PM-320 UHF wireless monitoring system


PM-320 is a wireless monitoring system for stage performances and audio broadcasting, and a wireless listening system for large simultaneous interpretation conferences. High-fidelity sound, advanced electronic processing technology instead of the traditional complicated and heavy monitoring equipment, eliminate the howling from the monitoring equipment, and make the performance reliable and perfect.


System performance characteristics
· Metal 1/2 EIA standard 1U case.
· The housing of PM-320R receiver is made of light-weight and tough alloy materials.
· Exquisite and simple OLED display.
· The receiver uses the UHF frequency band, and the CPU controls diversity reception to reduce dead spots and ensure stable reception.
· The bandwidth is 32MHz and there are 1280 adjustable frequencies. 1-10 Channel groups, more than 180 fixed frequencies for choose. Channel groups U1-U5 can set and save frequencies freely.
· Stereo and mono selection
· Treble boost function, limit control function
· The stable PLL phase-locked oscillation circuit, combined with the "noise lock" squelch can effectively block stray RF.
· With headphone monitoring output.
· With long transmission distance, it is suitable for various occasions.

Specification
PM-320T Stereo Transmitter
Main Frame Size: 1/2 EIA standard 1U
Frequency band: 554MHz~936 MHz
Maximum deviation: ±50KHz
Number of channel groups: single channel
Modulation method: FM MPX (stereo)
S/N ratio: >100dB
T.H.D: <0.9%@1KHz
Frequency bandwidth: 32MHz
Comprehensive frequency response: 25Hz-15KHz ±3dB
Output power: 30mW-50mW
Current consumption: 140mA (typical)
Power supply mode: DC 12V
Frequency stability: ±0.005% (-10~50°C)
Oscillation mode: PLL phase lock frequency synthesis
Harmonic radiation: more than 60dB lower than the main wave
Audio output: φ6.3mm balanced socket x2
MPX control tone: frequency: 19KHz, deviation: ±5KHz
Audio input Line level x 2, XLR and φ6.3mm co composite socket
Dimensions: 206mm(width)x44mm(height)x199mm(depth)
Weight: about 955g


PM-320R Stereo Mini Receiver
Receiving method: antenna diversity reception
Carrier frequency band: 554MHz~936 MHz
Maximum deviation: ±48KHz
Number of channel groups: single channel
Modulation method: FM MPX (stereo)
S/N ratio: >100dB
T.H.D: <0.9%@1KHz
Stereo separation: ≥55dB, at 1KHz
Frequency response: 25Hz-15KHz ±3dB
Battery: AAx2
Current consumption: 165mA (typical)
Battery life: >8 hours
High frequency boost: +8 dB at 10KHz
Limiter: each step can be adjusted 6dB, can be turned off
Frequency stability: ±0.005% (0~50°C)
Oscillation mode: PLL phase lock frequency synthesis
Working distance: 100 meters in general (open area)
Output socket: φ3.5mm stereo headphone socket
Output power: 2x150mW at 1KHz (T.H.D.: 3%)
Sensitivity: When the offset is equal to 25KHz, 6dBuV, S/N>60dB
Frequency bandwidth: 32MHz (1280 transmitting frequencies, tunable in units of 25 KHz)
Dimensions: 90mm (height) x65mm width x23mm (depth)
Weight: about 100g
 
 
 
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