Master-D 4 Channel Pro Vocal UHF W/Microphone
Model: U-X19
System specifications:
  (1) Frequency range: 600-699 MHz
  (2) Frequency stability: ±0.005%
  (3) Frequency accuracy: ±5KHz
  (4) Modulation: FM
  (5) Maximum frequency deviation: ±15KHz
  (6) Audio response: 40Hz-16KHz
  (7) Signal-to-noise ratio: ≥80db
  (8) Dynamic range: ≥90db
  (9) Total harmonic distortion: ≤0.5%
  (10) Operating range: >50 meters
  (11) Operating temperature: -15℃~60℃
Receiver performance:
  (1) Reception mode: phase-locked loop frequency locking
  (2) Receiver sensitivity: 25dbu
  (3) Signal-to-noise ratio: ≥90db
  (4) Audio output level: A+B OUT unbalanced 0-0.25V/15KΩ
    A OUT, B OUT balanced 0~0.3V/15KΩ
  (5) Power supply: DC12V
Handheld transmitter performance:
  (1) RF output power: up to 115dbu
  (2) Spurious suppression: greater than carrier 40dbu
  (3) Antenna: fully concealed
  (4) Microphone: dynamic single directional
  (5) Battery: 1 18650 battery
  (6) Battery consumption: about 120MA
  (7) Battery life: continuous use for more than 4 hours
Lavalier transmitter performance:
  (1) RF output power: up to 115dbu
  (2) Spurious suppression: greater than carrier 40dbu
  (3) Antenna: external
  (4) Microphone: capacitor single directional
  (5) Battery: 2 1.5V batteries
  (6) Battery consumption: about 130MA
  (7) Battery life: continuous use for more than 3 hours.
Master-D 4 Channel Pro Vocal UHF W/Microphone
Model: U-X19
System specifications:
  (1) Frequency range: 600-699 MHz
  (2) Frequency stability: ±0.005%
  (3) Frequency accuracy: ±5KHz
  (4) Modulation: FM
  (5) Maximum frequency deviation: ±15KHz
  (6) Audio response: 40Hz-16KHz
  (7) Signal-to-noise ratio: ≥80db
  (8) Dynamic range: ≥90db
  (9) Total harmonic distortion: ≤0.5%
  (10) Operating range: >50 meters
  (11) Operating temperature: -15℃~60℃
Receiver performance:
  (1) Reception mode: phase-locked loop frequency locking
  (2) Receiver sensitivity: 25dbu
  (3) Signal-to-noise ratio: ≥90db
  (4) Audio output level: A+B OUT unbalanced 0-0.25V/15KΩ
    A OUT, B OUT balanced 0~0.3V/15KΩ
  (5) Power supply: DC12V
Handheld transmitter performance:
  (1) RF output power: up to 115dbu
  (2) Spurious suppression: greater than carrier 40dbu
  (3) Antenna: fully concealed
  (4) Microphone: dynamic single directional
  (5) Battery: 1 18650 battery
  (6) Battery consumption: about 120MA
  (7) Battery life: continuous use for more than 4 hours
Lavalier transmitter performance:
  (1) RF output power: up to 115dbu
  (2) Spurious suppression: greater than carrier 40dbu
  (3) Antenna: external
  (4) Microphone: capacitor single directional
  (5) Battery: 2 1.5V batteries
  (6) Battery consumption: about 130MA
  (7) Battery life: continuous use for more than 3 hours.
