BOYA BY-WM8 PRO Specs System Oscillator Type PLL Synthesized Control Oscillator Carrier Frequency Range 576.4 to 599.9 MHz (Transmitter: A) 568.6 to 592.1 MHz (Transmitter: B) Channels 48 Frequency Response 40 Hz to 18 kHz (±3 dB) Operation Range 300′ / 100 m (without Obstacle) Operating Temperature 14 to 122°F / -10 to 50°C Storage Temperature 14 to 131°F / -10 to 55°C Transmitter RF Output Power ≤ 10 mW Antenna 1/4 Wire Antenna Spurious Emission 250 nW or Less Audio Input Connectors 1/8″ / 3.5 mm Mic Input 1/8″ / 3.5 mm Line-Level Input Reference Input Level -60 dBV (Mic Input, 0 dB Attenuation) Reference Deviation ±5 kHz (-60 dBV, 1 kHz Input) Input Frequency Range 20 Hz to 20 kHz Distortion 0.5% or Less Power Supply 2 x AA Size Batteries Operation Time Aprox 6 Hours Dimensions (H x W x L) 8.2 x 2.6 x 1.1″ / 20.8 x 6.7 x 2.9 cm Weight 2.8 oz / 80.0 g (without Batteries) Receiver Antenna 1/4 Wire Antenna Audio Output Connectors 1/8″ / 3.5 mm Line Out 1/8″ / 3.5 mm Headphones Out Signal to Noise Ratio 70 dB or More Distortion 0.5% or Less Headphone Output Level 30 mW (16 Ohms) Audio Output Level -60 dBV Power Supply 2 x AA Size Batteries Operation Time About 4 Hours Dimensions (H x W x L) 8.2 x 2.6 x 1.1″ / 20.8 x 6.7 x 2.9 cm Weight 3.2 oz / 90.0 g (without Batteries) Lavalier Microphone Specs Transducer Back Electret Condenser Polar Pattern Omnidirectional Frequency Range 35 Hz to 18 kHz Signal / Noise 74 dB SPL Sensitivity -30 dB ±3 dB / 0 dB=1 V/Pa, 1 kHz Connector 1/8″ / 3.5 mm Locking Mini Plug Cable Length 4.0′ / 1.2 m Dimensions Not Specified by Manufacturer Weight Not Specified by Manufacturer Packaging Info Package Weight 2.1 lb Box Dimensions (LxWxH) 11.2 x 9.5 x 2.2″ In the Box BOYA BY-WM8 Pro–K2 UHF Dual-Channel Wireless Lavalier System (576.4 to 599.9 MHz, 568.6 to 592 MHz) Dual-Channel Wireless Receiver. 2 x Wireless Bodypack Transmitters. 2 x Omnidirectional Lavalier Microphones. 2 x Foam Windscreens. 2 x Microphone Clips. Shoemount. 3.5mm to XLR Output Cable.
