For Broadcast, Film/Video & Presentation
Omnidirectional for Consistent Levels
Wired for Lectrosonics Universal TA5M
Normal Sensitivity Level
Rugged 5.9' Cable Stays Pliable
RF Shielded for Digital Wireless
Water Resistant
Small Size, Easy to Conceal
Requires 3 to 10 VDC
Includes Windscreen, Mount & Clip

Microphone
Compatible Transmitters
Lectrosonics: (Transmitter Models Unspecified)
Polar Pattern
Omnidirectional
Included Tone/Pattern Caps
No

Performance
Frequency Response
50 Hz to 20 kHz
Maximum SPL
123 dB
Sensitivity
8.9 mV/Pa
Dynamic Range
95 dB
Equivalent Noise Level
28 dB (A-Weighted)

Connectivity
Analog Output Connector
1x TA5F/Mini-XLR 5-Pin Female
Cable Length
5.9' / 1.8 m
Cable Diameter
0.1" / 2.1 mm

Power
Power Sources
Plug-In Power
Operating Voltage
3 to 10 V

Physical
Color
Beige
Environmental Resistance
Water-Resistant (Unrated)
Dimensions
ø: 4 x L: 16.1 mm
Weight
24 g (Microphone)

Accessories visible on product image are not included

What sets the Sanken COS-11D apart from other Lapel Microphones

 

Sanken Microphones is proud to be honored by the Academy of Motion Picture Arts and Sciences with a Scientific and Engineering Award for the development of its innovative, ultra-miniature lavalier microphone technology.

 

Engineered to Reduce RF Interference in Modern Wireless Environments
As wireless microphone systems continue to evolve—particularly with the adoption of digital and hybrid digital/analog transmitters—microphones must operate reliably in increasingly complex RF environments. These newer transmission technologies can introduce elevated noise levels and compromise signal-to-noise performance if the microphone is not properly engineered to withstand RF energy.

 

The Sanken COS-11D was specifically developed to address these challenges. Through close collaboration with leading wireless transmitter manufacturers, Sanken has incorporated advanced design techniques that significantly improve immunity to RF interference, helping ensure a clean, stable audio signal even in RF-dense production environments. This design approach has made the COS-11D a widely endorsed choice for use with modern wireless systems.

 

Advanced Capsule Design with Natural, Voice-Optimised Sound
At the heart of the COS-11D is Sanken’s unique vertical diaphragm design, which increases effective surface area within an ultra-compact capsule. This allows the microphone to deliver a clear, full-bodied sound that exceeds expectations for its size and is carefully tuned for natural vocal reproduction.

 

The microphone offers a wide 20 Hz–20 kHz frequency response with an impressive 95 dB dynamic range, ensuring accurate, transparent audio capture. Subtle presence shaping enhances speech clarity while maintaining a smooth, natural tonal balance ideally suited to dialogue and spoken-word applications.

 

Consistent Pickup with Omnidirectional Performance
The COS-11D employs a forgiving omnidirectional polar pattern, capturing sound evenly from all directions. This ensures stable levels and consistent frequency response, even when the subject moves or turns away from the microphone—an essential advantage in film, broadcast and live production environments.

 

Built for Real-World Production Conditions
Designed for both indoor and outdoor use, the COS-11D features a robust, water-resistant front mesh that helps protect the capsule from humidity, perspiration, makeup and adverse weather conditions. Its 2.1 mm rugged cable is engineered to resist moisture and handling noise while remaining soft, flexible and durable, even after extended wear and repeated use.

 

Wireless System Compatibility & Practical Options
This version of the COS-11D is fitted with a universal TA5F connector, making it compatible with Lectrosonics wireless transmitters operating in both servo-bias and non-servo-bias configurations. It also supports use with compatible third-party wireless systems and portable recorders supplying 3–10 VDC through a correctly wired TA5 input.

 

The COS-11D series is available in four colour options, allowing easy matching to wardrobe and skin tones for discreet on-camera placement.

 

Key Performance Highlights

Increased resistance to RF interference
Optimised for modern digital and hybrid wireless systems
Clear, natural sound tuned for the human voice
Wide 20 Hz–20 kHz frequency response with 95 dB dynamic range
Omnidirectional pickup for consistent audio capture
Durable, moisture-resistant construction
Rugged 2.1 mm cable designed for long-term professional use

Please be aware that John Barry has multiple warehouse locations in different states. 

If you wish to purchase in store, to avoid disappointment, please confirm the availability of the product at your local John Barry prior to visiting.

Alternatively, orders placed online by 2pm AEST are typically dispatched same day, if ordered online.

If your product is on backorder, please contact us for an ETA.

Shipping is done via Startrack Express or Australia Post eParcel service and tracking advice will be provided once shipped.

For more information, please visit our Shipping Policy.

John Barry Sales offers the same the warranty conditions as scheduled by the product manufacturer.

Should you have any questions regarding our equipment warranty conditions, please contact us

John Barry will happily exchange a product sold to you that does not match the description on our website, or if the product is not of an acceptable quality or condition for use.

John Barry reserves the right under Australian Consumer Law to refuse a request for an exchange or refund on all final sale items, if you have misused/mishandled the product, or if you have simply changed your mind. Please visit our Refunds & Returns policy page for further information.