessmicrophone reception (25 single-meterHandheld SeriesFrequency points are optional)

· 1 Channel 6.35 Mixed output

· 1 channel 6.35 left right single output

· 1 channel 3.5 stereo output

· 2 wireless mic channel input

· 2 wired mic channel inpu

· With MP3 broadcast,Bluetooth Transmission

SYSTEM PARAMETER

Frequency:UHF640-690MHz
Channels:2x25(Frequency conversion)
Response:50Hz ~ 18KHz
RF production:high-performance integrated IC
RF bandwidth:50MHz
Signal to noise ratio:> 105dB (A weighted peak)
Dynamic range:> 100dB
Distortion:< 1.0% @ 1KHz
Use temperature:-18 ~ 50 degrees (Celsius)
Working Range:50 meters
Receive Mode:high performance integrated IC
Sensitivity:> - 105dB
Display:LCD
Output:Mixed / two balanced/ unbalanced output
Channel:4



SYSTEM PARAMETER

RF accuracy:± 5ppm<10KHz                    
Nominal frequency offset:25KHz
Harmonics:<- 45dB / c
Output power:> 10 dB / m
Display:LCD
Current consumption:<150mA @ 3V                    
Power supply:AA 1.5V x 2
Battery life:About 6 hours
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