The BY-WM8 Pro-K2 UHF Dual-Channel Wireless Lavalier System from BOYA includes a UHF dual-channel wireless receiver, two wireless bodypack transmitters, two omnidirectional lavalier microphones, two microphone clips and foam windscreens, a shoemount adapter, single 1/8″ to XLR output cable, single 1/8″ to 1/8″ output cable, and carrying case. This wireless system can be used to capture audio with two subjects simultaneously for interview, electronic news gathering (ENG), electronic field production (EFP), film, business, and educational applications.
Featuring an easy-to-read LCD display, wide switching RF bandwidth, PLL-synthesized tuning and digital companding circuitry, the BY-WM8 Pro-K2 system is equipped with 48 selectable UHF channels and offers broadcast-quality sound. Other features include: selectable stereo and mono modes, mute function, LCD-locked function, receiver headphone output for monitoring, and 300′ operation range.
BOYA BY-WM8 PRO Specifications
| 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 |
| 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) |
| 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) |
| 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 |
| Package Weight | 2.1 lb |
| Box Dimensions (LxWxH) | 11.15 x 10.45 x 2.25″ |
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