TOA ER 604W Shoulder Type Megaphone


TOA ER-604W is a compact, lightweight shoulder-type megaphone with whistle signal. It's close-talking microphone has a handy-to-operate volume control and press-to-talk switch.


TOA ER604W Shoulder Type Megaphone

* 0 dB = 1 V
Power SourceR6 battery × 8 (12 V DC)
12 V DC/0.8 A or more (AC adapter or DC power supply unit usable)
Rated Output6 W
Maximum Output10 W
Battery LifeVoice: Approx. 10 hours (R6P manganese dioxide battery use)
Whistle: Approx. 30 minutes (continuous use)
Audible RangeVoice: 160 m (under noise level of 55 dB)
Whistle: 160 m (under noise level of 55 dB)
MicrophoneClose-talking type, press-to-talk switch, volume control
Fixed to the microphone hanger on the unit's top panel
SignalWhistle, push switch activation
InputMIC 1: -40 dB*, 1.5 kΩ, φ6.3 phone jack
MIC 2: -18 dB*, 3 kΩ, φ3.5 mini jack, phantom powering
AUX (auxiliary): -12 dB*, 18 kΩ, φ3.5 mini jack
External power supply: 12 V DC
Note: MIC1, 2, and AUX inputs can be used at the same time. However, their individual
volume cannot be adjusted as the unit's volume control is common to those inputs.
Other FunctionVoice switch (functions to activate the unit with external input signals, and to make
the unit in stand-by status with no external signal.)
Battery check
Operating Temperature-10 ℃ to +40 ℃
FinishBody, microphone: ABS resin, off-white
Shoulder pad, belt: Black
Dimensions102 (W) × 258 (H) × 216 (D) mm (excluding shoulder belt)
Weight1.6 kg (without batteries)
Accessoryφ3.5 mini plug…1, External power supply cord (1 m)…1
OptionHeadset microphone: WH-4000A, WH-4000H
Dynamic microphone: DM series
Speaker stand: ST-16A

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See Also : Megaphone, TOA