TOA / WA-2800 Wireless amplifier

A speaker with built-in amplifier that supports a standard wireless microphone. Can be used in a wide range of applications such as conference rooms, school classrooms, and events.

■ Wireless amplifier, diversity tuner unit
■ Power supply: AC100V, 50 / 60Hz
■ DC power supply: Single 2 form dry cell X 10 (DC15V), nickel metal hydride rechargeable battery WB-WA2000 (sold separately), vehicle battery (using accessory socket connection cable YR-WA2000 (sold separately))
■ Rated output: AC: 22W (when using the main unit or external speakers alone), 18 W + 18W (when using the main unit and external speakers simultaneously)
■ DC: 18W (when using the main unit or external speakers alone), 15W + 15W (when using the main unit and external speakers simultaneously)
■ Maximum output: 30W (at AC, when using the main unit or external speaker alone)
■ Power consumption / current: AC: 60W (main body / external speaker simultaneous use, rated output), AC: 20W, DC: 550mA (main body / external speaker simultaneous use, according to the Electrical Appliance and Material Safety Law)
■ Receiving frequency: 806.125 to 809.750MHz (select from B type 30 waves)
■ Charging method: NiMH rechargeable battery: 0.25C rapid charge (4 hours charge)
■ Battery duration: AA dry cell: about 15 hours (alkaline dry cell), NiMH rechargeable battery: about 12 hours
■ Frequency characteristics: 50Hz to 15kHz (+ 1dB to -3dB)
■ Distortion rate: 1% or less (1kHz 10W output)
■ Sound quality adjustment: Scene mode (language learning, dance, speech, standard)
■ Input:
Wireless microphone Wireless 1, 2, 3
Wired microphone Wired microphones 1, 2: -48 dB (* 1) 600Ω unbalanced φ6.3 horn jack (2P)
External input -10dB (* 1) 5kΩ unbalanced RCA pin jack, -22dB (* 1) 2kΩ unbalanced stereo mini jack
* Stereo signals are mixed and output in monaural.
■ Output
Speaker: 20 cm double cone type full range + piezo tweeter, external speaker: 4 to 16 Ω rated input 22 W or more push terminal
* Switchable between "external and main speaker simultaneous use" or "external speaker independent use"
Line output 0 dB (* 1) 5 kΩ unbalanced φ6.3 horn jack (2P)
Input / output: WA link unbalanced φ6.3 horn jack (2P)
■ SN ratio: 70 dB or more (rated output ratio)
■ Antenna: Built-in antenna
Tuner unit: WTU-1820, WTU-D2800: 3 units in total (1 unit built in WTU-1820)
* For the WTU-1820, use the analog method and for the WTU-D2800, use the digital method.
■ Operating temperature range:
-10 ℃ ~ +50 ℃ (AC operation, when using the vehicle battery)
0 ° C to + 50 ° C (when using dry batteries or NiMH rechargeable batteries)
0 ℃ to + 40 ℃ (when charging Ni-MH rechargeable battery)
■ Operating humidity range: 30% to 85% RH (However, no condensation)
■ Finish:
Front center: Black (Munsell N1.5 approximate color) painted
Others: ABS resin cool gray (Munsell N8.5 approximate color)
■ Dimensions and weight: 298W x 460H x 220Dmm (when the handle is stored), 5.5kg
■ Accessories: Dust cover x1, Color mark x1, Setting driver x1