Wireless 621.5MHz-643.7MHz Handheld 4 Channels Microphone for Meeting Conference EU Plug

About this item

• Features: Suppression circuit, shock elimination circuit during switch, adopts anti-return circuit slow-change output control technology, computer EDA, analog online auxiliary design, etc. Four channel volume is independently adjustable, providing 1+4 o output, and it can be simultaneously used by stacking 5 different frequency points. The original technology includes high-efficiency low-loss RF emission technology and SMT production process in the United States, and uses locking frequency of better than 10ppm quartz crystal, dynamic o compression, expansion circuit, and image frequency. This product adds several new domestic unique technologies based on the original microphone technology, which makes the system have ultra-high sensitivity, strong anti-interference ability and excellent stability. The frequency is fixed, it can be used at boot, very convenient. The microphone consumes 100mA and is powered by 2x1.5V battery, it can be continuous used for 8 hours. Specification: Material: ABS Size: Approx. 42x20x4.2cm16.54x7.87x1.65inch Standard: US, UK, EU(optional) Name: Wireless 4 Channels handheld microphone Model: SM-58G Battery: 2xAA (not included) IF-FRE: First 110MHz, Second 10.7MHz Wireless Interface: BNC50ohms Sensitivity: 12dBMicrovolt (80DbSN) Sensitivity Adjustment Range: 12-32 dBMicrovolt Stray rejection: more than 75dB Max output level: +10dBV Transmitter Parameter: Wireless Program: Built-in spiral antenna for handheld microphone Wireless Pattern: Output Power: High power High power 30mW; low power Low power 3mW Stray rejection: -60dB Duration Time: more than 8 hours(30mW), more than 12 hours(3mW) Use distance: Open environment: Approx. 50-80m164.04-262.47ft, Complex environment: Approx. 30-40m98.43-131.23ft Package List: 1 x Transmitter 4 x Microphone 2 x Antenna 1 x Instructions 1 x o Cable 1 x Power Adapter 4 x Fixed Ring 2 x Holder