audio technica / AT9903

This ultra-compact, lightweight microphone features a two-way design that can be worn on the body or placed on a table.

■Monaural back electret condenser type
■Omnidirectional
■Frequency response: 30-18,000Hz
■Sensitivity: -42dB (0dB=1V/1Pa, 1kHz)
■Output impedance: 1.5kΩ
■Power supply: Battery/plug-in power compatible
(Plug-in power compatible voltage: 2-5V)

Battery life: Approximately 500 hours (continuous use)
■Dimensions: Microphone: φ6.4×18mm (head diameter x total length)
■Power module: H13.6×W22.4×D44.6mm
■Weight (excluding cord): Approximately 1g
■Plug: Microphone: φ3.5mm gold-plated 3-pole mini (L-type)
■Power module: φ3.5mm gold-plated 2-pole mini (L-type)
Cord length: 1.2m
■Accessories: Windscreen, power module, 2-way holder clip,
LR44 battery (for testing), pouch

~From the manufacturer's website~
- A high-quality, ultra-compact microphone compatible with digital recording devices.
- Dual power supply: plug-in power system*1 and LR44 battery.
- 3-prong plug for use with computers.
- The 2-way holder clip allows for installation in any situation*2.
- A sturdy, stylish metal body that reduces external noise.
- The windscreen effectively reduces noise such as wind.
*1 With the plug-in power system, the microphone receives power from the microphone jack of the connected device.
*2 The clip rotates, allowing the microphone to be attached to clothing or placed on a table.
*Not compatible with some computers.