Sanken COS-11DR

COS-11DR Lavalier Microphone

The COS-11DR is an ultra-miniature omni-directional lavalier microphone, designed for direct connection to a wide range of wireless transmitters. Sharing the same capsule as the COS-11D, it delivers natural, transparent sound with high reliability. The COS-11DR is available with multiple connector options for major transmitter brands.

Other versions are also available, such as the COS-11D-HWM (HeadWorn Microphone) and the COS-11D (phantom and battery versions).
Note: The COS-11D-RM (Red Mark) Series is also available, a 9 dB attenuated low-sensitivity version designed for high SPL applications. Please contact Noyz Boyz Audio for this model.

Available connector options

• EW – for Sennheiser EW series transmitters
• TA4F – for Shure transmitters
• TA5FX – for Lectrosonics transmitters
• UWP – for Sony transmitters
• EN2 – for older Audio Ltd. transmitters
• Lemo 4-pin (miniTX) – for Audio Ltd. transmitters
• Lemo 6-pin (2020/2040/Envoy) – for Audio Ltd. transmitters

Main Features

• Ultra-miniature design (Ø 4 mm × 16.1 mm)
• Omnidirectional pickup pattern for consistent response
• Water- and sweat-resistant mesh protection
• High RFI immunity, optimized for wireless use
• Available in black, gray, beige, and white
• Standard delivery includes accessories; no-accessories option available

Specifications

• Frequency response: 50 Hz – 20 kHz
• Sensitivity: approx. 8.9 mV/Pa (–41 dB, 1 kHz)
• Self-noise: 28 dB-A
• Max. SPL (1% THD): 123 dB
• Output impedance: 700 Ω
• Power supply: depending on transmitter (typically 3–10 V)
• Cable length: approx. 3 m
• Capsule dimensions: Ø 4 mm × 16.1 mm
• Weight: approx. 10 g

Delivery with Standard Accessories

• HC-11 Holder Clip (horizontal)
• WS-11 Wind Screen
• RM-11-BE Rubber Mount Beige
• Carrying case or pouch

Other available accessories

• WSL-11 Large Metal Windscreen
• PIN-11 Holder with Safety Pin
• RM-11C Rubber Mount with holder clip (black)
• RM-11-BK Rubber Mount Black
• RM-11-BE Rubber Mount Beige
• FW-11 Foam Wind Screen (various colors)
• HC-11V Holder Clip (vertical)
• HC-11W Holder Clip (double)