VossAudio, U61
1. Frequency range:600MHz--700MHz 2. Modulation mode: digital frequency modulate 3. Frequency response: 50Hz--18KHz 4. S/N: >90dB 5. Distortion: <0.5%@1KHz 6. Output level: 200mV + 5mV 7. Sound cartridge: dynamic 8. Receiver power supply: 3.7V/18650 lithium battery