Asing 2.4G Wireless voice enhancement device
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2.4G Wireless Voice Ehancement Device
(WHM G2401B) It consists of the following: 1) Transmitter with headset 1 pc 2) Receiver 1 pc 3) Link Cable 1 pc 4) USB Charging Cable 1 pc 5) User Manual 1 pc This Voice Enhancement Device is light, portable, easy to use device. It is a quick fix audio device used in Public Speaking Environment, Teaching, Presentation and etc. It can be connected to Karaoke Pre-amplifier, Audio Mixer, Loud Hailer or any equipment with Microphone input. |
SPECIFICATION
Frequency Response 20Hz - 20kHz
Reception Range ≤15m Battery Rechargeable Lithium Battery Working Voltage 2.8V - 5V Working Current 30mA (Receiver); 60mA (Transmitter) Transmitter Power 8dbm Sensibility 89dbm SNR 95db Operation Time Max 8 Hours (Receiver) Max 6 Hours (Transmitter) Charging Time ~ 1 Hour Dimension 43.5 x 56.5 x 16.5mm (Receiver) 50.2 x 60 x 16mm (Transmitter) Weight 23g (Receiver) 34g (Transmitter) |
DOCUMENT - Specification & Instruction Guide
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classroom audio enhancement device
UHF QUAD WIRELESS HEADWORN MICROPHONE DEVICE
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UHF Quad Wireless Headworn Microphone Device (WHM U41B)
It consists of the following: 1) Transmitter with headset 4 pcs 2) Receiver Set 1 Unit 3) Antenna 4 pcs 4) 6.35mm/3.5mm to 3.5mm Audio Cable 1 pc 5) XLR (F) to 3.5mm Audio Cable 1 pc 6) 3-Port USB Charger 1 pc 7) USB Charging Cable 2 pcs 8) User Manual 1 pc This Device adopts Pi/4DQPSK digital modulation/demodulation mode and all-digital wireless audio transmission to ensure high-fidelity sound quality and stable transmission. It is divided into two parts: receiver and transmitter. The receiver uses 3.5mm\ 6.35mm audio cable to connect with amplifier, mixer and speaker. The transmitter can be worn on the head, can be hand-held, and is compact and convenient to carry. It is powered by a lithium battery, and the sound quality is clear without distortion. |
SPECIFICATION
Frequency Range 620-669 MHz (Approved IMDA)
Frequency Response 30Hz - 20KHz Reception Range 50m Lithium Battery Capacity 400mA(Receiver); 300mA (Transmitter) Working Voltage 3.3V ~ 4.2V Working Current 370mA (Receiver); 85mA (Transmitter) Transmission Power 10dBm Modulation Mode Pi/4DQPSK digital modulation Adjustable Range ±20ppm No. of Channels 10 Audio Delay 3ms Microphone Spec Anti-strong capacitive single-pointing Automatic Sleep 3 mins without sound input Static Current after sleep 300uA Low Voltage 3.3V, Blue light flashes Output Interface 6.35MM and 3.5MM interface output Operation Time ~9 hours (Receiver); ~3.5 hours (Transmitter) Charging time ~6 hours (Receiver); ~2 hours (Transmitter) Dimension 160 x 100 x 27mm (Receiver); 50.2 x 60 x 16mm (Transmitter) Weight 491.5g (Receiver with Antenna); 37g (Transmitter with headworn |
DOCUMENT - Specification & Instruction Guide
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