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Wireless Amplifier - WMA-268B

Product Name: 22 Watt Output Rechargeable Portable Teaching Wireless Amplifier (WMA-268B)

Description:
Be honored with Taiwan Symbol of Excellence in 1999 & Millennium Golden Award in 2000.
Obtain approval FCC from USA, and CE from EU of twenty-five countries. Own two patents and well-designed with stable quality, which is popular among the teachers and sold more than 50,000 sets all over the world.


Character:

  1. With 22 Watt high power output.
  2. With built-in rechargeable battery, after full charging, it could be operated more than 10 hours.
  3. With auto-switching between AC/DC, it is flexible for indoor teaching or outdoor activities.
  4. Manufactured by automatic SMT production and SMD device with excellent quality.
  5. With patent circuit design and level controlled squelch, there are more than 200 frequency bands allowed to be used, and no interference will be happened when they work simultaneously.
  6. The high sensitive lapel clip-on microphone performs the best audio result; even it is 30cm far from the mouth. There is the hand-held microphone could be chosen.
  7. Quartz locked ensures no draft.
  8. The space of patent design for replacing transmitter, and there are two plugs for Mic-In and Signal-Out at the rear for recording or connecting with high power amplifier.

Specifications:

>Frequency range: VHF 160-270Mhz

>Power : 110V/220V AC

>Audio output: 22 Watt

>Dimension : 21cm(W) x 29cm(H) x 12cm(D)

> Weight : 2.7 kg

Receiver

Transmitter

Item

Item

Clip-On

Hand-held

Modulation

FM

RF power

10mW

10mW

Sensitivity

<10 dBuv

Stability

+/- 0.005%

(Quartz locked)

+/- 0.005%

(Quartz locked)

Oscillation

Quartz locked

Deviation

+/- 20K Hz

+/- 20K Hz

T.H.D

Below 0.1%

Spurious

Emission

More than 30dBm

(Below carrier level)

More than 40dBm

(Below carrier level)

MiddleFreq

10.7 MHz

Charge Protection

Auto-off when charge is full

Battery

9V Alkaline x 1
(8 hours)

AA 1.5V x 2

(16 hours)

Output Power

22W

Current

<30mA

<40mA