TD-900D(人气: 241) 
Release time:2018-07-05

Main functions:

Use UHF640-690MHz frequency band to avoid interference frequency

Full automatic microphone work channel scan

Full automatic non interference channel scanning

Full information LCD display can display high frequency intensity, audio frequency, channel frequency and so on.

Double microphone design, which can be performed by two people at the same time

Hand-held microphone stealth antenna, beautiful and practical

The true diversity receiver circuit is designed to ensure fast and effective dead distance elimination.

Using the latest high frequency surface acoustic wave filter to maximize the removal of the external interference signal.

The design of high frequency circuit with two frequency conversion has very high sensitivity, about 3uV

Multiple squelch control circuit, no external interference to open the native squelch system.

Specially designed speech compression expansion circuit, greatly improving the signal-to-noise ratio.

The unique voice pressure limiter design, singers sing hard will not crack.

Using excellent moving coil type heart type directional head, the timbre is clear and bright.

High quality parts, precise and reasonable circuit design and reliability are greatly improved.

Efficient design of battery energy consumption, so that the microphone can be used for 20 hours continuously (AAA battery).

Using the high gain antenna, the effective opening distance can reach 100 meters.

Complete input and output interface, easy to connect various devices.

Beautiful streamlined appearance and comfort

Standard 19 inch installation dimensions

Dedicated to stage and KTV extremely demanding occasions: carrier frequency: UHF470-960MHZ

Frequency stability: + 0. Frequency control of 005%, PLL phase locked loop

Signal to noise ratio: >105db (1KHZ-A)

Adjacent channel interference ratio: 250KHZ

Dynamic range: total distortion rate /T.HD. (1KHZ) <0.590@1KHZ

Harmonic distortion:

Type: FM modulation

Polarity pattern: 12VDC.600MA

Frequency response: 50HZ~15KHZ + 3dB

Microphone sensitivity: RF power output: 10MW

Reception sensitivity: -105dbM (12DB S/NAD)

Audio output: 300mV

Temperature range: -10 degree, +80 degree

Handheld dynamic range: >110db