WEISRE U-3316 Professional UHF Wireless Dual Microphone KTV Karaoke System

: In stock

: Addictronics

$145.85 Regular price $179.00

Features:  UHF band signal transmission design to avoid frequency interference, dual channel design, you can use two hand-held microphones without disturbing each other, cardioid pickup patterns provides high-quality,...



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UHF band signal transmission design to avoid frequency interference, dual channel design, you can use two hand-held microphones without disturbing each other, cardioid pickup patterns provides high-quality, crisp sound and make sure the perfect recording vocals
Environmentally rechargeable Ni-MH battery (not included) is large capacity, long life and cycle charge hundreds of times to solve the long-troubled replacement battery problem.
High performance low power transmission technology, high sensitivity UHF narrow band high-frequency receiver, broad frequency response range, low distortion
Perfect tone output, professional exterior design,can match for tuning equipment,suitable for KTV, TV singing, karaoke, home entertainment and other occasions 
System Specifications:  
Audio range: 620-950MHz
Modulation: Broadband FM
Available bandwidth: 25MHz
Number of Channels: Infra-red automatically tunes 100 channels
Frequency stability: ±0.005%
Dynamic range: >110dB
The peak frequency deviation: ±45KHz
Audio response: 60Hz-18KHz(±3dB)
Integrated signal to noise ratio: >105dB
Total distortion: <0.5%
Receiver Specifications: 
Receiver mode: the second conversion superheterodyne
IF frequency: the first IF: 110MHz,the second IF: 10.7MHz
Wireless interface: BNC seat
Sensitivity: 12dB(80dBS/N)
Noise suppresion threshold: 0-4dBV
Spuious suppression: >80dB
Audio output: unbalanced: +4dB(1.25V)/5KΩ
Balance: +10dB(2.5V)/600Ω
Powewr supply voltage: DC11-16V(rated 12V)
Current: single recevier,less than 200mA,dual receiver,less than350mA
Transmitter Specifications: 
Output power: 10mW/3mW(HI/LO conversion)
Spurious suppression: -60dB
Power supply: 2 x AA batteries(not included)
Current: <110MA(HF)<80WA(LF)
Use time(alkaline batteries): high-power launch time of about 8 hours,low-power launch time of about 12 hours.
Package Included: 
1 x User Manual
1 x US Power Adapter
1 x Receiver
2 x Transmitters
2 x Brackets
1 x Audio Cable
2 x Antennas

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.