by: Gary Feng

Tue, 30 Nov 1999 00:00:00 +0000

� Lets you record voices up to 150 feet away depending on environment and transmission conditions

� Ideal for video camcorders - captures the voices of family members on vacation, in sporting events, at recitals, birthdays and weddings

� Ideal for Pressman� portable audio recorders captures lectures and speeches, good for music and nature study

� Supplied lavalier microphone is tiny and unobtrusive, clips onto shirt or tie

� Built-in windscreen helps reduce the microphone’s pickup of wind noise

� Electret condenser microphone design for high quality and small size

� Omni-directional microphone pattern picks up sound from all directions

� Pocket-sized wireless transmitter is easy to hide, clips onto clothing for unobtrusive use

� Plug-in power for compatible Sony microphones, no need for separate mic battery

� Wireless receiver plugs into camcorder or audio recorder mic input; easily clips onto clothing, camcorder hand strap or shoulder strap

� Three transmission channels enable you to choose another channel if you encounter interference

� Monitoring earphone lets you hear what’s being recorded; plugs into wireless receiver

� Mic mixing lets the camera operator and the subject both be recorded; requires a second microphone, optional, such as the Sony ECM-T145

� Compact, lightweight design - the antennas are built into the transmitter and receiver

� 900 MHz wide FM transmission for outstanding sound quality, excellent frequency response (100 - 15,000 Hz) and extended dynamic range (more than 78 dB)

� Switchable transmission channel lets you choose the channel with clear, noise-free sound

� SYSTEM

� Range up to 150 feet, depending on environment and transmission conditions, including obstructions and other RF sources

� RF Power 94 dB� V/m at 3 m, complies with the Federal Communications Commission (FCC) Part 15

� Carrier Frequency 912 - 915MHz; Channel 1: 912.900MHz; Channel 2: 913.800MHz; Channel 3: 914.400 MHz

� Modulation: FM

� Frequency Response: 100 - 15,000Hz

� Dynamic Range: More than 78dB

� Output Level: -55.2, �4 dBm (0 dBm = 1 mW/Pa, 1,000Hz)

� Output Impedance: 1 kohm

� TRANSMITTER

� Microphone Directivity Omni-Directional

� Maximum Sound Pressure Level more than 114dB SPL

� Microphone Cord Length Approx. 39″ (1 meter)

� Oscillator Crystal Controlled

� Signal Processing Compressor

� Antenna: Built-in

� Power Requirements: DC 1.5V, requires AA battery (not supplied)

� Battery Life: Approximately 20 hours with Sony Alkaline battery

� Mic Input: Stereo minijack with plug-in power

� RECEIVER

� Oscillator SAW resonator

� Signal Processing Expander

� Monitor Output Level: Approx. 2 mW, 16 ohms

� Earphone Jack: Monaural mini plug

� Mix Mixing Jack: Monaural mini plug

� Output Cord Length: Approx. 18″ (450mm)

� Output Plug: Monaural miniplug

� Earphone Cord Length: Approx. 18″ (45cm)

� Dimensions(WxHxD): 2 3/8 x 2 3/4 x 7/8″ (60 x 70 x 22.5mm)

� Weight: Approx. 3.1 oz (88g) including batteries

Comments on: Sony’s WCS-999 Wireless Microphone

by: Gary Feng