audio technica / ATP-SP404 Hands-free megaphone

You can use it for various situations such as sport, and tourist guidance, etc. It is compact and lightweight.

■ Hands-free loudspeaker
■ Available time
When using AA NiMH battery: about 13 hours
When using AA alkaline batteries: about 12 hours
■ Weight: 375g
■ Belt adjustment range: approx. 55-120 cm
■ Notification distance
■ Voice: 63m
■ Whistle: About 40m
■ Reproduction frequency band: 200-18,000Hz
■ Operating temperature range: 0-40℃
■ Microphone input terminal: 2.5 mm monaural mini female
Outer input terminal: 3.5 mm stereo mini female
Outer dimensions: H109.5 x W189.3 x D56.7mm

Amplifier part
■ Maximum output
1.0W (AA AA NiMH battery x 4)
2.2W (AA alkaline battery x 4)
3.7W (when using the included AC adapter)
■Rated output
1.7W (AA NiMH battery x 4)
2.9W (AA alkaline batteries x 4)
3.3W (when using the included AC adapter)
■ SN ratio: 60dB
■ Current consumption (at 1W output): 320mA (3 AA NiMH batteries)

Speaker part
■ Speaker unit: φ76mm (full range)

Hands-free microphone part
■ Model: Electret condenser type
■ Unidirectional
■ Frequency response: 200-4,000Hz
■ Sensitivity (0dB=1V/Pa,1kHz): -35.5dB
■ Output impedance: 680Ω
■ Weight: 28g
■ Code: 1.2m
■ Connector: 2.5 mm monaural mini male (L type)
■ Accessories: Hands-free microphone, windscreen, belt, AC adapter, pouch, cord for connecting external devices 1.0m (3.5mm stereo mini/L type), AA NiMH battery x 4 1,900mAh (HR-3UTG)