Description
Features：
Volume: Adjust To Desired Audio Output Level
Amplifier On / Off: Switch On To Increase Audio Output Level
Note: Install One AAA / UM-4 / R3 Battery (Battery not included) To Power
the Optional Internal Audio Amplifier Only Connect To Headphone Jack,
As Connection To Higher Output Speaker Connection Will Cause Damage.
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Specification：
- Listen to Audio Devices with comfort and privacy
- In-Line Volume Control
- Built-in Power Amplifier to Enhance the Audio Output Level
- Switch Off Built-in Amplifier To Power Speaker Directly
Volume: Adjust To Desired Audio Output Level
Amplifier On / Off: Switch On To Increase Audio Output Level
Note: Install One AAA / UM-4 / R3 Battery (Battery not included) To Power
the Optional Internal Audio Amplifier Only Connect To Headphone Jack,
As Connection To Higher Output Speaker Connection Will Cause Damage.
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Specification：
- Speaker : 57mm 16 ohm 50mW full range
- Amplifier output power: Typical 50mW 16 ohm
- Input impedance: 200 ohm
- Frequency response : 100Hz ~20kHz
- Maximum input power: 50mW (amplifier OFF)
- Input sensitivity: 500mVrms