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Receiver: 60mmx 86mmx41mm (W/H/D), RF Modulation: GFSK (Gauss frequency Shift Keying), Frequency band: 2.4GHz (2405-2478MHz), (2.36x 3.3x 1.61 inches), 65mW, 1 KHz, Earphone output level: 32Ω, Battery life: Transmitter: Approx. 3.0 hours, Audio input connector: 3.5mm mini jack, Distortion: 0.1% or less (32Ω, Transmitter: 60mmx 86mmx28mm (W/H/D), RF output level: 2 mW, Signal/Noise: 76dB or more, Power requirements: 1.5V DC (One AA size battery), Consumption power: Transmitter: 1.5V/120 mA, Receiver: 1.5V/120 mA, 65mW output), Receiver: Approx. 3 hours, Reception sensitivity: -85dB +/- 3dB / 0dB=1V/Pa, Frequency response: 35Hz-14KHz±3dB, Transmitter: 136g (4.37oz) (Without battery), Receiver: 152g (4.89oz) (Without battery, Weight: , 1kHz, (2.36x 3.3x 1.1 inches), Dimensions: , Operation range: 25m (80ft.)
Aliexpress
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Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($80.99): BGAFF10OFF
2. ($80.99): bGhOnEy10
3. ($80.99): bgshOOp10
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 417ee4
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Boya BY-WM4 Mark II Wireless Microphone System.
Price records source(s): Banggood
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).