Specifications

RX Receiver Specifications:
Reception Type: 2.4GHz Digital Frequency
Modulation: Digital Modulation
Antenna: Built-In FPC Antenna
Operating Range (Without Obstacles): Up to 328' (100m)
Line Output Connector: 3.5mm TRS
Output Level: -16.5dBu
Output Mode Types: Mono / Stereo
Headphone Output Connector: 3.5mm TRS
Headphone Output Level: -6dBu
Frequency Response 20Hz to 20KHz
Digital Signal Resolution: 16bit / 48kHz
Signal-to-Noise Ratio: ≥84dB
Distortion: ≤0.1%
System’s Voice Delay: ≤8ms
High-contrast OLED Screen Resolution: 128 x 64 pixels
Other Functions: Tactile Output Mute Function
Power Requirements: Built-in Li-ion Battery, USB-C DC 5V or Charging Contact
Battery Life: Approximately 10-hours
Battery Specifications: 3.7V / 400mAh
Weight: 1.08oz (30.5g)
Dimensions: 2.2 x 1.49 x 0.61” (56 × 38 × 15.5mm)
Operating Temperatures: 0° to 122°F (0°C to 50°C)
Storage Temperatures: -50° to 122°F (–10°C to +50°C)

TX Transmitter Specifications:
Transmission Type: 2.4GHz Digital Frequency
Modulation: Digital Modulation
Antenna: Built-In FPC Antenna
Operating Range (Without Obstacles): Up to 328' (100m)
RF Output Power: <10mW
Frequency Response 20Hz to 20KHz
Reference Audio Input Level: -20~-42dBv (MIC input, 0dB Attenuation)
Input Connector: 3.5mm Mic In / Line In (Mic with Plug-in-Power)
Built-in Microphone Polar Pattern: Omnidirectional
Built-in Microphone Maximum SPL: 106dB
Built-in Microphone Sensitivity: 39±2dB (Tested at 2V 2.2KΩ)
Lavalier Microphone Maximum SPL: 120dB
Lavalier Microphone Sensitivity: 39+/-2dB (0dB=1V/Pa,1kHz)
Digital Signal Resolution: 16bit / 48kHz
Signal-to-Noise Ratio: ≥84dB
Distortion: ≤0.1%
High-contrast OLED Screen Resolution: 128 x 64 pixels
Other Functions: Tactile Microphone Mute Function
Power Requirements: Built-in Li-ion Battery, USB-C DC 5V or Charging Contact
Battery Life: Approximately 10-hours
Battery Specifications: 3.7V / 400mAh
Weight: 1.04oz (29.5g)
Dimensions: 2.2 x 1.49 x 0.61” (56 × 38 × 15.5mm)
Operating Temperatures: 0° to 122°F (0°C to 50°C)
Storage Temperatures: -50° to 122°F (–10°C to +50°C)

SR-M1 Lavalier Specifications:
Acoustic Principle: Electret Condenser
Polar Pattern: Omnidirectional
Connector: 3.5mm
Cable Length: 4.1’ (1.25m)
Maximum SPL: 110dB
Sensitivity: -39dB+/-2dB(0dB=1V/Pa,1kHz)
Signal-to-Noise Ratio: ≥60dB
THD: <1% (94dB SPL at 1kHz)
Power Requirements: Plug-in-Power (1V～10V)
Standard Operating Voltage: 3V
Current Consumption: <500μA
Output Impedance: <2.2KΩ