CH-30W
Hi-Fi Speaker/Digital Wireless MIC Speaker/Classroom MIC Speaker
Description
Speaker spec. | |
Amplifier | Class D |
Wattage Output | 30W Stereo |
Speaker spec. | 2.75" 15W/8Ω x2 full rang (high performance speaker) |
SPL(Sound Presure Level) | 92sB/W |
Frequency Response | 50Hz ~20kHz |
Dimension | 254.1 x 250 x 90mm |
Weight | 1.5Kg |
Power Supply | Switching Power Supply DC19V/2A |
Input-Specker | Audio in x1, DC in x1 |
Input-MIC | MIC in x1, DC 5V in x1, Audio in x1 |
Audio Auto Off | 60sec |
Microphone spec. | |
Microphobne Type | Collar type |
Seneitivity | -37dB(f=1KHz, S.P.L=1Pa, 0dB=1V/Pa) |
Signal to Noise Ratio | 70dB |
Maximun Input SPL | 120dB(f=1KHz, THD<1%) |
Dimension | 85 x 42 x 10mm |
Wireless Spec. | |
Voltage Range | 3.6V ~ 5V |
Current | < 50mA |
Frequency Response | 2.4G ~ 2.483G |
Channel | 20 channels (Auto-match) |
Frequency Match | GFSK |
Audio Shift | < 1.5ms |
Dynamic Range@ 1KHz | 81dB |
Separating Degree@ 1 KHz | 90dB |
Distortion THD | 0.1% |
Matching Time | 3 sec |
Matching Distance | 2M < |
Frequency Match Distance | 30M (Free space) |
Battery Type | Lithium bettery |
Battery Time | at least 8 hr use |
Battery Change Time | 4hr from exhausted for full charge |
Receiver (Build in Speaker) | |
Sensitivitly | -85dBm(Min) |
Output Resistance | 32Ω |
Output Voltage | 2Vp-p(Max) |
Transmitter (MIC) | |
Transmitter Power | 10mW |
Input Resistance | 10kΩ |
Input Voltage | 2.8Vp-p(MAX) |
Power System | DC 5V(USB charge wire) |
Audio in | MIC in / Audio in |
Priority Channel | MIC first priority |
Other Spec. | |
Safety | CCC, SRRC, BSMI, NCC, CE,FCC |
Accessories-Speaker | Power cord x1, Power adapter x1, 3.5mm audio cable x1, Sponges, User's Manual( CD) , QSG |
Accessories-MIC | 3.5mm USB cable, Clip-on microphone, Sling |