BOYA BY-WM4 PRO K1 Dual Channel Wireless Radio Microphone [Licensed in Hong Kong]
Inventory: In stock (estimated to ship within one business day)
Delivery and shipping fees (Free shipping on orders over HK$500)
International Shipping
Free-shipping thresholds · Power Bank surcharge
Hong KongFREE
SF Locker: Free for all orders · Door-to-door: Free over HK$500
Macau
Free shipping on orders HK$800+ (2-3 business days)
Australia (6-12 business days depending on area or zone)
Free over AU$100 · Flat AU$9.99 below
United Kingdom 0-3kg (3 - 5 business days); 3kg+ (5 - 8 business days)
Free over £40 · Flat £6.99 below
Singapore (5 - 8 business days)
Free over S$40 · Flat S$9.99 below
European Union (6 - 10 business days)
Free over €49 · Flat €9.99 below
Malaysia (6 - 10 business days)
Free over RM40 · Flat RM9.99 below
🇦🇺Australia — Power Bank
| Weight | Fee |
|---|---|
| 0 – 0.51 kg | AU$ 24.39 |
| 0.51 – 1.01 kg | AU$ 36.99 |
| 1.01 – 1.51 kg | AU$ 55.99 |
🇬🇧United Kingdom — Power Bank
| Weight | Fee |
|---|---|
| 0 – 0.51 kg | £ 9.99 |
| 0.51 – 1.1 kg | £ 15.99 |
| 1.1 – 1.51 kg | £ 22.99 |
🇸🇬🇲🇾SG / Malaysia — Power Bank
| Weight | Fee |
|---|---|
| 0 – 0.51 kg | SGD 18.99 |
| 0.51 – 1.01 kg | SGD 23.99 |
| 1.01 – 1.51 kg | SGD 27.99 |
🇮🇪Ireland — Power Bank
| Weight | Fee |
|---|---|
| 0 – 0.51 kg | € 26 |
| 0.51 – 1 kg | € 39 |
| 1 – 1.51 kg | € 51.99 |
🇨🇦Canada — Power Bank
| Weight | Fee |
|---|---|
| 0 – 0.51 kg | CA$ 37.05 |
| 0.51 – 1.01 kg | CA$ 58.33 |
| 1.01 – 1.51 kg | CA$ 82.41 |
⚡ Express Shipping — free option available, refer to checkout.
📦 Heavy / Oversized items (e.g. water dispenser) — contact customer service for a custom freight quote.
Warranty
Maintenance Terms and Conditions / Warranty Information
DIGIBAL Official Warranty Coverage
This product is Authentic Hong Kong goods, enjoy Original factory one-year warranty (Unless otherwise specified on the product page). Customers must keep this information safe. Purchase receipts and products Hong Kong distributor of skin care stickers (It is recommended to take photos for record-keeping). If the product malfunctions during the warranty period, the customer must...Contact the Hong Kong general agent directly. Arrange for testing and repair.
🌏 Overseas (US / CA / UK / SG / AU)
All products are Hong Kong official versions supplied with a UK-style 3-pin plug. Travel adapters are not included. Warranty coverage ranges from 1 to 2 years, with all servicing performed in Hong Kong. Local return warehouses available in Australia, UK and USA.
Contact CSProvide photos/videos
Submit photos/videos
Local ReturnShipping costs are paid by the customer first.
Customer pays upfront
Ship to HK Maintenance arranged by the company
Warranty processed
Reimbursement Full refund upon presentation of receipt
Full refund of postage
Overseas customers may choose between the following two options:
For other countries, please contact customer service for a return address.
- Dual-channel wireless receiver
- Digital 2.4GHz frequency band
- Very clear sound pickup
- Compatible with mobile phones, DSLR cameras, camcorders, computers, and other devices
- Lightweight and portable
- Omnidirectional lavalier microphone
- Hard-shell carrying case
- Equipped with a standard camera cold shoe mount and clip
- Unobstructed operating range of up to 60 meters
- The transmitter and receiver each require two AAA batteries
Product Specifications:
RF modulation: Gaussian frequency-shift keying
Frequency band: 2.4GHz (2405-2478MHz)
Frequency response: 35Hz-4KHz±3db
Signal-to-noise ratio: Greater than 84dB
Distortion: Less than 0.05%
RF output power: 3mW
Headphone output: 32Ω, 65mW
Sensitivity: -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
Audio input: 3.5mm stereo mini jack
Operating range: 60m (unobstructed distance)
Battery type: AAA x2
Power consumption: Transmitter: 3V/70mA ; Receiver: 3V/70mA
Dimensions: Transmitter: 45x70x35mm ; Receiver: 45x70x35mm
Weight: Transmitter: 47g ; Receiver: 47g
Warranty
One-year warranty
1-year warranty. Warranty period is subject to the statutory requirements of the local country.（保養年期以當地國家法例要求基礎為準）
