615MHz-655MHz Ad4d Professional Wireless Microphone System Karaoke Microphone with 2 Handheld Microphone

• Style: Wireless Microphone
• Application: Music, Voice, Recording, Meeting, Measurement, Amplify
• Signal Transmission: Wireless
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: AD4D
• Directivity: Uni-direction
• Sound Channel: Mono
• Connector(s): XLR 3 Pin
• Wireless Technology: UHF
• Output Impedance: 50-1000Ω
• Microphone Type: Professional Wireless Microphone
• Communication: Wireless
• Microphone Name: Ad4d
• Frequency Range: 615MHz-655MHz
• Working Distance: 150m
• Colorblack, Silvery, Rose: Black
• Usage: Wedding, Small Stage Performance
• Warranty: Two Years
• Service: OEM ODM Support ;After-Sale Service
• Transport Package: Strong Packing
• Specification: 5.5kgs
• Trademark: Sinbosen
• Origin: Guangdong Province, China
• HS Code: 85181000
• Production Capacity: 1000 Units/ Month
• Package Size: 45.00cm * 50.00cm * 10.00cm
• Package Gross Weight: 6.000kg

Product Description

615MHz-655MHz Ad4d Professional Wireless Microphone System Karaoke Microphone with 2 Handheld Microphone
 

Frequency Range	615MHz-655MHz
Bandwidth	2X25MHz/4X15MHz
Modulation	Frequency Modulation (FM)
Oscillation mode	PLL (digital frequency synthesizer)
Speech pick-up head	Moving coil
Signal to Noise Ratio (S/N)	> 105dB (A)
Distortion (1 Khz)	<0.2%
Spurious suppression	≥90dB
Mirror suppression	≥90dB
Sensitivity	0dBuV
XLR output jack	250mV/600 Q
Unbalanced output (1/4"output jack)	400mV/K3 Q
Frequency stability	< 10ppm
Audio Frequency Response	50Hz- 18KHz
Dynamic range	> 100dB (A)
Working distance	150 meters(ideal environment)
Battery Specifications	2 (15V) AA alkaline batteries
Power Specifications	100-240V 50-60Hz (switch power adapter)

AD-4 Wireless Microphone Feature

- UHF 600MHz band, phase-locked loop (PLL) frequency synthesizer
- Infrared frequency, automatic synchronization lock the transmitter frequency
- The receiver automatically scans and locks the current environment is best to use free channels.
- Superheterodyne double conversion design, with a high receiver sensitivity
- Multi-level high-performance surface acoustic wave filters, with excellent anti-jamming capability
- Mute circuit specially designed to completely eliminate the microphone turned on and off the impact of noise
- Microphone dual step-up design, the battery down does not affect the transmit power
- The ideal environment for an operating radius of 150 meters, used in a variety of high demand occasions

Why choose us?

1.Two years warranty, free accessories.If there are quality problems,provide pictures or video, engineers judge the problem and provide after-sale support Products with CE ROHS certification.
2.We are 10 years manufature about professional audio speaker and power amplifier,4 years gold supplier on Alibaba.
3.Our engineers have 10 years work experience, very professional.
4.The product is light and suitable for performance and conferences.
5.There is no minimum order quantity limit ,you can choose to order 1pc or 1000000pcs.No limit about quality.
6.Products with CE ROHS certification.