BOYA BY-WM4 PRO Digital Camera-Mount Wireless Omni Lavalier Microphone System (2.4 GHz)
Key Features
- For Video, Vlogging, YouTube, Instagram
- Omni Lavalier Mic
- Bodypack Transmitter
- Compact Dual-Channel Receiver
- Easy to Use, Plug & Play Operation
- Adjustable Gain, Headphone Monitoring
- 3.5mm Cables for Camera & Mobile Device
- Runs up to 11.5 Hours on AAA Batteries
- 8 Systems at Once Max, Up to 200' Range
BOYA BY-WM4 PRO Specs
System
| Wireless Transmission | Digital 2.4 GHz |
| Included Transmitters | 1 x Bodypack with Microphone |
| Diversity | Non-Diversity |
| RF Frequency Band | 2405 to 2478 MHz |
| RF Channel Scanning | Auto-Scan |
| Max Operating Range | 196.9' / 60 m (Line of Sight) |
| Max Systems per Setup | 8 |
| Encryption | None |
| Modulation | GFSK |
Receiver
| Form Factor | Camera-Mount |
| Mounting Options | Belt Clip, Shoe-Mount (with Included Hardware) |
| Number of Audio Channels | 2 |
| Audio I/O | 1 x 1/8" / 3.5 mm TRS Female Balanced Line Output 1 x 1/8" / 3.5 mm TRS Female Balanced Headphone Output |
| Frequency Response | 35 Hz to 14 kHz |
| Word Clock I/O | None |
| Power Requirements | Battery |
| Battery Type | 2 x AAA |
| Approx. Battery Life | 11.5 Hours |
| Display & Indicators | LED (Battery Status, Power, Sync, Transmitter Battery Status) |
| Dimensions | 1.8 x 2.8 x 1.4" / 45 x 70 x 35 mm |
| Weight | 1.7 oz / 47 g |
Transmitter 1
Transmitter
| Form Factor | Bodypack with Microphone |
| RF Output Power | 3 mW |
| Audio I/O | 1 x 1/8" / 3.5 mm 3-Pin Female Input |
| Included Cable Connector | 1/8" / 3.5 mm TRS |
| Auto-Level Control | No |
| Approximate RF Sensitivity | -90 dB |
| Power Requirements | Battery |
| Battery Type | 2 x AAA |
| Approx. Battery Life | 11.5 Hours |
| USB/Lightning Connectivity | None |
| Display & Indicators | LED (Battery Status, Power, Sync) |
| Dimensions | 1.8 x 2.8 x 1.4" / 45 x 70 x 35 mm |
| Weight | 1.7 oz / 47 g |
Microphone
| Form Factor | Lavalier |
| Sound Field | Mono |
| Polar Pattern | Omnidirectional |
| SNR | 84 dB |
| THD | 0.05% |
| Output Connectors | 1 x 1/8" / 3.5 mm 3-Pin Male |
General
Packaging Info
| Package Weight | 0.71 lb |
| Box Dimensions (LxWxH) | 6.8 x 4.6 x 2.2" |
BOYA BY-WM4 PRO-K2 Two-Person Digital Camera-Mount Wireless Omni Lavalier Microphone System (2.4 GHz)
Key Features
- For 2-Person Videos, Interviews, YouTube
- 2 x Omni Lavalier Mic
- 2 x Bodypack Transmitter
- Compact Dual-Channel Receiver
- Easy to Use, Plug-and-Play Operation
- Adjustable Gain, Headphone Monitoring
- 3.5mm Cables for Camera & Mobile Device
- Runs up to 11.5 Hours on AAA Batteries
- 8 Systems at Once Max, Up to 200' Range
BOYA BY-WM8 Pro-K2 UHF Dual-Channel Wireless Lavalier System (576.4 to 599.9 MHz, 568.6 to 592 MHz)
Key Features
- Dual-Channel Wireless Receiver
- 2 x Wireless Bodypack Transmitters
- 2 x Omnidirectional Lavalier Microphones
- 48 Selectable UHF Channels
- Mic and Line-In, Plus Mute Function
- Easy-to-Read LCD Displays
- Selectable Mono and Stereo Modes
- Headphone Monitor Output on Receiver
- Powered by Two AA Batteries
- Includes Mic Clips and Foam Windscreens
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) | 11.15 x 10.45 x 2.25" |
