TOA / WA-2800SB

This portable wireless amplifier is equipped with a digital amplifier with a rated output of 22 W. It can play sound sources on SD cards, USB memory devices, and Bluetooth-connected smartphones.

■Wireless Amplifier
■ Power supply:
AC 100 V 50/60 Hz
DC power supply: AAA alkaline batteries x10 (15 V DC)
Nickel-metal hydride rechargeable battery WB-WA2000 (sold separately)
Car battery (with accessory socket connection cable YR-WA2000 (sold separately))
■Rated output
During AC: 22W
22W (when using main unit or external speaker alone)
18W+18W (when main unit and external speakers are used simultaneously)
DC: 18W (when main unit or external speaker is used alone)
18W (when main unit or external speaker is used alone)
15W+15W (when main unit and external speakers are used simultaneously)
■Maximum output power:
30W (AC, when main unit or external speaker is used alone)
30W (AC, when main unit or external speaker is used alone)
■Power consumption/current
AC: 72W (main unit and external speaker used simultaneously, at rated output)
AC: 30W, DC: 1.25A (when main unit and external speaker are used at the same time, according to the Electrical Appliance and Material Safety Law)
■Receiving frequency:
806.125~809.750MHz (selected from 30 B-type waves)

■Battery life(*1)
AAA alkaline batteries: approx. 12 hours, rechargeable nickel-hydrogen batteries: approx. 7.5 hours
■Frequency response: 50Hz to 15kHz (+1Db to -3dB)
■Distortion:
Less than 1% (at 1kHz 10W output)
Sound quality control: Scene mode (language study, dance, speech, standard)
■Input:
Wireless microphone:.
Wireless 1, 2, 3 *One of the circuits is shared with Bluetooth unit (sold separately)
Wired Microphone: Wired 1, 2
Wired Microphone 1, 2: -48dB(*2) 600Ω unbalanced φ6.3 horn jack (2P)
External Input: -10dB(*2)
-10dB(*2)5kΩ unbalanced RCA pin jack
-22dB(*2)2kΩ unbalanced stereo mini jack
Stereo signals are mixed and output in monaural.
■Output
Speakers:
Main unit speaker: 20cm double cone full range + tweeter
External speaker: 4 to 16Ω rated input of 22W or more Push terminal
*Switchable between “simultaneous use of external and main speakers” or “use of external speaker alone
Line output: 0dB(*2) 5kΩ unbalanced φ6.3 horn jack (2P)
■Input/output: WA link unbalanced φ6.3 horn jack (2P)
SN ratio: 70 dB or better (relative to rated output)
Antenna system：Built-in antenna
■Tuner unit:
WTU-1820, WTU-D2810, WTU-BT01: 3 units in total (WTU-18201 unit built-in)
*WTU-BT01 is limited to 1 unit
■SD/USB section:
MP3(MPEG-1AudioLayer-3)
Sampling frequency: 32kHz/44.1kHz/48kHz, Bit rate: (*5)
WMA(WindowsMediaAudio)
Sampling frequency: 44.1kHz/48kHz, bit rate: (*6)
Variable speed range: approx. -15% to approx. +20
Recording file format: MP3 (MPEG-1AudioLayer-3) mono
Sampling frequency: 48 kHz, Bit rate: 128 kbps
Functions: single track repeat, all track repeat, A-B repeat, variable pitch hold speed
■Bluetooth unit section:
Communication distance: Max. 10m(*7)
Supported profile: A2DP
Supported codec: SBC
■Operating temperature range:
-10°C to +50°C (AC operation, when using in-vehicle battery)
0°C to +50°C (with alkaline batteries or NiMH rechargeable batteries), 0°C to +40°C (with NiMH rechargeable batteries)
■Operating humidity range:
30% to 85%RH (with no condensation)
■Finish:
Front center: Black (Munsell N1.5 approximate color) paint
Others: ABS resin cool gray (Munsell N8.5 approximate color)
■SIZE：298(W)X460(H)X220(D)mm(with handle retracted)
■WEIGHT：6.3kg
■Accessories:
Dust cover x1, Color mark x1, Screwdriver for setting x1