
OST-801/802 Lavalier microphones have been designed to meet the most
demanding requirements in all professional audio applications. These lavalier
microphones provide high sound quality over a wide frequency range. Noise from
clothing rubbing and movement are greatly reduced. Their small sizes and a great
variety of mounting accessories make these microphones ideal for theater,
broadcast, film, TV and public address applications.
OST-801/802 - Features and Performance Specifications:
• Miniature electret condenser microphone
• Omni-Directional polar pattern
• Size : 0.45 x 0.76 x 1.37 Centimeters
• Cable: Strong, Shielded – 1.52 meter (5 feet)
• Exceptionally low sensitivity to solid borne vibration. A novel electret element
and integral preamplifier are included. Internal filter provides highly efficient
RF suppression.
• Output Impedance : 3500 Ohm
• Current Drain : 25 uA
• Supply Voltage : 1.3 V
• Frequency Response: 20 – 16000Hz
• Available in Black, White, Tan and Gray
• Large variety of accessories available
• Supports most universal connector types. Compatible with Lectrosonic, Sony,
Shure and Sennheiser wireless transmitters. All other manufacturers can also be
made with special order.



Power Supply-XLR is designed for use with our lavalier microphones. It is also
compatible with all other popular lavalier microphones. The audio output contains an
XLR 3-pin connector. It does not operate on internal battery, external phantom power
from the connected source is required.
Combo includes a microphone (pigtail), a foam windscreen, a
tieclip or a cable clip in a storage box. Power supply is optional.
Double Tie Clip
Windscreen
Single Tie Clip
Storage Box
Oscar SoundTech
OST-801
OST-802
Double Cable Clip
Single Cable Clip
Magnetic Mic Holder
Windscreens
TL-40 Features and Performance Specifications
• Miniature electret condenser microphone
• Omni-Directional polar pattern
• Size : Diameter 4mm, Length 7mm
• Frequency Response: 20 -20000 Hz
• Sensitivity : -56 dB re 1 V/μBar @ 1kHz nominal
• Vibration Sensitivity : <66 dB SPL/g
• Sensitivity to Humidity : 0.06 dB/%RH @ 1kHz
• Very low inherent noise and low current drain
• Overload Sound Level : 115 dBSPL
• Output Impedance : 4400 Ohm Nominal
• Supply Current : 14 uA Nominal
• Supply Voltage : 1.2 V Nominal
• Available in Black, White, Tan and Gray
• Supports most universal connector types. Compatible with Lectrosonic, Sony,
Shure and Sennheiser wireless transmitters. All other manufacturers can also be
made with special order.
TL-40 Frequency Response
Dracular Clip