SHOW WDA-281D

SHOW WDA-281D Portable wireless teaching system 8″ woofer & 1″ tweeter 45W RMS + Wireless mic + CD MP3

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Dual channel/ Frequency band:VHF 220~245MHz

80W (RMS) AC/DC12V power supply

45W (RMS) internal battery supply

8″ paper cone woofer/ 1″ Tweeter

Voice priority function

Optional module :

MP3-400 module with USB/SD/MMC reader with “RECORDING” function

CD-200: CD module with MP3 reader function

TM-100 Tuner mudule, Cassette recorder player sources selectable

GENERAL DESCRIPTION:

SHOW designs the new light weight and high power WDA-281 portable wireless teaching system. It is built-in 8″ woofer & 1″ tweeter, rechargeable battery and single/ dual ch wireless system.

Selectable input sources fit different demands of users. It can easy be used indoor/ outdoor with wire/ wireless mic. Through AC/ internal battery and generate 80W/ 45W RMS output power.

* Front panel LED ladder displays the internal battery recharged status

* Built-in VHF Module: WTU-211

* Microphone option: Handheld Mic.: VXM-298TS

* Frequency band: 230.32~245.82MHz

* Frequency response: 50Hz~15kHz

FEATURES:

Innovative Class-D power amplifier technology

ingle channel: VHF: WDA-281D/ WDA-281UD/ WDA-281CTD

PLL UHF: WDA-881D/ WDA-881UD/ WDA-881CTD

Dual channel:VHF: WDA-282D/ WDA-282UD/ WDA-282CTD

PLL UHF: WDA-882D/ WDA-882UD/ WDA-882CTD

Frequency band:VHF: 220~245MHz

VHF Frequency response: 50Mz~15KHz

PLL UHF: 470~900MHz (depends on applicable country regulations)

(Built-in 16 channel frequencies)

Rechargeable battery backup with 3hrs of duration after full charged

80W (RMS) AC/ 12DC Power supply

45W (RMS) Internal battery supply

8″ cone paper woofer/ 1″ Tweeter

MP3 readable CD player with USB reader/ Tuner/

Cassette internal sources selectable

Model

WDA-281 SERIES

Item No

WDA-281D/ 281UD/281CTD

Channel

Single-channel

Speakers

Woofer:8″ cone paper, 4ohm

Tweeter:1″ , 6ohm, 25W

Output power

AC power supply /

External 12V dc: 80W (RMS)

Internal battery supply

45W (RMS)

Frequency response

50~15KHz( ± 3dB)

S/N Ratio

Mic 5dB Line0dB

Input/sensitivity

Mic:-50dB Line:-20dB

T.H.D.

%

Controls

1 master volume control

treble/bass tone control

individual volume control for each module and input

Dimensions

277(W) × 256(D) × 415(H)mm

(8.5” × 10.87” × 14.96” )

Weight

15.5kg(Approx)