TD-220

 

TD220 is our high end microphone line-up that contains 2 microphones and a receiver. TD220 provides provide high professional without any interference, suitable for Karaoke or conferencing. It is wireless, anti-noise, energy efficient, dual channel, has superior range and only requires simple setup.

Wireless and Noiseless

Wireless

TD220 microphone using wireless connection between the microphone and receiver to transmit audio signal. Frequency is synchronised via infrared, PLL synthesised technique and digital pilot technique to ensure a stable connection.

Anti-Noise

TD220 microphone adopts electronic volume control to allow more precise volume control and an end to the resistance of the potentiometer noise so that the audio would be more clear and enjoyable.

 

Energy Efficient and Dual Channel

Energy Efficient

TD220 microphone contains a LED display that indicates the system volume, battery, channel of A/B switch, work frequency, receiving distance gear and the system lock. Despite all of the monitoring, energy consumption is optimised so that not intense energy drainage would occur even in long sessions.

Dual Channel

Dual channel independent inquiry system for minimizing off frequency. This makes the connection between the microphone and the receiver more stable and with less interference.

Superior Range and Simple Setup

Superior Range

TD220 microphone automatically search for the cleanest available channel without the need of manually changing the channel if there is any interference in the channel or the signal strength is weak.

Simple Setup

Microphone LED display shows a red voltage alarm when the transmitter battery's voltage is low so that users would know when to change the battery or know why the microphone is not functioning.

WIRELESS

Synchronizing frequency between receiver and transmitter via infrared, PLL synthesized technique and digital pilot technique.

SIMPLE SETUP

Display shows a red voltage alarm when the transmitter battery voltage low.

ENERGY EFFICIENT

LED display indicates the system volume, battery, channel of A/B switch, work frequency, receiving distance gear and the system locked key etc.

DUAL CHANNEL

Dual channel independent inquiry system for Minimize off frequency

ANTI-NOISE

System adopts electronic volume control so that higher precision and put an end to the resistance of the potentiometer noise.

SUPERIOR RANGE

Automatically search for the cleanest channel.

 

Specification

Transmitter

Microphone Material

Aluminium Alloy Tube

Oscillation Mode

PLL (Phase Locking Loop)

Frequency Band

UHF740MHz~790MHz

Frequency Width

50Mhz

Frequency Regulation

Automatic lock receiver working channel / manual regulation

Output Power

15mW

Harmonic Radiation

< 55 dBc

Max Deviation

±48Hz

Sound

Moving-Coil

Battery

2 * AA

Operation Display

LCD Display Battery Capacity and Channel

Receiver

Operating Frequency

740-790MHz

Receiver Mode

Intermediate-frequency Superheterodyne Structure with Twice Conversions

The First Intermediate Frequency

100 MHz

The Second Intermediate Frequency

10.7 MHz

Squelch Limited

0-40dB

Spurious Noise Suppression

>80dB

Audio Output

Unbalance +4Db(1.25V)/5KΩ

Balance +10Db(2.5V)/600Ω

Power Supply

DC11-16V(Rate 12V)

Electricity

Single Receiver, <200mA

Double Receiver, <350mA

 

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